Question Bank | Bio-12, Ch-16

Here is a vast collection of objective and subjective questions in this question bank of biology 12, chapter 16. Following types of questions have been included here.

  • MCQs (Textbook Exercise)
  • MCQs (Previous Boards Essentials)
  • SQs Topic-wise (Previous Boards Essentials + Textbook Conceptuals)
  • LQs (Previous Boards Essentials)

You can find solutions to these questions from our publication, “An Insight Into Objective Biology-12”.

MCQs (Textbook Exercise)

Q. Each question has four possible answers. Tick the correct one.

01: Which of these is a direct source of energy for muscle contraction?   

(a) ATP

(b) Creatine phosphate

(c) lactic acid

(d) Both a and b

02: When muscle contracts:

(a) Sacromere increases in size

(b) myosin slides past actin

(c) lactic acid is produced.

(d) both A and B

03: Which of the following changes occur when skeletal muscle contracts?

(a) The A band shorten

(b) The I band shorten.

(c) The Z-line slide farther apart

(d) The actin filament contracts

04: Thin filament in myofibrils consists of:

(a) Actin, tropomyosin, troponin

(b) Z-line

(c) Myosin

(d) Sarcomere

05: The contraction of striated muscle is initiated by the release of energy in the presence of:

(a) Acetyl choline

(b) Calcium ion

(c) Chloride ion

(d) Iron

06: In the mammalian skeleton, there is a distinct synovial joint between the:

(a) The bones of the cranium

(b) The humerus of ulna

(c) Sacrum of ilium

(d) Sternum and floating ribs

07: Which of the following is a bone of axial skeleton?

(a) Rib

(b) Shoulder girdle

(c) Pelvis

(d) Femur

(e) All of above

08: Vertebral column includes:

(a) Sacrum

(b) Coccyx

(c) Cervical, thoracic and lumber vertebrae

(d) All of above

09: In mammal the number of cervical vertebrae are:

(a) No definite number

(b) Seven

(c) Eleven

(d) Varies with the size of neck

10: Brain is protected by:

(a) Cranium

(b) Skull

(c) Orbits

(d) All of these

11: Which of the following is plantigrade?

(a) Rabits

(b) Monkeys

(c) Horse

(d) Carnivores

12: Brachioradialis causes the up lift of:

(a) Radius

(b) Ulna

(c) Both a and b

(d) Humerus

13: Moulting occurs in arthropods at the:

(a) Immature stage

(b) Mature stage

(c) Both stages

(d) Do not undergo moulting

14: Muscle fatigue is caused by:

(a) CO2

(b) Accumulation of lactic acid

(c) Fumaric acid

(d) Ethyl alcohol

15: Cardiac muscles are:

(a) Voluntary

(b) Involuntary

(c) Both a and b (d) None of the above

MCQs (Previous Boards Essentials)

Q. Each question has four possible answers. Tick the correct one.

01: Bundle caps in sunflower stem, are formed by: (LHR-16)

(a) Sclerenchyma         

(b) Parenchyma

(c) Mesenchyma          

(d) Collenchyma

02: Which of the following cells have angular thickening in their primary walls? (LHR-16) (DGK-21)

(a) Collenchyma          

(b) Sclerenchyma

(c) Fibers                     

(d) Vessels

03: The loss of water due to ex-osmosis from plant cells causes plant to: (MLT-16)

(a) Turgid                     

(b) Swell

(c) Wilt                        

(d) Rupture

04: Turgor pressure is generated by high osmotic pressure of the cell: (SWL-16)(RWP-17)(FSL-19)(LHR-18)

(a) Cytoplasm              

(b) Vacuole

(c) Mitochondria          

(d) Chloroplast

05: The membrane that bounds the vacuole called: (LHR-22)

(a) Tonoplast                

(b) Symplast

(c) Apoplast                 

(d) All of these

06: Change in water potential of a system due to the presence of solute molecules is called: (LHR-17)

(a) Pressure potential   

(b) Solute potential

(c) Matric potential      

(d) Gravitational potential

07: These are shorter than fibers and are found in seed coat and nut shell to provide protection: (MLT-14)(GJR-18)

(a) Tracheids                

(b) Sclerides

(c) Vessels                   

(d) Trachea

08: Long tubular structures join end to end to form long water conducting pipes in xylem are known as: (FSL-21)

(a) Fibers                     

(b) Vessels

(c) Sclereids                 

(d) Trachea

09: The collenchyma cells have protoplast and usually lack: (LHR-15)

(a) Primary wall           

(b) Secondary wall

(c) Middle Lamella      

(d) Vacuole

10: The primary growth in plant cells is caused by: (GJR-21)

(a) Lateral meristems   

(b) Intercalary meristems

(c) Apical meristems    

(d) Secondary meristem

11: The structures that lack secondary wall are:  (LHR-22)(MLT-21)

(a) Aerenchyma           

(b) Sclerenchyma

(c) Parenchyma            

(d) Collenchyma

12: The plant tissues that lack secondary wall are: (FSL-22)

(a) Fibers                     

(b) Sclerenchyma

(c) Parenchyma            

(d) Collenchyma

13: The membrane that bounds vacuole is called: (DGK-14,16)( SRG-15,18)(MLT-15,17,18)

