1 Release of pancreatic juice is stimulated by
(a) enterokinase
(b) cholecystokinin
(c) trypsinogen
(d) secretin .
Ans: b
2 What is common among amylase, rennin & trypsin?
(a) They are all proteins
(b) They are proteolytic enzymes
(c) They are produced in stomach
(d) They are act at pH lower than 7 .
Ans: a
3 Which is the element that hardens the tooth enamel
(a) Calcium
(b) Fluorine
(c) Iodine
(d) Sodium.
Ans: b
4 Digestion is
(a) absorption of diffusible food
(b) absorption of water
(c) throwing out of non diffusible food substances.
(d) conversion of non-diffusible ingredients into diffusion state. .
Ans: d
5 Amino groups of surplus amino acids are turned into urea in
(a) liver
(b) spleen
(c) pancreas
(d) kidneys.
Ans: a
6 Parotid salivary glands are present
(a) below the tongue
(b) below the ears
(c) in the angle between two jaws
(d) below the eye orbits .
Ans: b
7 Bilirubin and biliverdin are
(a) bile salts
(b) bile pigments
(c) bile juices
(d) bile enzymes.
Ans: b
8 Gastric juice contains which of the following enzymes?
(a) Pepsin and renin
(b) Amylase, pepsin and lipase
(c) Amylase and pepsin
(d) Insulin and glucagon .
Ans: a
9 Succus entericus is
(a) swollen area between ileum & rectum
(b) intestinal juice
(c) any swelling in gut
(d) vermiform appendix .
Ans: b
10 Essentially the work digestion means
(a) breaking food for energy
(b) building of proteins from amino acids
(c) changing organic molecules
(d) breaking complex organic molecules into smaller ones .
Ans: d
11 Digestion process in human is
(a) extracellular
(b) intracellular
(c) intercellular
(d) all the above.
Ans: a
12 Curdling of milk in small intestine takes place due to
(a) trypsin
(b) rennin
(c) ptyline
(d) chymotrypsin.
Ans: b
13 The incisor teeth are meant for
(a) biting & cutting
(b) munching
(c) munching and chewing
(d) chewing .
Ans: a
14 After absorption of digested lipids by lymphatics of small intestine, these become milky, then these lipoprotein droplets are called as
(a) chyme
(b) chyle
(c) chylomicron
(d) micelles.
Ans: c
15 Which is false ?
(a) Blood from Right side of heart is carried to lungs by pulmonary artery
(b) Pleura is double covering of kidney
(c) Pancreas is both exocrine and endocrine gland
(d) Scurvy is due to vitamin C deficiency .
Ans: b
16 Volume of air breathed in and out during normal breathing is called
(a) vital capacity
(b) I R V
(c) E R V
(d) tidal volume .
Ans: d
17 Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has been inhaling polluted air containing unusually high content of
(a) carbon disulphide
(b) chloroform
(c) carbon dioxide
(d) carbon monoxide .
Ans: d
18 Which have no specific organ for respiration but
respire ?
(a) Rabbit
(b) Cockroach
(c) Earthworm
(d) Frog.
Ans: c
19 Which is the part of pulmonary or lung division where gaseous exchange takes place?
(a) bronchiole
(b) alveolus
(c) air chamber
(d) trachea .
Ans: b
20 Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?
(a) Unstraited muscle cells
(b) Liver cells
(c) Red blood cells
(d) White blood cells .
Ans: c
21 During inspiration, the diaphragm
(a) expands
(b) shows no change
(c) contracts and flattens
(d) relaxes to become dome-shaped .
Ans: c
22 One haemoglobin carry how many molecule of
Image
O2 ?
(b) 2
(a) 4
(c) 6
(d) 8 .
Ans: a
23 Which one of the following four organs is correctly matched with its characteristics?
Column - I Column - II
Organs Characteristics
A. Bronchi Two branches of the trachea that brings air into the lungs.
B. Trachea Small flap that prevents food from entering
C. Diaphragm Dome shaped muscle that pushes on the lungs during exhalation.
D. Alveoli Pair of organs that inflate as you inhale and deflate as you exhale.
(a) A and B only
(b) C and D only
(c) A and C only
(d) B and D only.
Ans: c
24 Oxygenated blood from lungs is carried to the heart by
(a) pulmonary artery
(b) pulmonary vein
(c) coronary vein
(d) pre-cavals.
Ans: b
25 Which is correct ?
(a) Respiratory centres are not affected by CO2
(b) In humans vital capacity is just double the expiratory volume
(c) A human lung has 103 alveoli
(d) During inspiration the lungs create suction pump .
Ans: d
26 Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
(a) One can breathe out air totally without oxygen
(b) One can breathe out air through eustachian tubes by closing both the nose and the mouth
(c) One can consiously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
(d) The lungs can be made fully empty by forcefully breathing out all air from them .
Ans: b
27 Vocal cords are situated at
(a) Pharynx
(b) Larynx
(c) Glottis
(d) Bronchial tube.
Ans: b
28 Which of the following statement correctly defines Bohr effect ?
(a) Rise in p50 with a decrease in CO2 conc.
