Monday, May 9, 2011

objective zoology for PMT


objective zoology for PMT

objective zoology for PMT
Objective Biology Zoology for PMT 10+2
Free Biology Cbse Pmt Online Practice Test
1. Three most abundant elements in protoplasm are
(a) carbon, sodium and hydrogen
(b) carbon, hydrogen and O2
(c) nitrogen, carbon and O2
(d) carbon, phosphorus and oxygen
Ans. (b)
2. External ears are characteristics of:
(a) mammals
(b) reptiles
(c) amphibian
(d) pisces
Ans. (a)
3. Which of the following statement is not true?
(a) Animal cells never contain chloroplast unlike many plant cells
(b) Animal cells contain ultra scopic chloroplast while plant cells contain micro-scopic chloroplast
(c) Plant cells have cellulosic cell wall while animal cells do not
(d) Plant cells have central vacuoles while animal cells do not
Ans. (b)
4. Trypnosoma is transmitted by:
(a) contamination
(b) inoculation
(c) contagious
(d) touch
Ans. (b)
5. Point mutation can be created by:
(a) deletion
(b) insertion or addition
(c) both (a) and (b)
(d) none of the above
Ans. (c)
6. Mitochondria are often seen aggregated around:
(a) food vacuole
(b) contractile vacuole
(c) water vacuole
(d) all of these
Ans. (b)
7. Protein which is both enzymatic and structural:
(a) trypsin
(b) actin
(c) troponin
(d) myosin
Ans. (d)
8. When an animal turns sideways to the Sun to get the maximum amount of sun on its flanks, this is an example of:
(a) motivation
(b) habitation
(c) posture
(d) orientation
Ans. (d)
9. Insulin and glucagon:
(a) both are lipids
(b) both are protein
(c) insulin is protein and glucagon is lipid
(d) Insulin is lipid and glucagon is a protein
Ans. (b)
10. Addison’s disease results from:
(a) hypertrophy of gonad
(b) hyposecretion of adrenal cortex
(c) hyperactivity of leydig cells
(d) none of the above
Ans. (b)
11. During diastole, the heart is filled with:
(a) deoxygenated blood
(b) venous blood
(c) mixed blood
(d) oxygenated blood
Ans. (b)
12. Receptors of sensation produced when a person eats red chillies are located on which part of tongue?
(a) Tip
(b) Base
(c) Side
(d) None of these
Ans. (c)
13. Colorado tick fever is caused by the agent:
(a) bacteria
(b) virus
(c) Nematoda
(d) fungi
Ans. (c)
14. Gemmule formation in sponges is helpful in:
(a) sexual reproduction
(b) asexual reproduction
(c) only dissemination
(d) none of the above
Ans. (b)
15. The coelomic fluid oozes from the surface of earthworms to keep the skin moist, it escapes from:
(a) coelomic pores
(b) dorsal pores
(c) nephridiopores
(d) genital pores
Ans. (b)
16. Chloragogen cells of earthworms are analogous to vertebrate:
(a) lungs
(b) liver
(c) gut
(d) kidney
Ans. (b)
17. Haemophilia in man causes:
(a) blindness
(b) loss of haemoglobin
(c) no clotting of blood
(d) rickets
Ans. (c)
18. House fly possesses:
(a) two pairs of wings
(b) one pair of wing
(c) three pairs of wings
(d) none of the above
Ans. (b)
19. This is not the cell of areolar tissue:
(a) macrophages
(b) Schwann cell
(c) plasma cell
(d) adipose cell
Ans. (b)
20. Vermiform appendix is a part of:
(a) alimentary canal
(b) nervous system
(c) vascular system
(d) reproductive system
Ans. (a)
21. The lytic enzymes released by sperm are:
(a) acrosome
(b) ligase
(c) androgamone
(d) hyaluronidase
Ans. (d)
22. The digestion of starch by amylase is completed in the:
(a) mouth
(b) oesophagus
(c) stomach
(d) duodenum
Ans. (a)
23. Indentify the edible freshwater teleosts:
(a) sharks
(b) rays and skates.
(c) hilsa ilisha
(d) catla catla
Ans. (d)
24. In bacteria OriC consists of:
(a) 1240 nucleotides
(b) 540 nucleotides
(c) 110 nucleotides
(d) 245 nucleotides