(a) Tonoplast                

(b) Leucoplast

(c) Chromoplast           

(d) Chloroplast

14: Turgor pressure is generated by high osmotic pressure of the cell: (LHR-19)(BWP-21)

(a) Vacuole                  

(b) Cytoplasm

(c) Protoplasm              

(d) Nucleus

15: Angular thickenings in their primary walls are present in: (BWP-15)(LHR-16)(SWL-18)(MLT-19)

(a) Parenchyma            

(b) Collenchyma

(c) Sclerenchyma         

(d) Tracheids

16: Primary growth in plants is caused by: (GJR-21)

(a) Apical meristems    

(b) Lateral meristems

(c) Intercalary meristems   

(d) Open meristem

17: The sclerenchyma has thick secondary walls usually impregnated with: (FSL-21)

(a) Chitin                      

(b) Pectin

(c) Silica                       

(d) Lignin

18: The sclerenchyma   cells found in seed coat ands and nut shells are called: (LHR-19)(MLT-19)

(a) Fibers                      

(b) Sclereids

(c) Tracheid’s               

(d) Vessels

19: The cell walls of sclerenchymatous cells are usually impregnated with: (FSL-17)(DGK-17)

(a) Silica                       

(b) Pectin

(c) Lignin                     

(d) Subring

20: The long tubular sclerenchyma cells found in xylem are: (DGK-21)

(a) Fibers                      

(b) Sclerides

(c) Vessels                   

(d) Cork cells

21: The cholenchymatous cells are highly lignified and found in: (DGK-19)

(a) Epidermis               

(b) Cortex

(c) Pith                         

(d) Xylem

22: The collenchyma and sclerenchyma are with heavily lignified cells in: (BWP-17,18)

(a) Cortex and phloem 

(b) Cortex and xylem

(c) Xylem and phloem 

(d) Pericycle and cortex

23: The inactive non-conducting wood is called: (GJR-14,19)(SRG-22)

(a) Heart wood            

(b) Sap wood

(c) Callus                     

(d) Bark

24: The active conducting portion of wood in older trees is: (RWP-21)

(a) Sap wood               

(b) Heart wood

(c) Cork                       

(d) Bark

25: An increase in plant growth due to activity of vascular cambium is called: (FSL-14)(BWP-19)

(a) Primary growth       

(b) Secondary growth

(c) Sap wood               

(d) Heart wood

26: A plant has a growth pattern called: (LHR-22)

(a) Closed growth        

(b) Open growth

(c) Primary growth       

(d) Secondary growth

27: In terrestrial plants major mechanical stress is imposed by: (MLT-17)

(a) Gravity                   

(b) Temperature wind

(c) Soil                         

(d) Soil

28: This type of wood is most resistant to decay and insect attack. (FSL-17)

(a) Callus                     

(b) Heart wood

(c) Heat wood              

(d) Sap wood

29: Movement shown by sperms of liver warts, mosses, ferns towards archegonia is a: (LHR-15,16)(BWP-19)

(a) Chemotactic movement

(b) Phototactic movement

(c) Chemotropic movement    

(d) Phototropic movement

30: At the place of attachment of leaf with the shoot a swollen part is called: (RWP-22)

(a) Pitch                       

(b) Pit

(c) Cortex                    

(d) Pulvinus

31: The rapid movement of leaves of mimosa on touching is an example of: (AJK-19)

(a) Turgor movement   

(b) Nastic movement

(c) Tropic movement   

(d) Growth movement

32: The movement in response to stimulus of touch i.e., climbing vines is called: (BWP-16)(GJR-18)

(a) Hydrotropism         

(b) Thigmotropsim

(c) Phototropism          

(d) Geotropism

33: The nastic movements are: (GJR-22)

(a) Directional             

(b) Non directional

(c) Spontaneous           

(d) All of these

34: The sleep movements of plants fall under the category of: (MLT-16)

(a) Growth                   

(b) Tactic

(c) Turgor                     

(d) Tropic

35: Haptonastic movements occur in response to: (BWP-15)

(a) Contact                   

(b) Chemical

(c) Temperature           

(d) Water

36: The word tropic is derived from Greek word “Tropos” meaning: (DGK-15)

(a) Sticky                     

(b) Turn

(c) Attractive                

(d) Growth

37: Positive gravitropism of root is due to: (DGK-15)

(a) Auxin                      

(b) Gibberellin

(c) Abscisic acid           

(d) Ethene

38: Action of the Venus fly trap is: (GJR-14)(SRG-19)

(a) Nyctinasty              

(b) Photonasty

(c) Haptonasty             

(d) Thermonasty

39: The hyphae of fungi are: (RWP-14)

(a) Phototactic              

(b) Chemotactic

(c) Chemotropic           

(d) Geotropic

40: The type of nastic movement, which occurs in response to contact is called: (SWL-14)

(a) Haptonastic            

(b) Photonasty

(c) Thermonasty           

(d) Nyctinasty

41: Hyponasty is caused by: (FSL-17)

(a) Auxin                      

(b) Cytokinins

(c) Gibberellins           

(d) Abscisic acid

42: The upper surface of leaves in bud condition shows: (SWL-17)

(a) Photonasty              

(b) Hyponasty

(c) Haptonasty             

(d) Epinasty

43: Which of the following has hydrostatic skeleton? (RWP-15)(AJK-18)

