Biology Support & Movement Chapter 2 Year Online MCQs Test

Biology
Support and Movement
Chapter No. 2
Second Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

MCQ’s GRADE 12 – BIOLOGY CHAPTER NO. 02 Support and Movement

Book Name : Biology
Chapter No. 02
Chapter Name : SUPPORT AND MOVEMENT
Total MCQ from Text Book : 341
Book Version : 2022
Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Board of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade : 12th ( F.Sc. Intermediate)
Total Marks : 341
Total Time : 170 minutes

GRADE 12 - BIOLOGY CHAPTER NO.2 SUPPORT & MOVEMENTS

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GRADE 12 - BIOLOGY CHAPTER NO.2 SUPPORT & MOVEMENTS

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Question 1

Earthworm shows accordion-like movement, in which are involved:

A	setae & muscles
B	cilia
C	muscles
D	setae

Question 2

Which of the following is a bone of axial skeleton: (Lhr 2016 Group Hip

A	Humerus
B	Tibia
C	Rib
D	Femur

Question 3

The bone dissolving cells are called (Mirpur 12)

A	Osteoclast
B	Osteocytes
C	Stem cell
D	Osteoblast

Question 4

Humerus, Radius and ulna are the bones of:

A	Neck
B	Skull
C	Hind limb
D	Fore limb

Question 5

The growth movements of plant organs which are induced by external stimuli are called;

A	Nastic
B	Paratonic
C	Turgor
D	Tropic

Question 6

Starfish moves with the help of:

A	foot
B	arms
C	tube feet
D	legs

Question 7

Which of the following muscle fibre contains single nucleus: (MB-2007)

A	Skeletal muscle
B	Sniooth muscle
C	Cardiac muscle
D	ALL

Question 8

In myosin myofilament, How many light chains are present

A	2
B	8
C	6
D	4

Question 9

The movement of sperms of liverworts ,mosses & ferns towards the archegonia

A	hydrotropic
B	chemotropic
C	chemotactic
D	chemonastic

Question 10

The joints between vertebrate is of which type

A	Fibrous joint
B	Synovial joint
C	Cartilaginous joint
D	None of these

Question 11

The radius and ulna at their distal end form multistage joint with eight wrist bones called: .

A	tarsals
B	radioulna
C	carpalS
D	wristles

Question 12

Spontaneous movements due to internal causes are:

A	autonomic
B	taxis
C	tactic
D	paratonic

Question 13

Fibroblasts and osteoblasts migrate into the fracture site and begin to construct:

A	muscle
B	bone
C	cartilage
D	joint

Question 14

Pelvic girdle attaches the hind limb to the:

A	chest
B	shoulder
C	trunk
D	vertebral column

Question 15

Which type of cells have underdeveloped sarcoplasmic reticulum for Ca++

A	Skeletal muscles
B	Smooth muscles
C	Cardiac muscles
D	Striated muscles

Question 16

Femur forms which of the following join with tibia and fibula at its distal end.

A	Knee joint
B	Hip joint
C	Shoulder joint
D	Back joint

Question 17

Energy for muscle contraction comes from

A	ATP produced during aerobic respiration
B	By lactic acid produced (During anaerobic respiration)
C	By creatin phosphate
D	All the above resources

Question 18

The epicuticle is the outermost layer of:

A	hydrostatic skeleton
B	exoskeleton
C	endoskeleton
D	hydrodynamic skeleton

Question 19

There are five vertebrae in:

A	cervical region
B	trunk
C	lumbar region
D	coccyx

Question 20

The movement of part of plant in response to stimulus of light

A	Gibberalin and abscisic
B	Cytokines and gibberalin
C	Auxins and cytokines
D	Abscisic and auxins

Question 21

The sleep movements of plants fall under the category of: (Mtn 2016)

A	Tactic
B	Tropic
C	Turgor
D	Growth

Question 22

The H-zone of A band is bisected by dark line called:

A	N line
B	K - line
C	L - line
D	M - line

Question 23

The process of shedding exoskeleton periodically and its replacement with one of the larger size in arthropods is called

A	Ecdysis
B	Metamorphosis
C	All these
D	Bolting

Question 24

The skeleton that lies internally to the muscles is called:

A	hydrostatic skeleton
B	hydroskeleton
C	endoskeleton
D	exoskeleton

Question 25

The movement of elbow joint by biceps and triceps is the best example of:

A	thigmotropism
B	antipathy
C	resentment
D	antagonism

Question 26

Some protozoans have a shell around their body is example of

A	Endoskeleton
B	exoskeleton
C	Hydraulic skeleton
D	Calcified

Question 27

Cardiac muscles are the muscles of the: (Rwp 2013)

A	Liver
B	Stomach
C	Kidney
D	Heart

Question 28

The joints of skull bones are called

A	Skull joints
B	Satures
C	Sutures
D	Cranial joints

Question 29

Pectoral. girdles consist of cartilaginous bones:

A	pre-coracoid
B	ALL
C	coracoid
D	scapula

Question 30

In thoracic region, number of vertebrae is: (Fsd 2015)

A	15
B	4
C	5
D	12

Question 31

The bulb of exoskeleton is below the epicuticle and is called the:

A	mesocuticle
B	precuticle
C	procuticle
D	metacuticle

Question 32

The skeletal muscles are consciously controlled and therefore are called

A	involuntary muscles
B	retlex muscles
C	deliberate muscles
D	voluntary muscles

Question 33

Involuntary muscles are controlled by

A	None of these
B	Hormones and Autonomic nervous system
C	CNS
D	Enzymes

Question 34

At rest about how much lactic acid is broken aerobically and its energy is used to change remaining lactic acid into glucose.