(b) Rise in p50 with decrease in pH
(c) Rise in p50 with increase in O2
(d) Fall in p50 with decrease in pH .
Ans: b
29 At higher CO2 concentration, oxygen dissociation curve of haemoglobin will
(a) move to left
(b) move to right
(c) become irregular
(d) move upwardly.
Ans: b
30 O2 is transported in vertebrates as
(a) dissolved in plasma
(b) complexed with haemoglobin
(c) dissolved in cytoplasm of erythrocytes
(d) absorbed over the RBC .
Ans: b
31 When CO2 concentration in blood increases, breathing becomes
(a) shallower and slow
(b) there is no effect on breathing
(c) slow and deep
(d) faster and deeper .
Ans: d
32 Rate of respiration is directly affected by
(a) concentration of carbon dioxide
(b) oxygen in trachea
(c) concentration of oxygen
(d) diaphragm expansion .
Ans: a
33 In man regulation of respiration and heart beat is maintained by
(a) cerebrum
(b) medulla oblongata
(c) cerebellum
(d) spinal cord .
Ans: b
34 The correct route through which pulse-making impulse travels in the heart is
(a) AV node ® bundle of His ® SA node ® Purkinje fibres ® heart muscles
(b) AV node ® SA node ® Purkinje fibres® bundle of His ® heart muscles
(c) SA node ® Purkinje fibre ® bundle of His ® AV node ® heart muscles
(d) SA node ® AV node ® bundle of His ® Purkinje fibre ® heart muscles .
Ans: d
35 Which of the following statements is/are correct?
(i) Blood group O is universal donor.
(ii) Blood group AB is universal acceptor.
(iii) Blood group A contains antigen B and anti-A antibodies
(iv) Blood group B contains antigen B and anti-A antibodies
(a) Only (i) and (ii) is correct.
(b) Only (i), (ii) and (iii) is correct.
(c) Only (i), (ii) and (iv) is correct.
(d) Only (i), (iii) and (iv) is correct. .
Ans: c
36 The name of disease connected with Rh factor is
(a) haemophilia
(b) erythropoiesis
(c) myxoedoma
(d) erythroblastosis.
Ans: d
37 What is the main difference in human and frog RBC ?
(a) Human RBC are non nucleated
(b) Haemoglobin is found only in human RBC
(c) Human RBC have nucleus
(d) Human RBC are multinucleate .
Ans: a
38 Which of the following is not the main function of lymph glands ?
(a) Forming WBC
(b) Forming RBC
(c) Forming antibodies
(d) Destroying bacteria .
Ans: b
39 The pH of blood is
(a) between 7-8
(b) between 2-4
(c) between 12-14
(d) between 2-5 .
Ans: a
40 Heart beats originate from
(a) left atrium
(b) right ventricle
(c) cardiac muscles
(d) pace maker.
Ans: d
41 Rh factor is named after
(a) monkey
(b) D
(c) rat
(d) man.
Ans: a
42 Globulins contained in human blood plasma are primarily involved in
(a) osmotic balance of body fluids
(b) oxygen transport in the blood
(c) clotting of blood
(d) defence mechanisms of body .
Ans: d
43 Pulse pressure is
(a) difference between systolic and diastolic pressure
(b) systolic pressure
(c) pressure in the great veins
(d) diastolic pressure .
Ans: a
44 Changeable threshold material in renal tubules
(a) water and glucose
(b) urea & uric acid
(c) glucose & amino acids
(d) water & salts .
Ans: d
45 What will happen if the stretch receptors of the urinary bladder wall are totally removed?
(a) Micturition will continue
(b) Urine will continue to collect normally in the bladder
(c) There will be no micturition
(d) Urine will not collect in the bladder .
Ans: c
46 Glomerular hydrostatic pressure is present in
(a) tubule of kidney
(b) bowman's capsule
(c) malpighian tubule
(d) glomerulus of uriniferous tubule .
Ans: d
47 In diabetes mellitus, the patient drinks more water as there is urinary loss of
(a) salt
(b) insulin
(c) protein
(d) glucose.
Ans: d
48 The part of the neprhon of kidney where Cl– is absorbed along with Na+ is
(a) ascending limb of Henle’s loop
(b) descending limb of Henle’s loop
(c) DCT
(d) PCT .
Ans: a
49 A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
(a) acts as a reserve during muscular exercise
(b) raise the pCO2 of blood to 75 mm of Hg
(c) is enough to keep oxyhaemoglobin saturation at 96%
(d) helps in releasing more O2 to the epithelial tissues .
Ans: a
50 Vasa rectae are peritubublar capillaries around
(a) posterior part of alimentary canal
(b) PCT
(c) loop of Henle
(d) DCT .
Ans: c
51 Kidney stones are
(a) crystals of silica
(b) crystals of calcium oxalate
(c) crystals of potassium chloride
(d) crystals of sodium bicarbonate .
Ans: b
52 Formation of concentrated (hyperosmotic) urine in vertebrates generally depends on
(a) length of the proximal convoluted tubule
(b) length of Henle's loop
(c) podocytes of Bowman's capsule
(d) capillary network forming glomerulus .