(a) Man                        

(b) An insect

(c) Sea anemone          

(d) Fish

44: A hardened outer surface to which internal muscles can be attached is: (DGK-17)

(a) Endoskeleton          

(b) Hydrostatic skeleton

(c) Exoskeleton            

(d) Axial skeleton

45: Which of these commercially produced hormones, promotes malting? (SWL-22)

(a) GA3                                 

(b) GA

(c) 2,4 D                      

(d) N.A.A

46: The process of moulting is controlled by enzyme called: (LHR-21)

(a) Ecdysone                

(b) Aldosterone

(c) Oxytocin                

(d) Androgen

47: Which bone provide attachment site for muscle? (SRG-16)(RWP-18)(GJR-21)

(a) Compact bone        

(b) Spongy bone

(c) Soft bone                

(d) Cartilage

48: Collagen fibers of bone are hardened by the deposit of: (LHR-17)

(a) Calcium phosphate 

(b) Sodium phosphate

(c) Sodium carbonate   

(d) Calcium carbonate

49: The living cells of cartilage are called: (MLT-15)(DGK-16)(GJR-22)

(a) Cnidocytes             

(b) Chondrocytes

(c) Nematocytes          

(d) Blastocytes

50: Bone forming cells are known as: (FSL-17)(MLT-21)

(a) Osteoblasts             

(b) Osteocytes

(c) Osteoclasts             

(d) Chondroblasts

51: Mature bone cells are called as: (BWP-14,22)(SWL-14)(LHR-21)

(a) Osteoblasts             

(b) Osteocytes

(c) Osteoclasts             

(d) Chondrocytes

52: The bone dissolving cells are called: (LHR-22)(FSL-22)

(a) Stem cells               

(b) Osteoclast

(c) Osteoblast              

(d) Osteocytes

53: The beginning of bone formation, starts after injury : (GJR-21)

(a) 3-4 weeks              

(b) 2-3 months

(c) 8 weeks                  

(d) 8-12 weeks

54: Healing of fracture and repair of the skin aree the examples of : (DGK-21)

(a) Reproduction          

(b) Mutation

(c) Regeneration          

(d) Induction

55: Brain is protected by: (SWL-14)(DGK-22)

(a) Cranium                  

(b) Skull

(c) Orbits                     

(d) Zygomatic bone

56: The paired bones of cranium are parietal and ­­________.  (GJR-22)

(a) Occipital                 

(b) Ethmoid

(c) Sphenoid                

(d) Temporal

56: Which one of the following is facial bone: (LHR-21)

(a) Frontal                    

(b) Occipital

(c) Vomer                    

(d) Sternum

57: Which of the following is the paired bone of cranium: (SWL-21)

(a) Frontal                    

(b) Occipital

(c) Sphenoid                

(d) Temporal

58: Which of the following is a bone of axial skeleton? (LHR-16)

(a) Humerus                 

(b) Femur

(c) Tibia                       

(d) Rib

59: Vertebral column extends from Skull to which region: (AJK-21)

(a) Neck                      

(b) Thorax

(c) Pelvis                      

(d) Lumber

60: The vertebrae of Neck Region is called: (RWP-16)(MLT-21)

(a) Lumber region        

(b) Thoracic region

(c) Pelvic region          

(d) Cervical region

61: The number of cervical vertebrae are: (FSL-16)(RWP-19)

(a) 7                             

(b) 12

(c) 33                           

(d) 22

62: Seven vertebrae lie in the neck region called: (RWP-16)

(a) Lumber region        

(b) Thoracic region

(c) Pelvic region          

(d) Cervical region

63: The fusion of four posterior vertebrate present in the pelvic region form: (DGK-16)(FSL-18)

(a) Sacrum                   

(b) Lumbar

(c) Coccyx                   

(d) Chest cage

64: A bone is not a part of pelvic girdle: (GJR-16)

(a) Ilium                       

(b) Ischium

(c) Humerus                

(d) Pubis

65: The number of pelvic vertebrata column of man is: (DGK-17)

(a) 5                             

(b) 7

(c) 9                             

(d) 12

66: To which region of vertebral column, tetrapod’s pelvic girdle is attached? (SWL-22)

(a) Lumber region        

(b) Sacral region

(c) Pelvic region          

(d) Cervical region

67: In thoracic region, number of vertebrate is: (GJR-15)(FSL-15)

(a) 12                           

(b) 15

(c) 05                           

(d) 04

68: The lower two pairs of ribs in humans are called:  (RWP-17)

(a) Free ribs                 

(b) Fix ribs

(c) Floating ribs            

(d) Former ribs

69: How many pair of ribs are present in human rib cage? (FSL-22)

(a) Ten pairs                 

(b) Twelve pairs

(c) Six pairs                  

(d)   Twenty Four pairs 

70: Which one is not a bone axial skeleton? (SRG -17)

(a) Ribs                        

(b) Sternum

(c) Pelvic                     

(d) Cranium

71: Sacrum is formed by the fusion of anterior:  (MLT-17)

(a) Two bones              

(b) Three bones

(c) Four bones             

(d) Five bones

72: In pelvic region, fusion of four posterior vertebrae forms: (BWP-21)

(a) Coccyx                   

(b) Sacrum

(c) pubis                       

(d) Ischium

73: The second cervical vertebra is called: (AJK-22)