A	1/5
B	3/5
C	1/2
D	4/5

Question 35

Which of the following cells have angular thickening in their primary walls: (Bwp 2015, Lhr 2016 Group I)

A	Fibers
B	Sclerenchyma
C	Collenchyma
D	Vessels

Question 36

A mass of clotted blood that forms at the'fracture site is called

A	haematoma
B	callus
C	haemoglobin
D	haemahuma

Question 37

The sacrum is formed by fusion of five

A	Anterior vertebrae
B	Posterior vertebrate
C	Medial body of vertebrate
D	Spinal arch

Question 38

Which of the following animal has hydrostatic skeleton (Rwp 2015)

A	An insect
B	Fish
C	Sea anemone
D	Man

Question 39

The majority of muscle tissue in human body is:

A	none
B	skeletal muscle
C	smooth muscle
D	cardiac muscle

Question 40

The skeleton found in sea-anemone is:

A	exoskeleton & endoskeleton
B	hydrostatic skeleton
C	exoskeleton
D	endoskeleton

Question 41

Rickets is due to deficiency of vitamin (Sgd 2015)

A	E
B	D
C	C
D	A

Question 42

The best example of positive tactic movement is the passive movement'of chioroplast due to:

A	cyclone
B	pyrosis
C	cyclosis
D	chlorosis

Question 43

An inflammatory or degenerative disease that damage joint is: (Mirpur 13)

A	Anthrax
B	Hepatitis
C	Arthritis
D	Meningitis

Question 44

Bone to bone attachment is by:

A	tendon
B	ligament
C	nerve
D	sinew

Question 45

The energy requires to conversion ATP to ADP at each cross bridge supplied by:

A	Excretion
B	Protein synthesis
C	Muscular relaxation
D	Muscular contraction

Question 46

The part of exoskeleton composed of chitin, tough, leathery polysaccharide and several kinds of proteins is

A	Ectoderm
B	Epicuticle
C	Cuticle
D	Procuticle

Question 47

The movement in response to stimulus of chemicals is called:

A	phototactic movements
B	kineses
C	taxis
D	chemotactic movements

Question 48

The vertebrates possess:

A	all
B	cardiac muscles
C	Smooth muscles
D	skeletal muscles

Question 49

Bipedal locomotion freed the front appendages, which become adapted for:

A	none
B	prey capture
C	prey capture & flight
D	flight

Question 50

The thick myofilament which is about 16 mm in diameter is composed of:

A	troponin
B	insulin
C	myosin
D	actin

Question 51

The cardiac muscles are:

A	striated & voluntary
B	non-stripped & voluntary
C	striated & involuntary
D	non:stripped & involuntary

Question 52

Collenchyma cells have protoplasts and usually lack:

A	primary walls
B	secondary walls
C	cell membrane
D	chlorophyll

Question 53

The skeleton comprising of pectoral girdle and fore limbs and pelvic girdle and hind limbs is

A	Appendicular skeleton
B	Vertebral skeleton
C	Girdular skeleten
D	Axial skeleton

Question 54

Pectoral girdle attaches the arms to the:

A	head
B	trunk
C	neck
D	hip

Question 55

At the distal end the femur forms knee joint with the proximal end of two parallel bones called:

A	carpals & metacarpals
B	radius & ulna
C	tibia & fibula
D	tarsal & metatarsal

Question 56

Mature bone cells are called as: (Swl 2015)

A	Osteoclasts
B	Chondrocytes
C	Osteoblasts
D	Osteocytes

Question 57

The mode of locomotion in cockroach is swift:

A	running
B	jumping
C	crawling
D	walking

Question 58

The axial skeleton includes the:

A	skull
B	ribs & sternum
C	all
D	vertebrae

Question 59

Opening and closing of flowers due to light intensity is termed

A	Photonasty
B	Thermonasty
C	Haptonasty
D	Phototropic

Question 60

Cardiac muscles are muscles of the:

A	stomach
B	liver
C
D

Question 61

In crustaceans, the procuticle is sometimes called:

A	endocuticle
B	precuticle
C	mesocuticle
D	exocuticle

Question 62

The disease caused by low calcium in the blood:

A	muscle fatigue
B	cramp
C	tetany
D	titanic

Question 63

A state of physiological inability to contract is called:

A	muscle fatigue
B	tetany
C	Muscle stiff
D	cramp

Question 64

Secondary growth occurs due to cell division in;

A	Photonastic
B	Phototactic
C	All of these
D	Phototropic

Question 65

In Plantigrade mode of locomotion, the mammals used to walk on their:

A	digits
B	soles
C	tips of toes
D	belly

Question 66

Euglena moves with the help of:

A	flagellum
B	pseudopodium
C	myonemes
D	cilium

Question 67

Haptonastic movements occur in response to: (Bwp 2015)

A	Water
B	Temperature
C	Chemical
D	Contact

Question 68

The collenchymatous cells are highly lignified and are found in the;

A	It is for tropic movements
B	It is for rapid leaflet movements
C	It has large intercellular space
D	It is part of petiole

Question 69

The movement in response to photoperiod is called:

A	photonasty
B	photo-response
C	photoperiodism
D	phototropism

Question 70

A disease in children that results in weight bearing bones of legs and deformed pelvis caused by deficiency of calcium in diet is

A	Osteoprosis
B	Rickets
C	Osteomalcia
D	Oteoarthristis

Question 71

Osteoblasts and osteoclasts continue to migrate inward, multiply rapidly and gradually convert the soft callus into:

A	jolly callus
B	stony callus
C	hard callus
D	bony callus

Question 72

All the fibres innervated by a single motor neuron are a:

A	neuro-unit
B	motor box
C	motor unit
D	motorola

Question 73

A glenoid fosse serves as a point of articulation of:

A	girdle & hind limb
B	girdle & fore limb
C	neck
D	(girdle & fore limb) & (girdle & hind limb)

Question 74

In Jelly fish movement take place by a process knowing as

A	Suction
B	Propulsion
C	Jet propulsion
D	Pumping

Question 75

The type of nastic movement, which occurs in response to contacts called: (Swl 2015)

A	Thermonasty
B	Nyctinasty
C	Haptonastic
D	Photonasty

Question 76

Generally each end of entire muscle is attached to bone by a bundle of collagen, non-elastic fibres known as:

A	tendons
B	none
C	ligaments
D	ligaments & tendons

Question 77

Synovial fluid acts as a

A	Alkaline fluid
B	None of these
C	Buffer fluid
D	Buffer fluid & Alkaline fluid

Question 78

Arthritis covers over 100 different types of inflammatory or degenerative diseases that damage the:

A	legs
B	arms
C	sutures
D	joints

Question 79

Each muscle fibre contains a large number of myofibrils having a diameter of:

A	1 - 5 mm
B	2 - 4 mm
C	1 - 2 mm
D	3 - 7 mm

Question 80

Osteomalcia includes a number of disorders in which the bones receive inadequate:

A	gases
B	blood
C	water
D	minerals

Question 81

Compact bone is dense and strong and provides an attachment site for:

A	skin
B	nerve
C	ligament
D	muscle

Question 82

The skeleton is tough and rigid framework of the body of animals which provides:

A	shape
B	protection
C	all
D	support

Question 83

The pulvinus is the-place of attachement of leaf with the:

A	trunk
B	root
C	shoot
D	stump

Question 84

Which one of following has fixed attachment?

