Quiznetik

Biology | Set 30

1. What type of process the transmission of nerve impluse is ?

Correct : B. Electro -chemical

2. What is correct for the resting potential

Correct : C. On outerside a plasma membrane + ve charge and innerside is -ve charge

3. That is correct for unstimulated nerve- fibre ?

Correct : A. Resting potential

4. Which option is correct for ion chhanel ?

Correct : D. They are consist of protein

5. Which option indicates correct chronology of the changes occuring during transmission of nerve impulse ?

Correct : A. Nerve fibre - depolarization - action polential - repolarization - activation of Na+ and K+ pump

6. Which of the following is used to measure membrane potential ?

Correct : C. Voltmeter

7. What is responsible for the opening and closing of ion-channel ?

Correct : A. Electrical changes & Chemical Changes

8. What does "a" and "b" indicate in the given diagram ?

Correct : D. a = Presynaptic bulb b = Secretion neurotranmitter

9. What does “a” indicate in the given diagram

Correct : B. Depolarization

10. In context with conduction of nerve impulse,what is the function of ion channels ?

Correct : D. All of the given

11. When sodium and potassium pump is activated, for (a) Na+ ion, (b) K+ ion are exchanged ?

Correct : C. a = two , b= three

12. The transfer of ion through ion channel is (a) and (b)

Correct : A. a = Bidirectional, b= selectively permeable

13. What is the swollen, structure present at terminal end of each branch of nerve cell called ?

Correct : D. synaptic knob

14. Which option is correct for the correctly matched groups for the column i;column ii and column Column I Column II Column III (a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it (b) Active potential (ii) Na+ Channel is closed (f) Last for very short time (c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes (d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane

Correct : C. (a-iii-e) (b-iv-f) (c-i-h) (d-ii-g)

15. Which of the following generally transumit nerve inpulse only to the cyton ?

Correct : B. Dendrite

16. What is correct in reference with nerve impulse ?

Correct : A. Self-induced and unidirectional

17. ____________ is wraped by cerebrum ?

Correct : A. Thalamu

18. The weight of human brain is a and b neuron in it.

Correct : B. a = 1200 to 1400g b =1000 billion b = 100 billion

19. Which of the follwing is a thin transparent nonvasscular meninges around CNS ?

Correct : C. Arachnoid

20. Which of the following option indicates correct chronology of the meninges from cranium to CNS ?

Correct : A. Dura mater Arachanoid  Pia mater

21. Which of the following option is the correct option for the inner most meninges of CNS ?

Correct : B. Thin and vascularized

22. Which of the following is toughest ?

Correct : C. Dura mater

23. Which of the following is adherent to brain ?

Correct : B. Pia mater

24. Which of the following does not have lumen ?

Correct : B. cerebellar hemisphere

25. Which of the following is not related to fore brain ?

Correct : B. Inferior Collicule

26. Which of the following have major co-ordinating centres for sensory and motor signal

Correct : D. Thalamus

27. It has centres to regulate body temperature ?

Correct : B. Hypothalamus

28. a and b are the regions of Limbic system

Correct : B. a = Amygdala b = thalamus

29. Limbic system along with ________ regulates sexual behaviour ?

Correct : A. Hypothalamu

30. Mid brain is located between a and b ?

Correct : D. a = Diencephalon b = Medulla oblongata b = Pons

31. Which option show correctly matched pairs for the column I and column II ? column I column II (P) cerebrum (i) 3rd ventricle (Q) Diencephalon (ii) connect 3rd ventricle with 4th ventricle (R) Medulla oblongata (iii) 4th ventricle (S) Iter (iv) 1st and 2nd ventricle (T) Forman of Manro (v) connects 1st and 2nd ventricle with 3rd ventricle

Correct : C. (P - iv), (Q - i), (R - iii), (S - v), (T - ii)

32. Cercbral aqueduct passes through a and it opens into b ?

Correct : A. a = mid brain

33. On which side of the brain corpora quadrigemina is present ?

Correct : A. Dorsal

34. What is the function of superior colliculi of mid brain ?

Correct : C. To control visual reflex

35. What is posterior choroid pleues ?

Correct : A. Non nervous epithelial folded roof

36. spot the odd ( in terms of type of reflex)

Correct : A. Secretion of saliva on seeing tasty of food

37. Several examples of reflexes are given here, which of the given option indicates all correct examples of Conditoned reflex ? Examples (i) Prejudices (ii) Heart - beat (iii) Peristalsis (iv) dis-liking (v) Habits

Correct : C. (i), (iv) and (v)

