zoology for medical entrance Exam

zoology for medical entrance Exam
Zoology For Medical Entrance Exams Online Practice Test
Solved Paper – Zoology – BHU Medical Entrance Exam
MCQ in Zoology for Medical entrance examination Zoology
1. The first heart sound is produced when:
(a) Systole begins
(b) Diastole begins
(c) Semilunar valve closed
(d) Bicuspid and tricuspid valve close quickly
Ans. (d)

2. The sequence of ear ossicles of vertebrates starting from tympanum is:
(a) Malleus, incus and stapes
(b) Stapes, incus and malleus
(c) Incus, stapes and malleus
(d) Incus, malleus and stapes
Ans. (a)

3. At high altitude, the RBCs in human blood:
(a) Increase in number
(b) Decrease in number
(c) Increase in size
(d) Decrease in size
Ans. (a)

4. Which of the following changes for man in the course of evolution, is probably useless?
(a) Development of opposable thumb
(b) Loss of tail
(c) Development of being erect
(d) Development of cranial capacity
Ans. (b)

5. The endothelium of blood vessel is composed of:
(a) Squamous epithelium
(b) Cuboids epithelium
(c) Columnar epithelium
(d) Ciliated epithelium
Ans. (a)

6. Bilirubin and bilivirdin are:
(a) Bile salts
(b) Bile pigments
(c) Bile juices
(d) Bile enzymes
Ans. (b)

7. Homoeothermic animals are
(a) Pigeon and toad
(b) Pigeon and rabbit
(c) Toad and rabbit
(d) Lizard and pigeon
Ans. (b)

8. In frog, mesorchium is a thin fold of membrane extending between
(a) Two testes
(c) Liver to testes
(b) Two kidneys
(d) Kidney to testes
Ans. (a)

9. Piercing and sticking mouth parts are found in:
(a) locust
(b) Butterfly
(c) Mosquito
(d) House fly
Ans. (c)

10. Monogamic ratite bird is
(a) Ostrich
(b) Pigeon
(c) Emu
(d) Kite
Ans. (c)

11. Primary consumer of a biotic community is:
(a) Plant
(b) Herbivore
(c) Carnivore
(d) Decomposer
Ans. (b)

12. Which of the following teeth are lophodont?
(a) Premolar and molar
(b) Premolar and incisor
(c) Incisor and canine
(d) Canine and premolar
Ans. (a)

13. Heparin is formed by
(a) Kidney cells
(c) Liver cells
(b) Blood cells
(d) Bone marrow
Ans. (c)

14. Characteristic feature of fishes is
(a) Tail and venous heart
(b) Venous heart and gills
(c) Epidermal scales and tail
(d) Epidermal scales and gills ‘
Ans. (b)

15. The term protoplasm was given by:
(a) Fischer
(b) Purkinje
(c) Dujardin
(d) Brown
Ans. (b)

16. The oxidative breakdown of respiratory substrates with the help of oxygen is termed as:
(a) Fermentation
(b) Combustion
(c) Anaerobic respiration
(d) Aerobic respiration
Ans. (d)

17. Excretion in Amoeba occurs through:
(a) Rhizopodia
(b) Contractile vacuole
(c) Plasma membrane
(d) Mitochondria
Ans. (c)

18. Fats and oils are:
(a) Glycerol and trialcohols
(b) Glycerol and essential oils
(c) Esters and aromatic alcohol
(d) Triglycerides of long chain of fatty acid
Ans. (d)

19. Cytochrome is found in:
(a) Mitochondrial matrix
(b) Outer membrane of mitochondria.
(c) Cristae of mitochondria
(d) Per mitochondrial space
Ans. (c)

20. Formation of bivalent, during, meiosis, occurs in:
(a) Zygotene
(b) Diplotene
(c) Leptotene
(d) Pachytene
Ans. (a)

21. A non-parasitic animal is:
(a) Plasmodium
(b) Leech
(c) Tape worm
(d) Sea anemone
Ans. (d)

22. The nuclease enzyme begins its attack from free end of a polynucleotide is
(a) Kinase
(b) Exonuclease
(c) Polymerase
(d) Endonuclease
Ans. (b)

23. The opening of spermathecae in earthworm are found in:
(a) 6, 7, 8 and 9 segments ventrolaterally
(b) 5, 6, 7 and 8 segments ventrally
(c) 10, 11, 12 and 13 segments laterally
(d) 4, 5, 6 and 7 segments dorsally
Ans. (a)