A	Tendon
B	Insertion
C	Origin
D	All of these

Question 85

In animals that lack a hard skeleton, a fluid filled gastrovascular cavity or coelom can act as:

A	exoskeleton
B	hydrostatic skeleton
C	endoskeleton
D	hydrodynamic skeleton

Question 86

Five out of nine. (5/9) double fibrils of cilia contract or slide simultaneously, cilia bend or shorten. It is called:

A	recovery stroke
B	recovery stroke & progressive stroke
C	progressive stroke
D	effective stroke

Question 87

Digitigrade r iammals tend to walk on their:

A	None
B	digits
C	tips of toes
D	soles

Question 88

Elbow joint is of what variety

A	Synovial
B	Condylar
C	Ball and socket
D	Pivot

Question 89

Which is called beauty bone in woman?

A	(a) Sternum
B	Clavicle
C	Maxilla
D	Pelvis

Question 90

The no. of antagonistic muscles is

A	700
B	350
C	650
D	1300

Question 91

Skull is made up:

A	cranium & facial bones
B	cranium
C	cervical region
D	facial bones

Question 92

The supracoracoid muscles provide power for the: (Bwp 12, Lhr 15 G - I)

A	Downward stroke
B	Neutral stroke
C	Upward stroke
D	Recovery stroke

Question 93

For antagonism which is true

A	When one relaxes others contraction is going on
B	Both muscles move bone in same direction
C	Both may be present on one bone
D	One contracts when others contraction ends

Question 94

It is believed that during phototropism?

A	Auxin is unequally distributed
B	All of these
C	Auxin enlarges the cells unequally
D	bend is caused towards source of light

Question 95

The cranium consists of eight bones, 4 unpaired and 2 paired which protect the:

A	kidney
B	liver
C	brain
D	stomach

Question 96

In transverse section of cillia, no. of myofibrils

A	11
B	9
C	12
D	10

Question 97

Positive gravitropism of root is due to (D.G.Khan 2015 Group II)

A	Ethene
B	Gibberellin
C	Abscisic acid
D	Auxin

Question 98

The movement in curvature of whole organ towards or away from stimuli such as light, gravity and touch is:

A	turgor movement
B	tropic Movement
C	tactic movement
D	nastic movement

Question 99

Detachment of myosin head and actin in rigor mortis occurs due to

A	Hyperactivity of mitochondria
B	Hypercalcemia
C	Stored ATP in body
D	Autolysis in body

Question 100

Spindle shaped with centrally located nucleus are

A	Cardiac muscle
B	Unstriated muscle
C	Connective tissue
D	Smooth muscle

Question 101

The collenchyma cells have protoplast and usually lack: (Lhr 2015 Group II)

A	Secondary wall
B	Primary wall
C	Middle lamella
D	Vacuole

Question 102

Chronic arthritis includes:

A	ALL
B	gouty arthritis
C	osteoarthritis
D	rheumatoid arthritis

Question 103

Tetanus is caused by:

A	Fungi
B	Virus
C	Bacteria
D	Protists

Question 104

Muscle fatigue is caused by (Rwp 2015)

A	Lacyic acid
B	CO2
C	Fumaric acid
D	Ethyl alcohols

Question 105

The mammals who walk on the tips of the toes, modified into hooves are termed as (D.G.Khan 12)

A	Brachigrade
B	Unguligrade
C	Digitigrade
D	Plantigradre

Question 106

For locomotion, the reptiles use method of:

A	hopping
B	walking & running
C	running
D	walking

Question 107

The exoskeleton of arthropods is mainly composed of:

A	lignin
B	cutin
C	suberin
D	CHITIN

Question 108

The diameter of cilia ranges from (Sgd 2015)

A	0.1 to 0.5 mm
B	0.3 to 0.8 mm
C	0.3 to 0.8 t
D	0.1 to 0.5 g

Question 109

The condition in which an individual has small skull is termed as:(Grw 201

A	mircrocephaly
B	diabetes
C	harelip
D	epilepsy

Question 110

The vertebral column of human consists of vertebrae:

A	32
B	31
C	34
D	33

Question 111

The living cells of cartilage are called

A	Osteoclasts
B	Chondrocytes
C	Osteoblasts
D	Osteocytes

Question 112

Which one of following has less developed sarocoplasmic reticulum

A	Cardiac muscles
B	Skeletal muscles
C	Smooth muscles
D	None of these

Question 113

Action of the Venus fly trap is . (Grw 2014)

A	nyctinasty
B	haptonasty
C	thermonasty
D	photonasty

Question 114

Epinasty is shown by:

A	Leaves & petals
B	buds
C	Leaves
D	petals

Question 115

A condition in which palatine processes of maxilla and palatine fail to fuse is:

A	cleft palate
B	myxedema
C	microcephally
D	cretinism

Question 116

Which of the following hormones plays major role in phototropism?

A	Abcissic acid
B	None of these
C	Auxin
D	Gibberellin

Question 117

Thigmotropism is the movement in response to stimulus of:

A	water
B	light
C	chemicals
D	touch

Question 118

Movements in plants are:

A	Autonomic Movements
B	Paratonic Movements
C	Autonomic Movements & Paratonic Movements
D	tactic movements

Question 119

In animals support is provided by:

A	ALL
B	cartilage
C	bones
D	muscles

Question 120

Haptonasty is because of

A	Ethylene
B	Gibberellins
C	Abcissic acid
D	Auxins

Question 121

The thousands of T-tubules of each muscle cell are collectively called:

A	T - system
B	2 Ts
C	T - group
D	T - bundle

Question 122

The shells of molluscs is mainly composed of:

A	calcium phosphate
B	calcium chlorides
C	calcium sulphate
D	calcium carbonate

Question 123

Healing time for a bone is:

A	8-12 months
B	8-12 years
C	8-12 weeks
D	8-12 days

Question 124

In old trees, the active conducting portion of the wood is called: (Grw 2013, 2017)

A	cork
B	sap wood
C	cedar wood
D	heart wood

Question 125

The word tropic is derived from Greek word Tropos meaning:

A	turn
B	churn
C	swirl
D	twirl

Question 126

Thick filament in myofibril is made up.of: (Grw 2016)

A	myosin
B	actin
C	tropomyosin
D	troponin

Question 127

Sensory receptors called sensilla are in the form of:

A	Bristles & lenses
B	Bristles
C	lenses
D	spines

Question 128

This type of wood is most resistant to decay and insect attack: (Fsd 13)