Ans: b
53 Lysozyme that is present in perspiration, saliva and tears, destroys
(a) certain types of bacteria
(b) all viruses
(c) most virus-infected cells
(d) certain fungi .
Ans: a
54 Which one of the following correctly explains the function of a specific part of a human nephron ?
(a) Podocytes : create minute spaces (slite pores) for the filtration of blood into the Bowman’s capsule
(b) Henle’s loop : most reabsorption of the major substances from the glomerular filtrate
(c) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries
(d) Afferent arteriole : carries the blood away from the glomerular towards renal vein. .
Ans: a
55 Nitrogenous waste products are eliminated mainly as
(a) urea in tadpole and ammonia in adult frog
(b) ammonia in tadpole and urea in adult frog
(c) urea in both tadpole and adult frog
(d) urea in tadpole and uric acid in adult frog .
Ans: b
56 Which of the following pairs is correctly matched?
(a) Hinge joint – Between vertebrae
(b) Gliding joint – Between zygapophyses of the successive vertebrae
(c) Cartilaginous joint – Skull bones
(d) Fibrous joint – Between phalanges .
Ans: b
57 The given diagram represents the bones of human arm. Identify the numbered bones.
Ans: b
58 Which of the following statements is/are correct?
(i) During muscle contraction, isotropic band gets elongated.
(ii). Acetylcholine is released when the neural signal reaches the motor end plate.
(iii) Muscle contraction is initiated by the signal sent by CNS a sensory neuron.
(iv) Repeated activation of muscle can lead to lactic acid accumulation.
(a) (i) and (iii) are correct.
(b) (ii) and (iv) are correct.
(c) (i), (ii) and (iii) are correct.
(d) (ii), (iii) and (iv) are correct. .
Ans: b
59 Which ion is essential for muscle contraction?
(a) Na+
(b) K+
(c) Ca++
(d) Cl–.
Ans: c
60 Synovial fluid is present in
(a) spinal cavity
(b) cranial cavity
(c) freely movable joints
(d) fixed joints .
Ans: c
61 Malleus is a part of
(a) fore limbs of vertebrates
(b) reproductive organs of cockroach
(c) auditory ossicles of middle ear of rabbit
(d) skull of frog. .
Ans: c
62 Major protein in the thick filament of skeletal muscle fibre is
(a) tropomyosin
(b) myosin
(c) actin
(d) troponin.
Ans: b
63 Largest synovial joint is
(a) hip joint
(b) knee joint
(c) shoulder joint
(d) ankle joint .
Ans: b
64 In old age stiffness of joints is due to the
(a) hardening of bones
(b) inefficiency of muscles
(c) decrease in synovial fluid
(d) enlargement of bones .
Ans: c
65 Statement-1 : Knee joint is an example of hinge joint.
Statement-2 : Femur, Patella and Fibula are associated with knee joint.
(a) Both Statement-1 and Statement-2 is True and Statement-2 is the correct explanation of Statement-1.
(b) Both Statement-1 and Statement-2 is True and Statement-2 is NOT th e correct explanation of Statement-1.
(c) Statement-1 is True but Statement-2 is False.
(d) Statement-1 is False but Statement-2 is True. .
Ans: d
66 Choose the correct option.
Type of Synovial joint ----Bone involved
A. Ball and Socket joint -> I. Carpal and Metacarpal of thumb
B. Hinge joint ->II. Humerus and Pectoral girdle
C. Pivot joint -> III. Knee
D. Saddle joint -. IV. Atlas and Axis
(a) A – I, B – II, C – III, D – IV
(b) A – II, B – III, C – IV, D – I
(c) A – III, B – I, C – IV, D – II
(d) A – IV, B – III, C – II, D – I .
Ans: b
67 Which one is a ball and socket joint?
(a) Knee joint
(b) Elbow joint
(c) Humerus and pectoral girdle
(d) Skull and atlas .
Ans: c
68 That part of the brain which is involved in
interpreting an input, storing input information
and initiating a response in the light of similar
past experience is
(a) motor area
(b) sensory area
(c) association area
(d) pons .
Ans: c
69 Internal ear is filled with
(a) perilymph
(b) endolymph
(c) lymph
(d) Both
Ans: d
70 The nodes of ranvier are
(a) the points in which the axon is exposed
(b) the contact points found over the non-myelinated nerve fiber
(c) areas in which the axons swell up
(d) areas where the neurilemma touches the axon .
Ans: a
71 Function of iris is to
(a) move lens forward and backward
(b) refract light rays
(c) bring about movements of eye lids
(d) alter the size of pupil .
Ans: d
72 The hind brain consists of
(a) pons + cerebellum
(b) hypothalamus + cerebellum
(c) medulla oblongata + cerebellum
(d) medulla oblongata + cerebellum + pons .
Ans: d
73 The membranes enclosing the brain and spinal cord are known as
(a) meninges
(b) meningitis
(c) nephron
(d) axon .
Ans: a
74 A small region on the retina of the eye which contains only cones is called –
(a) area centralis
(b) fovea centralis
(c) blind spot
(d) ora serrata.
Ans: b
75 The point in eye of mammals from which optic nerves and blood vessels leaves the eye ball is
(a) yellow spot
(b) blind spot
(c) pars optica
(d) None of these.