24. Glaucoma disease occurs:
(a) Due to uneven curvature f cornea
(b) Opaque lenses
(c) Lens destroyed
(d) Schema’s canal is blocked
Ans. (d)

25. Ichthyophis is a member of:
(a) Reptilian
(b) Amphibian
(c) Ayes
(d) Mammals
Ans. (b)

26. Hermit crab and sea anemone relationship is:
(a) Mutualism
(b) Parasitism
(c) Commensalisms
(d) Symbiotism
Ans. (c)

27 Mammalian kidneys is:
(a) Pronephros
(b) Epinephros
(c) Mesonephros
(d) Metanephros
Ans. (d)

28. The function of epiphysis is:
(a) Protect the bone
(b) Growth of bone
(c) Check the growth of bone
(d) all of the above
Ans. (b)

29. A child having blood group ‘O’ does not have the parents with blood group:
(a) O, O
(b) B, A
(c) AB, O
(d) AB, AB
Ans. (d)

30. Cockroach and other insects have blood which
(a) Resembles human blood in colour
(b) Has RBCs
(c) Circulates through arteries and veins
(d) Circulates through an open system
Ans. (d)

31. Albinos have been reported in
(a) White race
(b) Black race
(c) Both (a) and (b)
(d) None of these
Ans. (c)

32. Cranial capacity of Australopithecus was
(a) 350—450 cm3
(b) 650—700 cm3
(c) 1050—1150 cm3
(d) 1400—1450 cm3
Ans. (a)

33. Exoskeleton/scales are absent in
(a) Fishes
(b) Retiles
(c) Ichthyophis
(d) Rana tigrina
Ans. (d)

34. Which law of evolution states that “warm-blooded” mammals of hot and humid areas have abundant melanin pigment?
(a) Dollo’s law
(b) Gloger’s law
(c) Cope’s law
(d) Gause’s law
Ans. (b)

35. Reason of death of a patient of cobra-bite is
(a) Destruction of RBC5
(b) Inactivation of nerves
(c) Permanent contraction of muscles
(d) None of the above
Ans. (b)

36. The most important component of contraceptive pills is
(a) Progesterone
(b) Growth hormone
(c) Thyroxine
(d) Luteinizing hormone
Ans. (a)

37. Yolk plug forms during
(a) morula-formation
(b) blastula-formation
(c) Gastrula
(d) Neurulation
Ans. (c)

38. In which of the following only cone cells are found?
(a) Fovea centralis
(b) Retina
(c) Fossa ovalis
(d) Blind spots
Ans. (a)

39. Hepatic portal system collects blood from
(a) Liver
(b) Lungs
(c) Kidney
(d) Alimentary canal
Ans. (d)

40. The first digit of the forearm is termed
(a) Pollex
(b) Hallux
(c) Pollux
(d) None of these
Ans. (a)

41. Bidder’s canal is meant for passage of
(a) Ova
(b) Urine
(c) Sperms
(d) All of these
Ans. (c)

42. Striped muscle fibre has
(a) One nucleus
(b) Two nucleus
(c) Many nuclei
(d) No nuclei
Ans. (c)

43. Billroth’s cords are characteristic of
(a) spinal cord
(b) Notochord
(c) Nerve cord
(d) Spleen
Ans. (d)

44. Nuhn’s glands are present in
(a) Intestine
(b) Tongue
(c) Skin
(d) Stomach
Ans. (b)

45. Amylopsin acts upon
(a) Polysaccharide in any medium
(b) Polysaccharide in acidic medium
(c) Polysaccharide in alkaline medium
(d) Polypeptides
Ans. (c)

46. Hypoxia is the condition in which less oxygen becomes available to the tissues. This may be due to
(a) Lesser oxygen in the atmosphere
(b) More CO in air
(c) Less RBCs in blood
(d) all of the above
Ans. (d)

47. Carotid labyrinth contains
(a) Olfactoreceptors
(b) Baroreceptors
(c) Chemoreceptors
(d) Phonoreceptors
Ans. (b)

48. Juxtaglomerular cells of renal cortex synthesizes a hormone called
(a) ADH
(b) Oxytoxin
(c) Renin
(d) Urochrome
Ans. (c)

49. Corpora striata occur in
(a) cerebrum
(b) Cerebellum
(c) Medulla
(d) Diencephalons
Ans. (a)

50. A point mutation comprising the substitution of purine by pyramidine is called
(a) Deletion
(b) Transition
(c) Transversion
(d) Translocation
Ans. (c)

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