A	Sapwood
B	Heart wood
C	Callus
D	Hard wood

Question 129

The first two cervical vertebrae are:

A	lumbar & coccyx
B	Atlas & Axis
C	lumbar & sacrum
D	Atlas & sacrum

Question 130

Any smooth surface which moves through the air at an angle to the air-stream is:

A	curvature
B	tailplane
C	curvature & tailplane
D	aerofoil

Question 131

Turgor pressure is generated by high osmotic pressure of the cell (Bwp 2017, Swl 2016)

A	cytoplasm
B	vacuole
C	chloroplast
D	mitochondria

Question 132

The scale, iatous cells which are found in seed coats & nut shells are

A	Thigmotropism
B	Phototropism
C	Chemotropism
D	Geotropism

Question 133

Amphibians wriggle along the belly on the ground, with the help of segmentally arranged:

A	scales
B	muscles
C	muscles & scales
D	skin patches

Question 134

In adults, the no. of vertebrae is

A	33
B	25
C	30
D	26

Question 135

The five vertebrae of the lower region of the back of man are known as the;

A	Cervical vertebrae
B	Caudal vertebrae
C	Sacral vertebrae
D	Lumbar vertebrae

Question 136

The type of movement involved in the opening of buds is:

A	nutation
B	hyponasty
C	nyctinasty
D	epinasty

Question 137

Which of the following cells are associated with bones?

A	ALL
B	Osteoblasts
C	Osteoclasts
D	Osteocytes

Question 138

The sarcolemma of muscle fibre cell penetrates deep into the cell to form hollow elongated tube, the

A	T-tubule
B	tube feet
C	transverse tubule & T-tubule
D	transverse tubule

Question 139

The vas ibium lies between

A	Cortex
B	Xylem
C	Epidermis
D	Pith

Question 140

Animals that lack a hard skeleton, a fluid filled gastro vascular Cavity or coelom can act as

A	Endoskeleton
B	All of these
C	Hydrostatic skeleton
D	Exoskeleton

Question 141

Which is the end of muscle which remains fixed when the muscle contracts? (Grw 2015)

A	belly
B	tendon
C	insertion
D	origin

Question 142

In earthworm, which muscles produce elongation of body and shortening respectively?

A	Longitudinal
B	None of these
C	Circular and Longitudinal
D	Circular muscles

Question 143

The number of lumbar vertebrae are: (Mirpur Kashmir 2015)

A	5
B	12
C	7
D	33

Question 144

The vertebral column consists of vertebrae:

A	44
B	33
C	22
D	55

Question 145

The clavicle connects scapula with; (Mirpur Kashmir 2016)

A	Tibia
B	Sternum
C	Femur
D	Skull

Question 146

The tetrapod limb.is primitively:

A	hexadactyle
B	heptadactyle
C	tetradactyle
D	pentadactyle

Question 147

Hydrostatic skeleton is found in:

A	ALL
B	annelids
C	soft-bodied invertebrates
D	cnidarians

Question 148

Fibrous Joints are held together by short fibres embedded in:

A	none
B	fibrous tissue
C	connective tissue.
D	elastic tissue

Question 149

Which animal has long narrow wings:

A	Gull
B	Eagle
C	Crow
D	Owl

Question 150

It has been observed that epinasty is due to:

A	cytokinins
B	gibberellins
C	abscisic acid
D	auxins

Question 151

The collenchymatous cells in plants give support to the:

A	adult plants
B	baby plants
C	juvenile plants
D	young plants

Question 152

The first cervical vertebra is

A	Axis
B	Coccyx
C	Atlas
D	Sacrum

Question 153

Lactic acid accumulation causes muscle:

A	fatigue
B	cramp
C	tetany
D	ALL

Question 154

Which is not unguligrade:

A	deer
B	bear
C	goat
D	horse

Question 155

A mass of clotted blood formed at the fracture site is

A	Osteosis
B	Callus
C	haematoma
D	Fibrosis

Question 156

The membrane that bounds vacuole is called (Mtn 2015, D.G.Khan 2016 Group I)

A	Leucoplast
B	Tonoplast
C	Protoplast
D	Chloroplast

Question 157

Femur is the proximal bone which, with the hipbone, forms a:

A	hip joint
B	hinge joint
C	(hip joint) & (ball & socket joint)
D	ball & socket joint

Question 158

The inactive non-conducting wood is called:

A	heartwood
B	sapwood
C	soft wood
D	hard wood

Question 159

On or over the wound, the cambium forms:

A	callus & wood tissue
B	wood tissue
C	callus
D	gall

Question 160

The lower two pairs of ribs are called

A	False Ribs
B	ALL
C	Free ribs
D	Floating ribs

Question 161

Bone to bone attachement is by: (Lhr 2013 G II)

A	Nerves
B	Muscles
C	Tendon
D	Ligament

Question 162

The myofibrils consist of smaller contractile units called:

A	blastomere
B	mvomere
C	gastromere
D	sarcomere

Question 163

The movement in response to stimulus of touch i-e climbing Vines is called: (D. G. Khan 12, Bwp 2016)

A	Hydrotropism
B	Geotropism
C	Thigmotropism
D	Phototropism

Question 164

Number of cervical vertebrae in a male camel (Mammal): (Lhr 2013 G II)

A	No definite number
B	11
C	7
D	Varied with the size of neck

Question 165

The brachioradlalls uplifts

A	Radius & Ulna
B	Ulna
C	Radius
D	None of these

Question 166

Photdtropism is the movement of part of plant in response to

A	contact
B	wind
C	light
D	water

Question 167

Humerus forms ball and socket joint with:

A	coracoid
B	hip bone
C	clavicle
D	scapula

Question 168

Which has greater bones in number

A	Pelvic girdle & Pectoral girdle
B	None of these
C	Pelvic girdle
D	Pectoral girdle

Question 169

There are 650 muscles in human body; most of which occurs in:

A	pairs
B	bundleS
C	triplets
D	quadruplets

Question 170

In earth worm for movement two types of muscles present i.e.