Ans: b
76 Aqueous humor and vitreous humor are secreted by
(a) iris
(b) ciliary body
(c) lens
(d) cornea.
Ans: b
77 Which one of the following is responsible for the control of reflex action?
(a) Sensory nerves
(b) Motor nerves
(c) Sympathetic nervous system
(d) Central nervous system .
Ans: d
78 Schwann cell is found around :
(a) axon
(b) cyton
(c) dendrite
(d) dendron.
Ans: a
79 The pathway of reflex arc as :
(a) sense organ, spinal cord, motor neuron, sensory neuron, muscle
(b) sense organ, sensory neuron, motor neuron spinal cord, muscle
(c) sense organ, motor neuron, spinal cord, sensory neuron, muscle
(d) sense organ, motor neuron, spinal cord, sensory neuron, muscle .
Ans: c
80 Light rays entering the eye is controlled by
(a) pupil
(b) iris
(c) cornea
(d) lens.
Ans: a
81 Which of the following statements is correct about Rods compared to Cones?
(i) Rods are most numerous in the fovea.
(ii) Rods contain rhodopsin.
(iii) Rods produce general outlines of objects rather than sharp images.
(iv) Rods produce black and white but not colour images.
(a) (i), and (ii) only
(b) (ii), and (iiii) only
(c) (i), (ii) and (iii) only
(d) (ii), (iii) and (iv) only .
Ans: d
82 Trace the correct sequence for pathway of light through the eye to the retina?
(a) Conjunctiva - Cornea - Aqueous humour - Pupil - Lens - Vitreous humour - Yellow spot.
(b) Cornea- Conjunctiva- Vitreous humour-Lens- Pupil - Aqueous humour - Yellow spot
(c) Conjunctiva- Cornea - Vitreous humour - Lens - Pupil - Aqueous humour - Yellow spot
(d) Cornea - Conjunctiva - Aqueous humour - Pupil- Lens - Vitreous humour - Yellow spot .
Ans: a
83 Norepinephrine hormone is secreted from
(a) zona glomerulosa
(b) zona fasiculata
(c) zona reticularis
(d) medulla of adrenal.
Ans: d
84 Thyroid deficiency leads to in infants
(a) hypothyroidism
(b) myxedema
(c) cretinism
(d) thyrotoxicosis .
Ans: c
85 Adrenals are located above
(a) pancreas
(b) intestine
(c) kidney
(d) duodenum .
Ans: c
86 Insulin is secreted by
(a) a-cells of pancreas
(b) b-cells of pancreas
(c) spleen
(d) mucosa of oesophagus .
Ans: b
87 Estrogen is secreted by
(a) liver
(b) spleen
(c) ovaries
(d) pituitary.
Ans: c
88 Which one of the following four glands is correctly matched with the accompanying description?
(a) Thyroid – Hyperactivity in young children causes cretinism
(b) Thymus – Starts undergoing atrophy after puberty
(c) Parathyroid – Secretes parathormone which promotes movement of calcium ions from blood into bones during calcification
(d) Pancreas – Delta cells of Islets of Langerhans secrete a hormone which stimulates glycolysis in liver .
Ans: b
89 Mammals born without a thymus gland fail to manufacture?
(a) B - lymphocytes
(b) T - lymphocytes
(c) plasma cells
(d) basophils.
Ans: b
90 Which gland is both exocrine as well as endocrine ?
(a) Pituitary
(b) Mammary gland
(c) Thyroid
(d) Pancreas.
Ans: d
91 According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will
(a) not respond to the hormone
(b) continue to respond to hormone without any difference
(c) continue to respond to the hormone but in the opposite way
(d) continue to respond to the hormone but will require higher concentration .
Ans: a
92 Hormone secreted by pituitary gland are
(a) all steroids
(b) some steroids, some proteinoids
(c) simple protein
(d) proteins or glycoproteins .
Ans: d
93 Receptors for protein hormones are found
(a) inside nucleus
(b) inside cytoplasm
(c) on surface of ER
(d) on cell surface.
Ans: d
94 Secretin stimulates the activity of
(a) liver
(b) gastric gland
(c) pancreas
(d) gall-bladder.
Ans: c
95 Stimulation of uterine contraction during child birth is brought about by
(a) adrenaline
(b) progesterone
(c) oxytocin
(d) prolactin.
Ans: c
96 Hormone connected with osmoregulation is
(a) oxytocin
(b) parathormone
(c) androgen
(d) vasopressin.
Ans: d
97 Insulin promotes
(a) glycogenesis
(b) glycolysis
(c) gluconeogenesis
(d) glycogenolysis .
Ans: a
98 Immediate cause of induction of ovulation in human female is large in plasma surge of
(a) progesterone
(b) LH
(c) FSH
(d) estradiol.
Ans: b
99 Thymosin stimulates
(a) milk secretion
(b) erythrocytes
(c) T-lymphocytes
(d) melanocytes.
Ans: c
100 Chemically hormones are
(a) biogenic amines only
(b) proteins, steroids and biogenic amines
(c) proteins only
(d) steroids only .