(a) Atlas                       

(b) Axis

(c) Sacral                      

(d) Lumber

74: All the following bones are associated with appendicular skeleton except:  (DGK-21)

(a) Femur                     

(b) Radius

(c) Ulna                       

(d) Ribs

75: All the following bones are associated with coaxial bone except:  (MLT-19)

(a) Illium                      

(b) Ischium

(c) Pubis                       

(d) Clavicle

76: Which of the following is the bone of axial skeleton? (SWL-19)

(a) Humerus                

(b) Femur

(c) Ribs                        

(d) Tibia

77: Which one of the following is not an unpaired bone? (SRG -17)

(a) Mandible                

(b) Vomer

(c) Sphenoid                

(d) Nasal

78: The join that allows the movements in two directions is called: (RWP-16)

(a) Cartilaginous joints 

(b) Synovial joints

(c) Hinge joints            

(d) Ball and Socket joints

79: The joints that allows movement in several directions is called: (AJK-15)(FSL-19)

(a) Fibrous joint           

(b) Synovial joint

(c) Hinge joint             

(d) Ball and socket joint

80: Joints that are held together by short fibers embedded in connective tissue: (DGK-14)

(a) Fibrous joint           

(b) Cartilaginous joint

(c) Synovial joints        

(d) Hinge joints

81: _______ attach bone to bone and slightly elastic. (GJR-15)

(a) Tendons                  

(b) Ligaments

(c) Both A and B          

(d) None

82: The synovial joint is surrounded by a layer of connective tissue called: (LHR-17)(GJR-18)

(a) Ligament                

(b) Nucleus pulposus

(c) Annulus fibroses     

(d) Fibrous capsule

83: The synovial joint is surrounded by a layer of connective tissue called:

(a) Fibrous capsule      

(b) Hyaline cartilage

(c) Annulus fibrosis      

(d) Hematoma

84: Sciatica is characterized by stabbing pain radiating over the course of: (FSL-16)

(a) Sciatic artery           

(b) Sciatic nerve

(c) Sciatic vein             

(d) Sciatic capillary

85: A condition in which palatine processes of maxilla and palatine fail to fuse is: (LHR-15)(FSL-18)

(a) Microcephaly         

(b) Cleft palate

(c) Fused palate           

(d) Osteoarthritis

86: Bowed legs and deformed pelvic are the symptoms of which disease in children? (GJR-15)

(a) Rickets                    

(b) Disc Slip

(c) Sciatica                   

(d) Hematoma

87: Osteomalacia includes a number of disorders in which bone receive inadequate:

(a) Water                      

(b) Oxygen

(c) Blood                      

(d) Minerals

88: Disease in which bone resorption outpaces bone deposit: (FSL-22,21)

(a) Osteoporosis          

(b) Osteomalacia

(c) Rickets                    

(d) Spondylosis

89: A disease which causes immobility and fusion of vertebral joint is called: (DGK-14)(SRG-15)(LHR-19)(RWP-19)(AJK-21)

(a) Sciatica                   

(b) Spondylosis

(c) Rickets                    

(d) Disc Slip

90: A disease caused by low level of calcium in blood is : (AJK-16)(GJR-19)(BWP-22)

(a) Tetany                    

(b) Sciatica

(c) Muscle Fatigue       

(d) Cramp

91: Rickets is due to deficiency of vitamin: (SRG-15)(BWP-18)

(a) A                             

(b) C

(c) D                            

(d) E

92: Rickets is a disease in children with _______. (GJR-22)

(a) Soft bones               

(b) Herniation

(c) Bowed legs & deformed pelvis      

(d) Arthritis

93: Which one of the following is not a joint disease? (LHR-14,15)(SRG -16)

(a) Arthritis                   

(b) Sciatica

(c) Disc Slip                 

(d) Spondylosis

94: Complete immobilization of muscle leads to: (SWL-14)

(a) Increase in capillaries   

(b) Increase in Mitochondria

(c) Sever atrophy         

(d) Resistance to fatigue

95: Acute forms of arthritis usually result from: (RWP-14)

(a) Bacterial invasion   

(b) Viral invasion

(c) Fungal invasion      

(d) Severe injury

96: The inflammatory or degenerative disease that damages joints is called: (RWP-17)

(a) Arthritis                   

(b) Osteoporosis

(c) Meningitis              

(d) Spondylosis

97: Arthritis is an inflammatory or degenerative disease that damages: (RWP-21)(MLT-19)

(a) Muscles                  

(b) Brain

(c) Joints                       

(d) kidney

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

(a) Hemorrhage           

(b) Callus

(c) Hemoglobin           

(d) Hematoma

99: Muscles present in Gut wall are: (BWP-14)

(a) Smooth                   

(b) Skeletal

(c) Cardiac                   

(d) Voluntary

100: Unstriped muscles are called: (DGK-22)

(a) Smooth Muscles     

(b) Cardiac muscles

(c) Skeletal muscles     

(d) Brachialis

101: The diameter of skeletal muscle fibres is: (GJR-18)

(a) 10-80 mm                

(b) 10-100 mm

(c) 10-120 mm              

(d) 10-135 mm

102: The diameter of thick filament in muscle: (RWP-22)

(a) 7-8 nm                    

(b) 4 nm

(c) 16 nm                     

(d) 10 nm

103: Thick filament in myofibril is made up of:

(a) Myosin                   

(b) Actin

(c) Tropomyosin          

(d) Troponin

104: Thin filament in myofibril is composed chiefly of: (DGK-22)

(a) Tropomyosin          

(b) Troponin

(c) Actin                       

(d) All of these

105: Protein that binds to calcium in muscle contraction

(a) Actin                       

(b) Myosin

(c) Tropomyosin          

(d) Troponin

106: Troponin is a complex of how many polypeptides chains? (FSL-21)

(a) Single                     

(b) Double

(c) Triple                      

(d) None

107: Each A-band has a lighter stripe in its mid-section called: (RWP-19)

(a) A-zone                    

(b) H-zone

(c) M-line                     

(d) Z-line

108: The region of myofibril between two successive z-lines is called: (AJK-22)

(a) Capsomere             

(b) Telomere

(c) Monomere              

(d) Sarcomere

109: Skeletal muscles are called striated (stripped) because of presence of: (RWP-17)

(a) Red and yellow band    

(b) White and yellow band

(c) Alternating dark and light band      

(d) Red and black band

110: Muscle fatigue is caused by: (RWP-15)(DGK-22)(SWL-21)

(a) CO2                        

(b) Fumaric acid

(c) Ethyl alcohols         

(d) Lactic acid

111: Which one is needed to break link between myosin bridge and actin: (MLT-21)

(a) Glucose                  

(b) ATP

(c) Creatine                  

(d) Creatine phosphate

112: The disease caused by low calcium in blood is called:

(a) Tetanus                   

(b) Cramp

(c) Sciatica                   

(d) Tetany

113: Which end of muscle remains fixed when the muscle contracts? (SRG -21)

(a) Insertion                 

(b) Origin

(c) Tendon                   

(d) Belly

114: Muscle is connected to bone by: (GJR-16)(SRG-14,21)

(a) Tendon                   

(b) Ligament

(c) Z-line                      

(d) Cross bridges

115: Slightly elastic connective tissues that attach bone to bone are called: (FSL-14)

(a) Tendons                  

(b) Brachialis

(c) Brachio-radialus      

(d) Ligaments

116: The muscles which work against each other by contraction are: (SRG -22)

(a) Antagonistic muscles    

(b) Antiparallel muscles

(c) Antagonistic            

(d) Both a and c

117: Which of the following muscle straightness and the elbow joints? (BWP-17)

(a) Brachialis                

(b) Triceps

(c) Biceps                     

(d) Brachio-radilus

118: There are ________ muscles in the human body, most of which occur in pairs. (GJR-15)

(a) 650                         

(b) 630

(c) 660                         

(d) 645

119: A respiratory protein which is present in all aerobic organism is: (BWP-14)

(a) Hemoglobin           

(b) Myoglobin

(c) Cytochrome            

(d) Cytochrome C

120: What is mortality rate in developing countries due to Tetanus? (MLT-17)

(a) 35%                        

(b) 40%

(c) 45%                        

(d) 50%

121: Euglena moves with the help of: (DGK-16)

(a) Cilium                     

(b) Pseudopodium

(c) Myonemes             

(d) Flagellum

122: The supracoracoid muscles provide power for the: (LHR-15)

(a) Upward Stroke       

(b) Downward Stroke

(c) Recovery Stroke     

(d) Neutral Stroke

123: The diameter of cilia ranges from: (SRG -15)

(a) 0.1 to 0.5 mm          

(b) 0.1 to 0.5 mm

(c) 0.36 to 0.8 mm        

(d) 0.3 to 0.8 mm

124: Tube feet are locomotory organs in: (DGK-19)

(a) Jelly Fish                 

(b) Silver Fish

(c) Cuttle Fish              

(d) Star Fish

125: Which animal moves by jet-propulsion? (SWL-16)

(a) Earthworm              

(b) Star fish

(c) Snail                       

(d) Jelly fish

126: The mammals who walk on tips of the toes, modified into hooves are termed as: (BWP-16)(AJK-19)

(a) Plantigrades            

(b) Unguligrades

(c) Digitigrades            

(d) Brachigrades

127: Most efficient way of supporting the body is seen in: (LHR-14,17)

(a) Fishes                     

(b) Aves

(c) Reptiles                  

(d) Mammals

128: ________ is unguligrade. (MLT-14,17)

(a) Bear                        

(b) Man

(c) Rabbit                     

(d) Goat

129: Plantigrade mode of Locomotion is observed in: (FSL-15)(SWL-17)

(a) Monkey                  

(b) Rabbit

(c) Goat                       

(d) Rodents

130: The plantigrade animals used to walk on their: (LHR-18)

(a) Digits                      

(b) Tips of toes

(c) Soles                       

(d) Belly

131: Which of the following is plantigrade?