A	Longitudinal and transverse
B	Circular and triangular
C	Transverse and circulatory
D	Longitudinal and circular

Question 171

In cockroach locomotion, which one of the leg pair acts as prop:

A	All of these
B	Middle leg
C	Hindlegs
D	Forelegs

Question 172

Which is not unguligrade? (Rwp 2013)

A	Deer
B	Goat
C	Bear
D	Horse

Question 173

In man the number of facial bones is:

A	14
B	10
C	20
D	16

Question 174

Each myosin filament is surrounded by actin filaments:

A	three
B	twelve
C	six
D	nine

Question 175

In Amoeba, movement takes place by means of:

A	flagellum
B	cilium
C	myonemes
D	pseudopodium

Question 176

Muscle fatigue is caused by the accumulation of: (GB-2007, 06; MB-06)

A	Fumaric acid
B	CO2
C	Lactic acid
D	Ethyl alcohol

Question 177

Which is not true for auxins?

A	trachieds
B	sclereides
C	fibers
D	Vessels

Question 178

Skeletal muscle fibres have a diameter of:

A	10 - 100 pm
B	1 - 10 pm
C	20 - 200 p.m
D	10 - 50 pm

Question 179

The movement in.response to some chemicals is called:

A	phtotropism
B	thigmotropism
C	hydrotropism
D	chemotropism

Question 180

The movement due to differential changes in turgor and size of cells as a result of gain or loss of water is:

A	nastic movement
B	turgor movement
C	tropic Movement
D	tactic movement

Question 181

Brachialis and biceps are

A	Synergists
B	Antagonists & Synergists
C	Antagonists
D	None of these

Question 182

Each intervertebral disc is a cushion - like pad composed of:

A	nucleus pulposus & annulus fibrosus
B	nucleus pulposus
C	stomium globosus
D	annulus fibrosus

Question 183

Lifting action is due to

A	Supra coracoid muscles
B	Pectoral ligaments
C	Pectoral muscles
D	Supra coracoid tendon

Question 184

One of the following forms external pinnae of ears and epiglottis

A	Hyaline cartilage
B	Fibro cartilage
C	Compact cartilage
D	Spongy cartilage

Question 185

Sclerenchyma has thick secondary cell walls usually impregnated with

A	chitin
B	silica
C	lignin
D	pectin

Question 186

The living cells of cartilage are called: (LB-2006)

A	cnidocytes
B	blastocytes
C	nematocytes
D	chondrocytes

Question 187

In cardiac muscles the striations are due to

A	Intercalated disc
B	Myosine chains
C	Actin myofilament
D	All of these

Question 188

The cell walls of selerenchymatous cells are usually impregnated with (Mir Supp 13)

A	Silica
B	Pectin
C	Suberin
D	Lignin

Question 189

Paramecium moves with the help of:

A	cilia
B	pseudopodia
C	gliding
D	flagella

Question 190

The light band called I band is:

A	anisotropic
B	isotropic
C	isotropic & non-polarizing
D	non-polarizing

Question 191

Skeleton muscles are also called striped or striated muscle because they show alternate light and dark bands e.g.

A	triceps
B	biceps
C	pentaceps
D	triceps & biceps

Question 192

In most terrestrial plants, the major mechanical stress is imposed by

A	Wind kci
B	Turgor pressure
C	Gravity
D	Ascending water

Question 193

Snails and mussels are mollusks, which crawl or move very slowly by

A	hooks
B	tube feet
C	foot
D	suckers

Question 194

Bundle caps in sunflower stem, are formed by: (Lhr 2016 Group II)

A	Mesenchyma
B	Sclerenchyma
C	Parenchyma
D	Collenchyma

Question 195

Plantigrade mode of locomotion is observed in: (Fsd 2015)

A	Monkey
B	Goat
C	Rodents
D	Rabbit

Question 196

Twisting around the actin chains are two strands of another protein:

A	tropoactin
B	troponin
C	tropokeratin
D	tropomyosin

Question 197

Myosin act both, as structural element and as

A	An enzyme
B	Hormone
C	Functional unit
D	All of these

Question 198

Skeletal muscles are called striated (striped) because of the presence of

A	red and yellow bands
B	alternating dark and light bands
C	Dark and light bands
D	white and yellow bands

Question 199

The mouth of snail have gland which secretes

A	Slime
B	Stingy
C	Saltish
D	Sweet

Question 200

The skeletal muscles are attached with the bones through the (Mir Supp 3)

A	Tendons
B	Myofibrils
C	Ligaments
D	Sareolemma

Question 201

Oestrogen replacement therapy (ERT) offers the best protection against osteoporotic bone:

A	separation
B	fractures
C	growths
D	attachments

Question 202

Which one of the following is contractile in nature

A	Nervous tissue
B	Muscle tissue
C	Connective tissue
D	All of above

Question 203

The living cells of the epidermis, cortex and pith of the plant stem take in water by;

A	Plasmolysis
B	Diffusion
C	Osmosis
D	Imbibitions

Question 204

The-endoskeleton is primarily made up of two types of tissues:-

A	elastic & non-elastic
B	bones & cartilage
C	bones &elastic
D	connective & cartilage

Question 205

The problem in which contraction of entire muscle taks place and it lasts for just a few seconds to several hours is: (Lhr 2013 G I)

A	Muscle fatigue
B	Tetanus
C	Tentany
D	Cramp

Question 206

In tetany which responsible for twitching

A	Hypercalclmia
B	Hypo nateremia
C	Hypocalcemia
D	Hyperkalemia

Question 207

The process of moulting is controlled by the nervous system and a hormone called: (Mtn 2015)

A	Ecdysone
B	Aldosteron
C	Androgen
D	Oxytocin

Question 208

Ball & Socket joints allow the movement in:

A	two directions
B	one direction
C	four directions
D	several directions

Question 209

The most swift type of locomotion

A	Unguligrade
B	Digitigrade
C	Brachiates
D	Plantigrade

Question 210

The non-directional movements of parts of plant in response to external stimuli are:

A	Taxis
B	Nastic movements
C	Tactic movements
D	Kineses

Question 211

?AGres of velocity in euglena is generated by flagella in

A	Spiral fashion
B	Parallel fashion
C	Antiparallet fashion
D	Perpendicular fashion

Question 212

In the adult plants, the supporting cells are the;

A	Collenchymatous cells
B	Parenchymatous cells
C	Sclerenchymatous cells
D	None of these

Question 213

Humerus forms which of the following joint with scapula

A	Immovable joint
B	Hinge joint
C	Multistage joint
D	Ball and socket joint

Question 214

The word tropic is derived from Greek word "Tropos" meaning (D.G.Khan 2015 Group I)

A	Growth
B	Turn
C	Sticky
D	Attractive

Question 215

In microcephaly the individuals are born with small:

A	Skull
B	Hands
C	Legs
D	Eyes

Question 216

Which one is strongest bone of face?