Ans: b
(a) enterokinase
(b) cholecystokinin
(c) trypsinogen
(d) secretin .
Ans: b
2 What is common among amylase, rennin & trypsin?
(a) They are all proteins
(b) They are proteolytic enzymes
(c) They are produced in stomach
(d) They are act at pH lower than 7 .
Ans: a
3 Which is the element that hardens the tooth enamel
(a) Calcium
(b) Fluorine
(c) Iodine
(d) Sodium.
Ans: b
4 Digestion is
(a) absorption of diffusible food
(b) absorption of water
(c) throwing out of non diffusible food substances.
(d) conversion of non-diffusible ingredients into diffusion state. .
Ans: d
5 Amino groups of surplus amino acids are turned into urea in
(a) liver
(b) spleen
(c) pancreas
(d) kidneys.
Ans: a
6 Parotid salivary glands are present
(a) below the tongue
(b) below the ears
(c) in the angle between two jaws
(d) below the eye orbits .
Ans: b
7 Bilirubin and biliverdin are
(a) bile salts
(b) bile pigments
(c) bile juices
(d) bile enzymes.
Ans: b
8 Gastric juice contains which of the following enzymes?
(a) Pepsin and renin
(b) Amylase, pepsin and lipase
(c) Amylase and pepsin
(d) Insulin and glucagon .
Ans: a
9 Succus entericus is
(a) swollen area between ileum & rectum
(b) intestinal juice
(c) any swelling in gut
(d) vermiform appendix .
Ans: b
10 Essentially the work digestion means
(a) breaking food for energy
(b) building of proteins from amino acids
(c) changing organic molecules
(d) breaking complex organic molecules into smaller ones .
Ans: d
11 Digestion process in human is
(a) extracellular
(b) intracellular
(c) intercellular
(d) all the above.
Ans: a
12 Curdling of milk in small intestine takes place due to
(a) trypsin
(b) rennin
(c) ptyline
(d) chymotrypsin.
Ans: b
13 The incisor teeth are meant for
(a) biting & cutting
(b) munching
(c) munching and chewing
(d) chewing .
Ans: a
14 After absorption of digested lipids by lymphatics of small intestine, these become milky, then these lipoprotein droplets are called as
(a) chyme
(b) chyle
(c) chylomicron
(d) micelles.
Ans: c
15 Which is false ?
(a) Blood from Right side of heart is carried to lungs by pulmonary artery
(b) Pleura is double covering of kidney
(c) Pancreas is both exocrine and endocrine gland
(d) Scurvy is due to vitamin C deficiency .
Ans: b
16 Volume of air breathed in and out during normal breathing is called
(a) vital capacity
(b) I R V
(c) E R V
(d) tidal volume .
Ans: d
17 Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has been inhaling polluted air containing unusually high content of
(a) carbon disulphide
(b) chloroform
(c) carbon dioxide
(d) carbon monoxide .
Ans: d
18 Which have no specific organ for respiration but
respire ?
(a) Rabbit
(b) Cockroach
(c) Earthworm
(d) Frog.
Ans: c
19 Which is the part of pulmonary or lung division where gaseous exchange takes place?
(a) bronchiole
(b) alveolus
(c) air chamber
(d) trachea .
Ans: b
20 Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?
(a) Unstraited muscle cells
(b) Liver cells
(c) Red blood cells
(d) White blood cells .
Ans: c
21 During inspiration, the diaphragm
(a) expands
(b) shows no change
(c) contracts and flattens
(d) relaxes to become dome-shaped .
Ans: c
22 One haemoglobin carry how many molecule of
Image
O2 ?
(b) 2
(a) 4
(c) 6
(d) 8 .
Ans: a
23 Which one of the following four organs is correctly matched with its characteristics?
Column - I Column - II
Organs Characteristics
A. Bronchi Two branches of the trachea that brings air into the lungs.
B. Trachea Small flap that prevents food from entering
C. Diaphragm Dome shaped muscle that pushes on the lungs during exhalation.
D. Alveoli Pair of organs that inflate as you inhale and deflate as you exhale.
(a) A and B only
(b) C and D only
(c) A and C only
(d) B and D only.
Ans: c
24 Oxygenated blood from lungs is carried to the heart by
(a) pulmonary artery
(b) pulmonary vein
(c) coronary vein
(d) pre-cavals.
Ans: b
25 Which is correct ?
(a) Respiratory centres are not affected by CO2
(b) In humans vital capacity is just double the expiratory volume
(c) A human lung has 103 alveoli
(d) During inspiration the lungs create suction pump .
Ans: d
26 Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
(a) One can breathe out air totally without oxygen
(b) One can breathe out air through eustachian tubes by closing both the nose and the mouth
(c) One can consiously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
(d) The lungs can be made fully empty by forcefully breathing out all air from them .
Ans: b
27 Vocal cords are situated at
(a) Pharynx
(b) Larynx
(c) Glottis
(d) Bronchial tube.
Ans: b
28 Which of the following statement correctly defines Bohr effect ?
(a) Rise in p50 with a decrease in CO2 conc.
(b) Rise in p50 with decrease in pH
(c) Rise in p50 with increase in O2
(d) Fall in p50 with decrease in pH .