(a) Dog                        

(b) Horse

(c) Rabbit                     

(d) Monkey



Q.01: Differentiate between callus and galls. (BWP-17)

Q.02: Define turgor and osmotic pressure. (MLT-14)(SRG-16)

Q.03: Define turgor and give its two functions. (RWP-19)

Q.04: Differentiate between collenchyma and sclerenchyma cells. (FSL-14)(SWL-14)(RWP-14)(GJR-15)(DGK-16)(AJK-16)(SRG-17)(BWP-17)

Q.05: Define sclerenchyma cells. What are the major types of sclerenchyma cells? (SWL-21)

Q.06: Define collenchyma cells. And write two characteristics. (RWP-19)(SRG-22)(LHR-19)(GJR-21)(AJK-21)

Q.07: Define collenchyma cells. Write their functions in plants. (SWL-19)

Q.08: Differentiate between fibers and sclerides. (LHR-14,15)(SRG-15,21)(MLT-16,18)

Q.09: What is difference between cork and cambium and vascular cambium? (SRG-14)(RWP-16)

Q.10: What is vascular cambium? Which new tissues are developed from it? (FSL-22)

Q.11: Differentiate between heartwood and sapwood. (SRG-16,22)(LHR-22)(RWP-15,16,18,22)(FSL-16,18,22)(AJK-15,17)(SWL-16)(DGK-17)

Q.12: Define secondary growth and give its significance. (RWP-17)(GJR-19)(BWP-22)

Q.13: Define secondary growth and how it occurs? (MLT-19)

Q.14: Which tissues arise from vascular cambium? (SWL-17)

Q.15: What are characteristics and functions of sclerenchyma cells? (SRG-17)


Q.16: Differentiate between geotropism and hydrotropsim. (DGK-16)

Q.17: Give the name of hormones which are involved in epinasty and hyponasty. (LHR-18)

Q.18: Name types of autonomic movements. (RWP-18)

Q.19: Define tactic movements. Give its one type. (MLT-16)

Q.20: What do you know about sleep movement in plants? (GJR-16)(AJK-18)(LHR-19)

Explain haptonastic movements by giving an example. (LHR-14)(SRG-15)

Q.21: Differentiate between epinasty and hyponasty. (GJR-14)(MLT-14)(RWP-14)(DGK-15)(BWP-16)(LHR-17)(SWL-17)

Q.22: Differentiate between Epinasty and Nyctinasty. (BWP-22)(AJK-19)

Q.23: What is Nutation? (GJR-15,16)(AJK-15)(RWP-22)

Q.24: Differentiate between photonasty and thermonasty. (GJR-15)(SRG-15)(LHR-16,17)(SWL-17)

Q.25: What is pulvinus? What is its function? (DGK-14,17)(MLT-17)

Q.26: What are phototactic movements? Give its examples. (RWP-17)(LHR-19)(FSL-22)

Q.27: Define nastic movements. What is thermonasty? (RWP-19)

Q.28: Define nastic movements. Give its types. (RWP-17)

Q.29: How growth movements occur in the plants? (BWP-17)

Q.30: Define chemotactic movement. Write its cause. (LHR-15)

Q.31: What are Paratonic movements? Name its types.  (MLT-17)

Q.32: Differentiate between Phototactic and phototropism movements. (BWP-19)

Q.33: Differentiate between phototropism and chemotropism. (GJR-22)

Q.34: Differentiate between phototactic and chemotactic moments? (RWP-19)

Q.35: Compare phototropism and geotropism. (LHR-17)

Define Tropic movements. Write the names of its types. (SRG-17)

Q.36: Define turgor movements. Write the names of its types. (GJR-19)


Q.37: Differentiate between hyaline and fibrocartilage. (GJR-14)(FSL-14)(LHR-16)(AJK-16)(RWP-16)(DGK-17)(SRG-21)

Q.38: Differentiate between hyaline and elastic. (RWP-17,21)(FSL-14,21)(SRG-15)(BWP-15)

Q.39: Define bone. Name the types of cells associated with bones. (LHR-14)(MLT-19)

Q.40: Give role of skeleton in mineral homeostasis and blood cell production. (SRG-14)(RWP-14)

Q.41: Write down the any four/two functions of human skeleton system. (SRG-22)(SWL-21)(LHR-21)(GJR-21)

Q.42: Differentiate between hyaline and elastic cartilage.

Q.43: Differentiate between hyaline and fibrocartilage. (SRG-21)

Q.44: Define hydrostatic skeleton by giving example. (MLT-21)(SRG-19)

Q.45: Compare Exoskeletonand Endoskeleton. (MLT-14)

Q.46: Differentiate between epicuticle and procuticle. (DGK-14)(AJK-17)

Q.47: Give compositions of exoskeleton in mollusks and arthropods. (LHR-15)(FSL-16)

Q.48: Define ecdysis and how it is controlled. (GJR-15)(FSL-15)(RWP-15,17)(AJK-15)(SWL-16)(DGK-16,16)(LHR-22)(BWP-22)

Q.49: What is moulting? Write the hormones involved in this process. (SRG-18)(FSL-18,21)(DGK-18,21)

Q.50: Define Ecdysis and write its two stages. (LHR-21)(RWP-21)

Q.51: What is cartilage? Give its types. (BWP15)(RWP-17)(FSL-19)(SWL-21)

Q.52: Which kind of cells are responsible for bone formation, write their function. (GJR-17)

Q.53: What is difference between compact and spongy bone? (MLT-17)(LHR-18)(DGK-22)

Q.54: Define the mechanism of hydrostatic skeleton. (FSL-16)


Q.55: Name the unpaired facial bones. (LHR-16)(FSL-16)(BWP-16)

Q.56: Enlist facial bones. (AJK-19)

Q.57: Name different bones of hind limb. (BWP-16)

Q.58: Name two paired facial bones. (FSL-16)

Q.59: Name unpaired bones of cranium. (GJR-15)

Q.60: Name the paired and unpaired bones of human skull (cranium and face). (LHR-22)(DGK-21)

Q.61: Name bones of pelvic girdle. (FSL-15)(DGK-16)

Q.62: Name the bones of pectoral girdle. (RWP-22)

Q.63: Name the bones of pectoral girdle and pelvic girdle. (SWL-19)

Q.64: Define vertebral column. What names can be given to them according to their location? (FSL-22)

Q.65: What is ribcage? (AJK-21)

Q.66: What are floating ribs?