A	Palatine
B	Maxilla
C	Mandible
D	Sphenoid

Question 217

Which one of the followings is not an unpaired bone:

A	Sphenoid
B	Nasal
C	Mandible
D	Vomer

Question 218

Which is supplied by somatic nervous system

A	Smooth muscles
B	Cardiac muscles
C	Skeletal muscles
D	Striated muscles

Question 219

Which one of following is non-directional plant movement?

A	Cell vacuoles
B	Cell cytosol
C	None of these
D	Cell cytosol & Cell vacuoles

Question 220

Which pair of vertebrate are equal in

A	Sacrum and lumbar
B	Cervical & Coccyx
C	Coryx and Saceral
D	Cervical and lumbar

Question 221

Sacrum is formed by the fusion of anterior five vertebrae present in the

A	trunk
B	neck
C	pectoral region
D	pelvic region

Question 222

Thin myofilaments are 7-8 mm thick and composed of chiefly:

A	keratin
B	myosin
C	troponin
D	actin

Question 223

Which is true for movement axis to direction of movement?

A	Axis is antiparallel to movement direction
B	Axis is perpendicular to movement direction
C	Axis is parallel to movement direction

Question 224

Smooth muscles are long and spindle shaped with each containing:

A	single nucleus
B	polynuclei
C	three nuclei
D	two nuclei

Question 225

Vertebral column extends from skull to the pelvis to form backbone,which protects the:

A	Stomochord
B	spinal cord
C	notechord
D	hemichord

Question 226

Muscle cramp is characterized due to

A	Dehydration
B	All of these
C	Hypoglycemia
D	Electrolyte deficiency

Question 227

The ribs of snakes have muscular connections to large belly scales to aid:

A	respiration
B	protection
C	digging
D	locomotion

Question 228

The cell in plants that provides support is

A	Parenchyma
B	Collenchynma
C	Sclerenchyma
D	Collenchynma & Sclerenchyma

Question 229

In amphibians and reptiles legs emerge from

A	Sides of body
B	Anterior of body
C	Posterior of body
D	Middle of body

Question 230

Rib Cage is composed of twelve pairs of ribs that articulate with the

A	sacral vertebrae
B	lumbar vertebrae
C	cervical vertebrae
D	thoracic vertebrae

Question 231

Generally, each end of the entire muscle is attacked to bone by bundle of collagen, non elastic fibres known as:

A	Origin
B	Tendon
C	Ligament
D	Brachialis

Question 232

An inflammatory or degenerative disease that.damage joints is:

A	meningitis
B	hepatitis
C	Arthritis
D	Anthrax

Question 233

The type of muscles which have free ion pores between adjacent cells

A	Smooth muscles
B	Skeletal muscles
C	Cardiac muscles
D	all

Question 234

The movement of leaves of bean plant in the evening is considered as:

A	phototactic movement
B	epinasty
C	rapid movement of leaflets
D	sleep movement

Question 235

The fluctuations of light and temperature induce nastic movements in many leaves and;

A	Branches
B	Stem
C	Roots
D	Flowers

Question 236

The thoracic region has thoracic vertebrae:

A	11
B	7
C	4
D	5

Question 237

The diameter of cilia varies from:

A	0.5 to 0.15
B	0.3 to 0.8
C	0.1 to 0.5
D	0.1 to 0.7

Question 238

The movement in animals requires which of the following properties

A	Propulsion
B	All
C	Support
D	Stability

Question 239

Which one of following contain tropo myosin

A	I-band
B	Actin filaments
C	Myosin filaments
D	z-lines

Question 240

How many pairs of ribs make the rib cage?

A	Thirty three
B	Eight
C	Ten
D	Twelve

Question 241

Which is true for spondolysis

A	It is caused by fussion of vertebrae
B	It is caused by fussion of vertebrae & It results in immobility
C	It may damage nerves
D	It results in immobility

Question 242

Collenchyma is with heavily lignified cells in: (MB-2007)

A	Phloem tissue
B	Cortex tissue
C	ALL
D	Xylem tissue

Question 243

The joint that allows the movements in two directions is called: (Rwp 2016,

A	Synovial joints
B	Hinge joints
C	Cartilaginous joints
D	Ball and socket joints

Question 244

Which bone provides attachment site for muscles

A	Spongy bone
B	Soft bone
C	Cartilage
D	Compact bone

Question 245

When muscle a fibre contracts which of the following events takes place

A	All of these
B	Thin and thick filaments undergo shifting
C	Z - line gets closer
D	I-band reduces in length

Question 246

Muscle fatigue is caused by

A	Aerobic condition
B	Anaerobic condition
C	Lactic acid accumulation
D	ALL

Question 247

These muscle cells contain numerous filaments of special proteins:

A	actin & myosin
B	actin
C	lignin
D	myosin

Question 248

Buoyancy in the water is maintained by a specialized structure in bony fish called:

A	fins
B	fail
C	swim bladder
D	fins & fail

Question 249

When little or no support can be gained from upward air currents,the same effect can be achieved by flapping the wings and is called

A	Turbulent flight
B	Passive flight
C	active flight
D	swift flight

Question 250

Which one of following has automatic nerve supply

A	Heart muscles
B	Striated muscles
C	Skeletal muscles
D	Biceps and triceps

Question 251

Spongy bone is light, rich in blood vessels, and highly:

A	permeable
B	leaky
C	absorbent
D	porous

Question 252

Which is derived from notochordal remanant

A	Nucleus pulposus
B	Nervous system
C	Annulus fibrosis
D	Vertebral column

Question 253

The organs in response. to external stimuli leading to differential growth show:

A	photonasty
B	hyponastic movements
C	nyctinastic movements
D	thermonasty

Question 254

Movement shown by sperms of liverworts, mosses, ferns towards archegonia are a: (Lhr 2016 Group I, Lhr 2015 Group II)

A	Chemotactic movement
B	Phototropic movement
C	Phototactic movement
D	Chemotropic movement

Question 255

When the muscle is attached to the bone by two tendons is known as

A	Triceps
B	Triceps
C	Polyceps
D	Biceps

Question 256

Actin filaments arise from which of the following disc.