Ans: b
29 At higher CO2 concentration, oxygen dissociation curve of haemoglobin will
(a) move to left
(b) move to right
(c) become irregular
(d) move upwardly.
Ans: b
30 O2 is transported in vertebrates as
(a) dissolved in plasma
(b) complexed with haemoglobin
(c) dissolved in cytoplasm of erythrocytes
(d) absorbed over the RBC .
Ans: b
31 When CO2 concentration in blood increases, breathing becomes
(a) shallower and slow
(b) there is no effect on breathing
(c) slow and deep
(d) faster and deeper .
Ans: d
32 Rate of respiration is directly affected by
(a) concentration of carbon dioxide
(b) oxygen in trachea
(c) concentration of oxygen
(d) diaphragm expansion .
Ans: a
33 In man regulation of respiration and heart beat is maintained by
(a) cerebrum
(b) medulla oblongata
(c) cerebellum
(d) spinal cord .
Ans: b
34 The correct route through which pulse-making impulse travels in the heart is
(a) AV node ® bundle of His ® SA node ® Purkinje fibres ® heart muscles
(b) AV node ® SA node ® Purkinje fibres® bundle of His ® heart muscles
(c) SA node ® Purkinje fibre ® bundle of His ® AV node ® heart muscles
(d) SA node ® AV node ® bundle of His ® Purkinje fibre ® heart muscles .
Ans: d
35 Which of the following statements is/are correct?
(i) Blood group O is universal donor.
(ii) Blood group AB is universal acceptor.
(iii) Blood group A contains antigen B and anti-A antibodies
(iv) Blood group B contains antigen B and anti-A antibodies
(a) Only (i) and (ii) is correct.
(b) Only (i), (ii) and (iii) is correct.
(c) Only (i), (ii) and (iv) is correct.
(d) Only (i), (iii) and (iv) is correct. .
Ans: c
36 The name of disease connected with Rh factor is
(a) haemophilia
(b) erythropoiesis
(c) myxoedoma
(d) erythroblastosis.
Ans: d
37 What is the main difference in human and frog RBC ?
(a) Human RBC are non nucleated
(b) Haemoglobin is found only in human RBC
(c) Human RBC have nucleus
(d) Human RBC are multinucleate .
Ans: a
38 Which of the following is not the main function of lymph glands ?
(a) Forming WBC
(b) Forming RBC
(c) Forming antibodies
(d) Destroying bacteria .
Ans: b
39 The pH of blood is
(a) between 7-8
(b) between 2-4
(c) between 12-14
(d) between 2-5 .
Ans: a
40 Heart beats originate from
(a) left atrium
(b) right ventricle
(c) cardiac muscles
(d) pace maker.
Ans: d
41 Rh factor is named after
(a) monkey
(b) D
(c) rat
(d) man.
Ans: a
42 Globulins contained in human blood plasma are primarily involved in
(a) osmotic balance of body fluids
(b) oxygen transport in the blood
(c) clotting of blood
(d) defence mechanisms of body .
Ans: d
43 Pulse pressure is
(a) difference between systolic and diastolic pressure
(b) systolic pressure
(c) pressure in the great veins
(d) diastolic pressure .
Ans: a
44 Changeable threshold material in renal tubules
(a) water and glucose
(b) urea & uric acid
(c) glucose & amino acids
(d) water & salts .
Ans: d
45 What will happen if the stretch receptors of the urinary bladder wall are totally removed?
(a) Micturition will continue
(b) Urine will continue to collect normally in the bladder
(c) There will be no micturition
(d) Urine will not collect in the bladder .
Ans: c
46 Glomerular hydrostatic pressure is present in
(a) tubule of kidney
(b) bowman's capsule
(c) malpighian tubule
(d) glomerulus of uriniferous tubule .
Ans: d
47 In diabetes mellitus, the patient drinks more water as there is urinary loss of
(a) salt
(b) insulin
(c) protein
(d) glucose.
Ans: d
48 The part of the neprhon of kidney where Cl– is absorbed along with Na+ is
(a) ascending limb of Henle’s loop
(b) descending limb of Henle’s loop
(c) DCT
(d) PCT .
Ans: a
49 A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
(a) acts as a reserve during muscular exercise
(b) raise the pCO2 of blood to 75 mm of Hg
(c) is enough to keep oxyhaemoglobin saturation at 96%
(d) helps in releasing more O2 to the epithelial tissues .
Ans: a
50 Vasa rectae are peritubublar capillaries around
(a) posterior part of alimentary canal
(b) PCT
(c) loop of Henle
(d) DCT .
Ans: c
51 Kidney stones are
(a) crystals of silica
(b) crystals of calcium oxalate
(c) crystals of potassium chloride
(d) crystals of sodium bicarbonate .
Ans: b
52 Formation of concentrated (hyperosmotic) urine in vertebrates generally depends on
(a) length of the proximal convoluted tubule
(b) length of Henle's loop
(c) podocytes of Bowman's capsule
(d) capillary network forming glomerulus .