Q.67: How many ribs are not attached to sternum? (FSL-21)

Q.68: How many different regions are present in vertebral column? Discuss their names and also tell about the number of vertebrae in each region. (GJR-22)

Q.69: Describe pelvic girdle and hind limb in human skeleton. (FSL-15)(BWP-17)

Q.70: What is difference between axial skeleton and appendicular skeleton? (SRG-14)(GJR-17)(MLT-17)(DGK-17)

Q.71: Write the structural composition of synovial joints. (LHR-14)(FSL-21)

Q.72: What is synovial joint? Write the names of its two types (GJR-22)(SRG-19)(DGK-19)

Q.73: What are cartilaginous joints? Give one example. (MLT-21)

Q.74: What are fibrous joints? Give one example. (AJK-19)

Q.75: Differentiate between cartilaginous joints and synovial joints. (GJR-22)

Q.76: Differentiate hinge joint and ball and socket joint with the help of example. (LHR-22)(MLT-21)

Q.77: Differentiate between immovable and slightly moveable joints.

Q.78: Explain hinge joint in detail. (DGK-21)

Q.79: Define joint and give name on the basis of structure.


Q.80: What is Sciatica and its causes? (LHR-16) (FSL-22)(DGK-19)(RWP-21)

Q.81: Define Rickets. Write its cause and cure. (GJR-14)(DGK-14,18)(LHR-15)(BWP-15)(RWP-16,19)(MLT-18)(SWL-18)

Q.82: What is arthritis? (LHR-22)

Q.83: What is osteoporosis? How is it treated? (LHR-22)(MLT-21)(FSL-19)

Q.84: What is cleft palate and osteoarthritis? (GJR-14)(FSL-21)(BWP-19)

Q.85: Give hormonal causes of deformity of skeleton. (FSL-15)(MLT-16)

Q.86: What is meant by disc slip? Or what is herniation of the disc? (MLT-17,19)(DGK-14,22)

Q.87: How genetic deformities of skeleton occur in humans? (RWP-17)

Q.88: Differentiate between microcephaly and osteoarthritis. (MLT-17)

Q.89: Define spondylosis. (AJK-17)(SWL-22)


Q.90: How callus is formed? (LHR-14,19)

Q.91: Explain briefly hematoma formation. (LHR-16)(SRG-21)(GJR-21)(DGK-21)(BWP-14,21)

Q.92: Which type of cells associated with bones? (AJK-21)


Q.93: Differentiate between troponin and tropomyosin. (LHR-21)

Q.94: Give the composition of filaments of skeletal muscles. (DGK-21)

Q.95: Give the composition of thin filaments of skeletal muscle in detail. (BWP-21)

Q.96: What are source of energy for muscles contraction?  (LHR-14)

Q.97: What is muscle fatigue? How is it produced? (MLT-15,19)(BWP-16)(SWL-18)

Q.98: What is cramp? Write its causes. (GJR-19)(DGK-22)(SWL-19)

Q.99: How exercise effects muscles? (MLT-19)

Q.100: What is the cause of muscle fatigue? (MLT-15)(BWP-16)(SWL-18)(GJR-22)

Q.101: What is all or none principle? (BWP-15)(RWP-18)(MLT-18)(SRG-15,22)(DGK-22)

Q.102: What is Rigor Mortis? Give its cause. (DGK-14)(MLT-15)(LHR-17)(SWL-18)(BWP-19)

Q.103: What are characteristics of smooth muscles? (BWP-14)(SRG-18)

Q.104: Write down the difference between tetany and tetanus. (SWL-14)(DGK-15)(LHR-18)

Q.105: What is antagonistic action of muscles? (GJR-14)(FSL-14)

Q.106: Differentiate between tendons and ligaments. (MLT-15,19)(SWL-15)(RWP-15)(GJR-16)(LHR-17,18)(DGK-22,21)(BWP-21)

Q.107: What is ligament? (FSL-21)

Q.108: What is T-System? (DGK-15)

Q.109: What are Flexors? Give their examples. (DGK-17)

Q.110: What is effect of exercise on muscles? (FSL-17)(SRG-17)(DGK-17)

Q.111: Write few lines about cardiac muscles. (FSL-17)

Q.112: Differentiate between effective and recovery stroke. (DGK-15)(LHR-16,19)

Q.113: Differentiate between active flight and passive flight. (AJK-16)(FSL-19)(DGK-19)

Q.114: Give two adaptations in fish for swimming. (SWL-14)

Q.115: What are aerofoils? (BWP-14)

Q.116: Differentiate between plantigrade and unguligrade animals. (DGK-14)(LHR-17)

Q.117: Give classification of vertebral column. (GJR-16)