A	M
B	A
C	Z
D	I

Question 257

Which animal moves by jet-propulsion? (Swl 2016)

A	earth warm
B	jelly fish
C	snail
D	star fish

Question 258

Somersault looping and swimming is a type of movement takes place in

A	Volvox
B	Amoeba
C	Hydra
D	Chlaniydomonas

Question 259

Thermonasty is due to:

A	contact
B	temperature
C	water
D	wind

Question 260

Osteoarthritis is the most common chronic arthritis which is a degenerative joint disease also caused by: (Sahiwal 13)

A	Hormonal defect
B	Genetic defect
C	Environmental cause
D	Nutritienal cause

Question 261

The first phase of the repair of a simple fracture is the;

A	Callus formation
B	Remodeling
C	Bony callus formation
D	Haematoma formation

Question 262

An increase in plant girth due to the activity of vascular cambium is called:

A	quaternary growth
B	secondary growth
C	primary growth
D	tertiary growth

Question 263

Cartilage covers ends of the bone at the joint, and also supports the flexible portion of:

A	none
B	nose & external ears
C	nose
D	external ears

Question 264

Jellyfish has an umbrella - like body called:

A	jug
B	bell
C	vase
D	shoe-flower

Question 265

Who suggested that movement of cilia is due to simultaneous contraction or sliding of double fibrils in two groups one after the other:

A	Francis
B	Foreman
C	Osama
D	Bradford

Question 266

At distal. end humerus forms hinge joint with:

A	ulna
B	tibia
C	radius
D	radius & ulna

Question 267

The fusion of four posterior vertebrae present in the pelvic region form (D.G.Khan 2016 Group II)

A	Chest cage
B	Lumbar
C	Coccyx
D	Sacrum

Question 268

The joint that allows the movements in two directions is called:

A	ball & socket joint
B	hinge joint
C	hip joint
D	shoulder joint

Question 269

Frogs and toads, also walk and hop on land due to strong:

A	trunk
B	head
C	hindlirnbs
D	forelimbs

Question 270

Sciatica is characterized by stabbing pain radiating over the course of: (Fsd 2016)

A	Sciatic artery
B	Sciatic capillary
C	Sciatic vein
D	Sciatic nerve

Question 271

A hardened outer surface to which internal muscles can be attached is:

A	endoskeleton
B	exoskeleton
C	axial skeleton
D	hydrostatic skeleton

Question 272

The I bands have mid line called: ,

A	M - lines
B	K - lines
C	L - lines
D	Z - lines

Question 273

The number of cervical vertebrae are: (Fsd 20161

A	12
B	7
C	22
D	33

Question 274

Which of the following attaches hind limb to the vertebral column?

A	Carpals
B	Phalanges
C	Pelvic girdle
D	Pectoral girdle

Question 275

Cramp is also known as:

A	tetanic contraction
B	titanic
C	tetany
D	muscle fatigue

Question 276

Which is not true for pulvinus

A	Negative gravitropism of Stem
B	Causes bending in Oxgen
C	Positive gravitropism of roots
D	It is for hyponasty

Question 277

Haptonastic movement occurs in response to:

A	contact
B	light
C	pressure
D	water

Question 278

Secondary growth occurs due to cell division in:

A	Vascular Cambium & Cork Cambium
B	Cork Cambium
C	Vascular Cambium
D	apical cambium

Question 279

How many type of skeleton are present In animals

A	Two
B	Five
C	Four
D	Three

Question 280

Which one is not a joint disease. (Lhr 2014 G I, Sgd 201611.

A	Arthritis
B	Spondy losis
C	Sciatica
D	Disc slip

Question 281

Both bones and cartilage consist of living cells embedded in the matrix of protein called:

A	collagen
B	keratin
C	insulin
D	fibrinogen

Question 282

The inactive non-conducting wood is called (Grw 2014)

A	Bark
B	Sap wood
C	Heart wood
D	Cork

Question 283

Most efficient way of supporting the body is seen in: (Lhr 2014 G I)

A	Reptiles
B	Mammals
C	Fishes
D	Ayes

Question 284

Another name for striated muscle is

A	Striped
B	Skeletal & Striped
C	Voluntary
D	Skeletal

Question 285

When more energy is required for muscle contraction due to high metabolism, it is provided by another energy storing substances called

A	glucose
B	creatinine
C	creatin phosphate
D	glycogen

Question 286

The movements of an entire cell or organism i.e. locomotion due to external stimulus are:

A	Taxis
B	tropic movements
C	nastic movements
D	Tactic movements

Question 287

Euglena is able to change its direction with the help of

A	Forward and backward movement of its flagellum
B	contractile vacuole
C	By the active contractile myonemes
D	Unable to change its direction

Question 288

The four out of nine double fibril of cilia contract and cilia become straight. It is called:

A	recovery stroke
B	energetic stroke
C	effective stroke
D	straight stroke

Question 289

Reptiles have more cervical vertebrae than do:

A	amphioxus
B	fishes
C	birds
D	amphibians

Question 290

The fusion of four posterior vertebrae present in the pelvic region form:

A	sacrum
B	coccyx
C	chest cage
D	lumbar

Question 291

The point where two bones meet together is called

A	Joints
B	Point
C	None of these
D	Tendon

Question 292

Turgor pressure is generated by high osmotic pressure of:

A	mitochondria
B	cytoplasm
C	vacuole
D	chloroplast

Question 293

Star fish move with the help of

A	Setae
B	Sucking pores
C	Arms
D	Tube feet

Question 294

Euglena is able to change its direction by the active contractile:

A	myonemes
B	steering
C	none
D	undulating membrane

Question 295

Spontaneous movements due to internal causes are: (Mirpur 13)

A	Tactic
B	Taxis
C	Paratonic
D	Autonomic

Question 296

At joint muscles work against each other by contradon. This relationship is called:

A	aggressive arrangement
B	opposed arrangement
C	hostile arrangement
D	antagonistic arrangement

Question 297

Nastic movements are due to balance between

A	Primary Phloem and Secondary Xylem
B	Cork and phloem
C	Primary and secondary xylem
D	Secondary Phloem and Secondary Xylem

Question 298

The filaments that extend across the I-band and partly into the A band are

A	Myosin filaments
B	Actin filaments
C	Myofibrils
D	Myofilaments

Question 299

Each A band has a lighter stripe in its'midsection called:

A	H - zone
B	Z - line
C	A - zone
D	M - line

Question 300

The joints that contain a cavity filled with fluid and are adapted to reduce friction between the moving joint

A	Synovial joints
B	Cartilaginous joints
C	Fibrous joints
D	Pivot joints

Question 301

Sarcoplasm of the skeletal muscle fiber d iffers from cytoplasm in that

A	it contains oxygen binding protein inyoglobin
B	It contains large amout of stored glycogen & it contains oxygen binding protein inyoglobin
C	It contains large amout of stored glycogen
D	It contains sacroplasmic reticulum