Ans. (d)
25. Nissi’s granules are characteristic of:
(a) muscle tissue
(b) connective tissue
(c) nerve tissue
(d) epithelial tissue
Ans. (c)
26. Joint between femur and acetabulum is known as:
(a) ball and socket joint
(b) pivotal joint
(c) hind joint
(d) saddle joint
Ans. (a)
27. Believers in spontaneous generation theory assumed that:
(a) organisms arose only from other similar organisms
(b) organisms could arise oily from air
(c) organisms arose-from non-living material
(d) organisms always arise from air
28. Which one are correctively matched?
(a) Vitamin E-tocopherol
(b) Vitamin D-riboflavin
(c) Vitamin B-calciferol
(d) Vitamin A-thiamine
Ans. (a)
29. Which fish selectively mosquito?
(a) Gambusia
(b) Rohu
(c) Clarias
(d) Exocoetus
Ans. (a)
30. Gill cover is absent in
(a) Shark
(c) Salmon
(b) Labeo
(d) All of these
Ans. (a)
31. The cyst wall of Euglena is made up of
(a) Lipids
(b) Histones
(c) Carbohydrates
(d) Lipoproteins
Ans. (c)
32. The class of coelenterate which exhibits polymorphism?
(a) Hydrozoa
(b) Scyphozoa
(c) Anthozoa
(d) All of these
Ans. (a)
33. Which pairing is not correct?
(a) Stegomyia — Yellow fever
(b) Pediculus —Trench fever
(c) Culex — Malaria
(d) Xenopsylla —Bubonic plague
Ans. (c)
34. ADP contains:
(a) One high energy bond
(b) Two high energy bond
(c) Three high energy bond
(d) Four high energy bond
Ans. (a)
35. Retroviruses have:
(a) Only RNA as genetic material
(b) Only DNA as genetic material
(c) Both DNA and RNA
(d) Genes on nucleoprotein complexes as genetic material
Ans. (a)
36. Which of the following is colourless Hydra?
(a) Hydra fusca
(b) Hydra viridis
(c) Hydra oligactis
(d) Hydra vulgaris
Ans. (d)
37. The blood cells are formed in bone marrow. The process is known as:
(a) Haemolysis
(b) Erythroblastosis
(c) Haemopoiesis
(d) Thrombopoiesis
Ans. (c)
38. Transfer of genes from one bacterium to another through viruses, is called:
(a) Transduction
(b) Transformation
(c) Transcription
(d) Transition
Ans. (a)
39. Power of regeneration in sponges is due to
(a) Theocytes
(b) Amoebocytes
(c) Archaeocytes
(d) Scleroblast
Ans. (b)
40. Blood of Pheretima is:
(a) Blue with Haemocyanin in corpuscles
(b) Blue with hemoglobin in corpuscles
(c) Red with hemoglobin in corpuscles
(d) Red with hemoglobin in plasma
Ans. (d)
41. Function of rectal papillae of cockroach is:
(a) Absorption of amino acids
(b) Absorption of fats
(c) Absorption of glucose
(d) Absorption of water
Ans. (d)
42. Blood of Balanoglossus is:
(a) Red
(b) Blue
(c) Green
(d) Colourless
Ans. (d)
43. In fishes the lateral line receptors are neuromast organs. These are:
(a) Olfactoreceptors
(b) Gustoreceptors
(c) Rheoreceptors
(d) Chemoreceptors
Ans. (c)
44. The flight muscles of birds are attached to:
(a) Coracoids
(b) Scapula
(c) Keel of sternum
(d) Clavicle
Ans. (c)
45. Stenson’s duct opens at:
(a) Upper first premolar
(b) Upper 2nd premolar
(c) Upper first molar
(d) Upper second molar
Ans. (d)
46. Enterokinase takes part in conversion of:
(a) Pepsinogen to pepsin
(b) Trypsinogen to trypsin,
(c) Protein into polypeptides
(d) Caseinogen into casein
Ans. (b)
47. Depression of nervous system including the respiratory centre is called:
(a) Neuritis
(b) Sciatica
(c) Neuralgia
(d) Narcosis
Ans. (d)
48. Which has the thickest walls?
(a) Right atrium
(b) Left atrium
(c) Right ventricle
(d) Left ventricle
Ans. (d)
49. Digital formula of arms in man is:
(a) 0, 2, 3, 3, 3
(b) 0, 3, 2, 3, 3
(c) 2, 2, 3, 3, 3
(d) 2, 3, 3, 3, 3
Ans. (d)
50. The number of ribs in our body are:
(a) 10
(b) 12
(c) 24
(d) 36
Ans. (c)


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