Q.118: What is jet propulsion? Give one example. (GJR-16)(LHR-19)(AJK-22)

Q.119: Define antagonistic movement of muscles. (LHR-18)(FSL-22)

Q.120: Elaborate locomotion in star fish. (GJR-18)

Q.121: Differentiate between plantigrade and digitigrades mammals. (GJR-18)

Q.122: How does shape of wings affect the type of flight in birds? (MLT-21)

Q.123: What are the two adaptations that help them to flight? (SRG-19)

Q.124: How locomotion takes place in jelly fish? (GJR-18)

Q.125: Discuss locomotion in mammals. (SWL-22)

Q.126: What is active flight? (BWP-18)

Q.127: Define unguligrades. Write its two examples. (RWP-19)


Q.01: Describe the significance of secondary growth. (LHR-15)(SRG-15)(DGK-16)

Q.02: Explain the types of growth in plants due to which diameter of their stem increases. (GJR-22)

Q.03: Compare parenchyma cells with collenchyma cells. (LHR-22)(LHR-21)(GJR-21)

Q.04: What are growth movements? Give its types. (BWP-16)

Q.05: Write note on autonomic movements. (AJK-16)

Q.06: Give an account of paratonic Movements in plants. Describe nastic movements in plants.  (MLT-19)

Q.07: Give an account of paratonic Movements in plants. (LHR-14)

Q.08: Explain tropic Movements in plants. (LHR-14)(FSL-15)

Q.09: What are turgor moments? Describe their types. (SWL-19)(FSL-21)

Q.10: Describe nastic movements in plants. (RWP-17)

Q.11: Write a note on human skeletal system. (GJR-21)

Q.12: What is endoskeleton? Describe bone and cartilage. (LHR-16)

Q.13: How is support provided to those animals which lack hard skeleton? Explain your answer with two examples. (FSL-22)

Q.14: Explain major functions of skeletal system in maintenance of human life. (LHR-22)

Q.15: Write a note on exoskeleton. How arthropods overcome its draw back? (GJR-15)

Q.16: Explain the significance of Hydrostatic skeleton in animals having no hard parts such as bones. (SRG-22)

Q.17: Compare the hydrostatic skeleton with reference to the functions of skeletal system by giving two examples. (AJK-22)

Q.18: Write down the process of ecdysis in Arthropods. (DGK-17)(FSL-21)

Q.19: What are skeletal Muscles? Discuss their structure in detail. (SWL-21)(DGK-18,21)(GJR-14,16)(FSL-14)(BWP-15)(MLT-17)

Q.20: List the major parts of skeletal muscle fiber and write the function of each part. (BWP-22)

Q.21: What are the main differences between exoskeleton and endoskeleton? Explain. (MLT-17)

Q.22: What are components of endoskeleton? Give their general characteristics. (AJK-17)

Q.23: Write note on human appendicular skeleton. (LHR-16)(SRG-16)(AJK-19)

Q.24: Explain bones of human skull with diagram. (MLT-14)(DGK-15)

Q.25: Give the account of bones of skull (cranium & Facial? (SRG-21)

Q.26: What are joints? Explain their types. (DGK-14,14,21)(RWP-14)(SWL-14,17)(MLT-16,19)(LHR-17)(BWP-19)( SRG -17)

Q.27: Justify the division of joints on the basis of their structure. (FSL-22)(BWP-21)

Q.28: What is bone fracture? Explain their types. (DGK-15,18)

Q.29: How In human skeleton deformed by trauma? Justify your answer using special reference of disc slip. (SWL-22)

Q.30: Give a detailed note on sliding filament Mode of muscle contraction. (SRG-14)(LHR-15,19,19)(GJR-15)(FSL-16)(RWP-16,21)

Q.31: Describe ultra structure of Myofilaments of Skeletal Muscle. (MLT-15)(GJR-22)

Q.32: Describe the Locomotion in Jelly Fish and Cockroach. (SRG -15)

Q.33: Describe the Locomotion in air. (DGK-14)(GJR-18)

Q.34: Describe the Locomotion in Jelly Fish and mammals. (RWP-17)

Q.35: Discuss arrangement of vertebrae in vertebral column. Also describe rib cage. (LHR-18)

Q.36: What is the sliding filament model of muscle contraction? What does it explain? (RWP-16,19)(LHR-18)

Q.37: Describe paratonic movements in plants. Discuss its various types. (FSL-18,19)

Q.38: Demonstrate the antagonistic working of hinge joint of elbow. (RWP-22)

Q.39: Define antagonism. Discuss the phenomena with the example of elbow joint. (AJK-21)(GJR-19)

Q.40: Describe Exoskeleton in arthropods. Write its advantages and disadvantages. (MLT-18)

Q.41: Describe locomotion in paramecium. (SWL-18)(SRG-19)

Q.42: Describe the Repair Process of Simple fracture of bone. (BWP-18)(DGK-19)(RWP-19)(MLT-21)

Q.43: Write the four steps involved in repair of bone. (LHR-21)

Q.44: Write a note on Disc Slip and sciatica. (AJK-18)(MLT-21)

Q.45: Compare the locomotion in amphibians with locomotion in reptiles. (FSL-22)

NOTE: Study and utilize this treasure of questions in your preparations. Also give your opinion in comments to improve this effort. Your verdict will have a meaning for us. Thanks a lot!

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