Ans: b
53 Lysozyme that is present in perspiration, saliva and tears, destroys
(a) certain types of bacteria
(b) all viruses
(c) most virus-infected cells
(d) certain fungi .
Ans: a
54 Which one of the following correctly explains the function of a specific part of a human nephron ?
(a) Podocytes : create minute spaces (slite pores) for the filtration of blood into the Bowman’s capsule
(b) Henle’s loop : most reabsorption of the major substances from the glomerular filtrate
(c) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries
(d) Afferent arteriole : carries the blood away from the glomerular towards renal vein. .
Ans: a
55 Nitrogenous waste products are eliminated mainly as
(a) urea in tadpole and ammonia in adult frog
(b) ammonia in tadpole and urea in adult frog
(c) urea in both tadpole and adult frog
(d) urea in tadpole and uric acid in adult frog .
Ans: b
56 Which of the following pairs is correctly matched?
(a) Hinge joint – Between vertebrae
(b) Gliding joint – Between zygapophyses of the successive vertebrae
(c) Cartilaginous joint – Skull bones
(d) Fibrous joint – Between phalanges .
Ans: b
57 The given diagram represents the bones of human arm. Identify the numbered bones.
Ans: b
58 Which of the following statements is/are correct?
(i) During muscle contraction, isotropic band gets elongated.
(ii). Acetylcholine is released when the neural signal reaches the motor end plate.
(iii) Muscle contraction is initiated by the signal sent by CNS a sensory neuron.
(iv) Repeated activation of muscle can lead to lactic acid accumulation.
(a) (i) and (iii) are correct.
(b) (ii) and (iv) are correct.
(c) (i), (ii) and (iii) are correct.
(d) (ii), (iii) and (iv) are correct. .
Ans: b
59 Which ion is essential for muscle contraction?
(a) Na+
(b) K+
(c) Ca++
(d) Cl–.
Ans: c
60 Synovial fluid is present in
(a) spinal cavity
(b) cranial cavity
(c) freely movable joints
(d) fixed joints .
Ans: c
61 Malleus is a part of
(a) fore limbs of vertebrates
(b) reproductive organs of cockroach
(c) auditory ossicles of middle ear of rabbit
(d) skull of frog. .
Ans: c
62 Major protein in the thick filament of skeletal muscle fibre is
(a) tropomyosin
(b) myosin
(c) actin
(d) troponin.
Ans: b
63 Largest synovial joint is
(a) hip joint
(b) knee joint
(c) shoulder joint
(d) ankle joint .
Ans: b
64 In old age stiffness of joints is due to the
(a) hardening of bones
(b) inefficiency of muscles
(c) decrease in synovial fluid
(d) enlargement of bones .
Ans: c
65 Statement-1 : Knee joint is an example of hinge joint.
Statement-2 : Femur, Patella and Fibula are associated with knee joint.
(a) Both Statement-1 and Statement-2 is True and Statement-2 is the correct explanation of Statement-1.
(b) Both Statement-1 and Statement-2 is True and Statement-2 is NOT th e correct explanation of Statement-1.
(c) Statement-1 is True but Statement-2 is False.
(d) Statement-1 is False but Statement-2 is True. .
Ans: d
66 Choose the correct option.
Type of Synovial joint ----Bone involved
A. Ball and Socket joint -> I. Carpal and Metacarpal of thumb
B. Hinge joint ->II. Humerus and Pectoral girdle
C. Pivot joint -> III. Knee
D. Saddle joint -. IV. Atlas and Axis
(a) A – I, B – II, C – III, D – IV
(b) A – II, B – III, C – IV, D – I
(c) A – III, B – I, C – IV, D – II
(d) A – IV, B – III, C – II, D – I .
Ans: b
67 Which one is a ball and socket joint?
(a) Knee joint
(b) Elbow joint
(c) Humerus and pectoral girdle
(d) Skull and atlas .
Ans: c
68 That part of the brain which is involved in
interpreting an input, storing input information
and initiating a response in the light of similar
past experience is
(a) motor area
(b) sensory area
(c) association area
(d) pons .
Ans: c
69 Internal ear is filled with
(a) perilymph
(b) endolymph
(c) lymph
(d) Both
Ans: d
70 The nodes of ranvier are
(a) the points in which the axon is exposed
(b) the contact points found over the non-myelinated nerve fiber
(c) areas in which the axons swell up
(d) areas where the neurilemma touches the axon .
Ans: a
71 Function of iris is to
(a) move lens forward and backward
(b) refract light rays
(c) bring about movements of eye lids
(d) alter the size of pupil .
Ans: d
72 The hind brain consists of
(a) pons + cerebellum
(b) hypothalamus + cerebellum
(c) medulla oblongata + cerebellum
(d) medulla oblongata + cerebellum + pons .
Ans: d
73 The membranes enclosing the brain and spinal cord are known as
(a) meninges
(b) meningitis
(c) nephron
(d) axon .
Ans: a
74 A small region on the retina of the eye which contains only cones is called –
(a) area centralis
(b) fovea centralis
(c) blind spot
(d) ora serrata.
Ans: b
75 The point in eye of mammals from which optic nerves and blood vessels leaves the eye ball is
(a) yellow spot
(b) blind spot
(c) pars optica
(d) None of these.