Question 302

The displacement of animals from one place to another place is known as

A	Migration
B	Mortality
C	locomotion
D	Movement

Question 303

The movement in response to some chemical is called

A	All of these
B	Tropic movements
C	Paratonic movements
D	Nastic movements

Question 304

The Intervertebral disc Is of which variety

A	Elastic cartilage
B	None of these
C	Hyaline cartilage
D	Fibrous cartilage

Question 305

The long and cylindrical sclerenchyma cell that may be present in the form of solid bundles in xylem or as bundle caps is

A	Sieve cells
B	Sclereids
C	Vessels
D	Fibers

Question 306

The joint that allows the movement in two directions: (Lhr 2013 G I)

A	Ball and socket joint
B	Cartilaginous joint
C	Hinge joint
D	Fibrous joint

Question 307

A hardened outer surface to which internal muscles can be attached is

A	Hydrostatic skeleton
B	Endoskeleton
C	Exoskeleton
D	None of these

Question 308

Sliding filament models of muscle contraction was given by English biologist

A	H. Huxley & A. F. Huxley
B	H. Huxley
C	A. F. Huxley
D	Hartey

Question 309

The disease caused by low calcium in blood is called; (Grw 2013, Mirpur Kashmir 2016)

A	Sciatica
B	Tetanus
C	Cramp
D	Tetany

Question 310

Euglena moves with the help of (D.G.Khan 2016 Group II)

A	Flagellum
B	Myonemes
C	Cilium
D	Pseudopodium

Question 311

The membrane that bounds vacuole, is called:

A	protoplast
B	tonoplast
C	memoplast
D	vacoplast

Question 312

Spondylosis is the disease, which causes immobility and fusion of:

A	shoulder joint
B	vertebral joint
C	elbow joint
D	hip joint

Question 313

Each bony lever is moved by a an

A	Synergistic pair
B	Antagonistic pair
C	Antagonistic muscle
D	Synergistic muscle

Question 314

Fibro Cartilage forms:

A	(external pinnae of ear) & (epiglottis)
B	eyes
C	epiglottis
D	external pinnae of ear

Question 315

All the changes of moulting are controlled by the nervous system and the hormone:

A	epinephrine
B	ecdysone
C	melanin
D	serotonin

Question 316

Flight has evolved in three types of vertebrates namely in:

A	pterodactyls, birds and insects
B	insects, birds and bats
C	pterodactyls, ichthyostega and bats
D	pterodactyls, birds and bats

Question 317

The changes that occur (During ecdysis in an arthropods are controlled BY

A	A hormone ecdysone
B	Nervous system & A hormone ecdysone
C	Nervous system
D	Chemical coordination

Question 318

Disc Slip is treated with

A	traction
B	ALL
C	bed rest
D	painkiller

Question 319

Phototactic movement is in response to stimulus of:

A	wind
B	contact
C	water
D	light

Question 320

How many parts of endoskeleton consists of parts

A	Two
B	Three
C	Four
D	One

Question 321

Some marine Bivalvia and snail have shell composed-'01 crystals of:

A	sodium carbonate
B	silica
C	calcium carbonate
D	calcium phosphate

Question 322

The Joint that allows movement in several directions is called (Mirpur Kashmir 2014

A	Synovial Joint
B	Hinge Joint
C	Fibrous Joint
D	Ball and socket joint

Question 323

The appendicular skeleton consists of:

A	pelvic girdle & hind limbs
B	skull, ribs etc.
C	(pectoral girdle & fore limbs) & (pelvic girdle & hind limbs)
D	pectoral girdle & fore limbs

Question 324

Seven vertebrae which lie in the neck region is called: (Rwp 2016

A	Cervical region
B	Lumber region
C	Pelvic region
D	thoracic region

Question 325

The movement of plant parts in response to stimulus of water is called:

A	chemotropism
B	hydrotropism
C	phtotropism
D	thigmotropism

Question 326

The shoot is negatively geotropic as well as negatively;

A	Chemotropic
B	Thiqmotropic
C	Phototropic
D	Hydrotropic

Question 327

The sclerenchymatous cells in plants give support to the:

A	juvenile plants
B	adult plants
C	baby plants
D	young plants

Question 328

At rest 1/5 the lactic acid is broken aerobically and its energy is used to change remaining 4/5 lactic acid into:

A	lactose
B	glucose
C	sucrose
D	fructose

Question 329

Which of the followings has have hydrostatic skeleton.

A	Mollusk
B	Mollusk & Jelly Fish
C	Jelly Fish
D	Human

Question 330

Rickets is a disease in children with:

A	hairlessness
B	bowed legs &
C	deformed pelvis
D	bowed legs

Question 331

When arthropods have to grow they need to shed exoskeleton periodically and replace it with one of the larger size. This process is known as:

A	Ecdysis & moulting
B	moulting
C	Metamorphosis
D	Ecdysis

Question 332

The mammals who walk on tips of the toes, modified into hooves are termed as: (Bwp 2016)

A	Unguligrades
B	Plantigrade
C	Digitigrades
D	Brachigrades

Question 333

Bowed legs and deformed pelvis are the symptoms of which disease in children? (Grw 2015)

A	disc slip
B	sciatica
C	rickets
D	hvmatoma

Question 334

The skeleton of bird is highly modified Tor:

A	running
B	gliding
C	hopping
D	flight

Question 335

In plants, which are involved in testa formation

A	Trachea
B	Sclerenchyma
C	Selereids
D	Tracheids

Question 336

Turgor pressure is generated mainly by osmotic pressure of Plant Movements

A	Cork cambium
B	Vascular cambium
C	None of these
D	Vascular cambium & Cork cambium

Question 337

Patella is a an

A	Sessamoid bone
B	Dipole
C	Accessory bone
D	Tubules

Question 338

The most complicated exoskeleton is found in: (MB-2006)

A	Mollusks
B	Reptiles
C	Arthropods
D	Echinoderms

Question 339

Contraction of muscle is activated by an enzyme called

A	NADP-ase
B	NAD-ase
C	ATP-ase
D	ADP-ase

Question 340

Which one is not a bone of axial skeleton: (Lhr 2014 G II'

A	Sternum
B	Cranium
C	Ribs
D	Pelvic A

Question 341

Muscle is connected to bone by: (Grw 2016)

A	ligament
B	cross bridges
C	tendon
D	z-line

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