Ans: b
76 Aqueous humor and vitreous humor are secreted by
(a) iris
(b) ciliary body
(c) lens
(d) cornea.
Ans: b
77 Which one of the following is responsible for the control of reflex action?
(a) Sensory nerves
(b) Motor nerves
(c) Sympathetic nervous system
(d) Central nervous system .
Ans: d
78 Schwann cell is found around :
(a) axon
(b) cyton
(c) dendrite
(d) dendron.
Ans: a
79 The pathway of reflex arc as :
(a) sense organ, spinal cord, motor neuron, sensory neuron, muscle
(b) sense organ, sensory neuron, motor neuron spinal cord, muscle
(c) sense organ, motor neuron, spinal cord, sensory neuron, muscle
(d) sense organ, motor neuron, spinal cord, sensory neuron, muscle .
Ans: c
80 Light rays entering the eye is controlled by
(a) pupil
(b) iris
(c) cornea
(d) lens.
Ans: a
81 Which of the following statements is correct about Rods compared to Cones?
(i) Rods are most numerous in the fovea.
(ii) Rods contain rhodopsin.
(iii) Rods produce general outlines of objects rather than sharp images.
(iv) Rods produce black and white but not colour images.
(a) (i), and (ii) only
(b) (ii), and (iiii) only
(c) (i), (ii) and (iii) only
(d) (ii), (iii) and (iv) only .
Ans: d
82 Trace the correct sequence for pathway of light through the eye to the retina?
(a) Conjunctiva - Cornea - Aqueous humour - Pupil - Lens - Vitreous humour - Yellow spot.
(b) Cornea- Conjunctiva- Vitreous humour-Lens- Pupil - Aqueous humour - Yellow spot
(c) Conjunctiva- Cornea - Vitreous humour - Lens - Pupil - Aqueous humour - Yellow spot
(d) Cornea - Conjunctiva - Aqueous humour - Pupil- Lens - Vitreous humour - Yellow spot .
Ans: a
83 Norepinephrine hormone is secreted from
(a) zona glomerulosa
(b) zona fasiculata
(c) zona reticularis
(d) medulla of adrenal.
Ans: d
84 Thyroid deficiency leads to in infants
(a) hypothyroidism
(b) myxedema
(c) cretinism
(d) thyrotoxicosis .
Ans: c
85 Adrenals are located above
(a) pancreas
(b) intestine
(c) kidney
(d) duodenum .
Ans: c
86 Insulin is secreted by
(a) a-cells of pancreas
(b) b-cells of pancreas
(c) spleen
(d) mucosa of oesophagus .
Ans: b
87 Estrogen is secreted by
(a) liver
(b) spleen
(c) ovaries
(d) pituitary.
Ans: c
88 Which one of the following four glands is correctly matched with the accompanying description?
(a) Thyroid – Hyperactivity in young children causes cretinism
(b) Thymus – Starts undergoing atrophy after puberty
(c) Parathyroid – Secretes parathormone which promotes movement of calcium ions from blood into bones during calcification
(d) Pancreas – Delta cells of Islets of Langerhans secrete a hormone which stimulates glycolysis in liver .
Ans: b
89 Mammals born without a thymus gland fail to manufacture?
(a) B - lymphocytes
(b) T - lymphocytes
(c) plasma cells
(d) basophils.
Ans: b
90 Which gland is both exocrine as well as endocrine ?
(a) Pituitary
(b) Mammary gland
(c) Thyroid
(d) Pancreas.
Ans: d
91 According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will
(a) not respond to the hormone
(b) continue to respond to hormone without any difference
(c) continue to respond to the hormone but in the opposite way
(d) continue to respond to the hormone but will require higher concentration .
Ans: a
92 Hormone secreted by pituitary gland are
(a) all steroids
(b) some steroids, some proteinoids
(c) simple protein
(d) proteins or glycoproteins .
Ans: d
93 Receptors for protein hormones are found
(a) inside nucleus
(b) inside cytoplasm
(c) on surface of ER
(d) on cell surface.
Ans: d
94 Secretin stimulates the activity of
(a) liver
(b) gastric gland
(c) pancreas
(d) gall-bladder.
Ans: c
95 Stimulation of uterine contraction during child birth is brought about by
(a) adrenaline
(b) progesterone
(c) oxytocin
(d) prolactin.
Ans: c
96 Hormone connected with osmoregulation is
(a) oxytocin
(b) parathormone
(c) androgen
(d) vasopressin.
Ans: d
97 Insulin promotes
(a) glycogenesis
(b) glycolysis
(c) gluconeogenesis
(d) glycogenolysis .
Ans: a
98 Immediate cause of induction of ovulation in human female is large in plasma surge of
(a) progesterone
(b) LH
(c) FSH
(d) estradiol.
Ans: b
99 Thymosin stimulates
(a) milk secretion
(b) erythrocytes
(c) T-lymphocytes
(d) melanocytes.
Ans: c
100 Chemically hormones are
(a) biogenic amines only
(b) proteins, steroids and biogenic amines
(c) proteins only
(d) steroids only .
Ans: b