38. Which layer of an eye is transperant and thin

Correct : A. Outer sclera

39. Which regions of eye is consist of dense connective tissue ?

Correct : A. sclera

40. Which of the following option is correct for mechanism of vision

Correct : A. Light - photosensitive cell - scotopsin - dissociate - signal to ganglion cell - transmission of signal to visual area

41. What is the stiff edge of pinna called ?

Correct : D. Helix

42. Which of the following option is correct for the correct matched pairs for Column I and II and Column III Column - I Column II Column III (a) aqueous humor (i) Depression on retina (f) origin of opticnerve (b) Vitreous humor (ii) watery fluid (g) secreted by retina (c) Blind spot (iii) Absence of sensitive cells (h) presence of cone cell (d) Fovea (iv) thicfluid (i) secreted by Ciliary body

Correct : A. (a - ii-i), (b - iv-g), (c - - ii- f) (d - i - h)

43. Peremability of which of the following increases during depolarization ?

Correct : A. Na+

44. Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements (i) cone cells are less sensitive than Rod cells (ii) They are responsible for colour vision (iii) Erythrolobe is photopigment which is sensitive to red colour light (iv) They are absent in fovea of retina

Correct : A. (iii), (ii) and (i)

45. Which of the following of are main divisions of autonomous nervous system

Correct : C. Sympathetic and para sympathetic

46. Which of the following option indicates correct chronology of structures of the ear (from outside is inside ) ?

Correct : C. utricule - saccule - cochlearduct

47. Few statements about tympanic membrane are given here which of the following option shows all correct statement for it ? (i) malleus bone join with it (ii) it is oval membrane consist of unstriated muscle (iii) It has cover of skin on its inner side and muscle layer on outerside (iv) It has upper aperture called fenestra roundata

Correct : A. (i)

48. Which of the following option indicates correct chronology of middle ear ossicle (from Thympanum to interal ear)

Correct : B. malleus - Incus - stapes

49. It is correct for the function of ear ossicle

Correct : B. To amplify sound 20 times

50. Which of the following is filled with perilymph ?

Correct : A. Area around chochelar ducton outer side

51. Which of the following option shows correctly matched groups for the column I, column II and column III column I column II column II (a) multiple sclerosis (i) degeneration of intervetebral disc (e) continous pain in back (b) Parkinson’s disease (ii) Myelin sheath around nerves is damaged(f) Defect in speech (c) sciatica (iii) Deficiency of dopomine (g) lack of spontaneous movement

Correct : B. (a - ii - f), ( b - iii - g), (c - i -e)

52. What is ciliary body ?

Correct : D. Thick anterior part of choroid

53. Iris is a continuation of _______

Correct : A. ciliarybody

54. Which type of muscle are present in ciliary body ?

Correct : A. Radial & oblique

55. What is macula lutea ?

Correct : B. fovea centralis of retina, with conecells

56. which basic Colour Photoreceptors are Present in human eye ?

Correct : B. Red green blue

57. which of the folliwing has nerve centers for the urge of eating ?

Correct : C. Hypothalamus

58. Deficiency abnormality of which of the following is responsible for Alzheimer's dlsease?

Correct : B. Acetyl choline

59. What is correct for the “ number ” of vagus Cranial nerve?

Correct : C. 10

60. At which of the following Structure Sensitivity of retina is highest?

Correct : B. Yellows spot

61. Which of the following disorder is not hereditary (J.K.C.M.E.E 2005)

Correct : D. cataract

62. Glands responsible for secreting tears are: (H.P.P.M.T 2005)

Correct : B. lacrimal glands

63. Which of the following cranial nerves are mixed: (BHU 2007) 1. glossopharyngeal 2. trigeminal 3. vagus 4. auditory

Correct : A. 1,2 and 3 are correct

64. To What the resparatory centres of brain are sensitive?

Correct : A. High CO2 Conc in blood

65. Nasal epithelium is formed of : (C.M.C 2003)

Correct : D. glandular epithelium

66. Space between piamater and arachnoid is (J.K.C.M.E.E 2003)

Correct : D. subarachnoid

67. Which one is mixed nerve

Correct : D. glossopharyngeal

68. Visual area is localised in (A.I.E.E.E 2004)

Correct : A. occipital lobe

69. In hypothalamus are located various centres of (J.I.P.M.E.R 2004)

Correct : D. body tempreature

70. Which option is correct for the few statements are given for the function of cerebram, which of few following option is shows all correct statements. (i) to control the sensitivity,movement,memory,vocabulary etc. through the frontal lobe (ii) to control the vision and adaptation through the occipital and frontallobes (iii) to control the contraction of voluntary muscles through the frontal lobe (iv) to control the temperature,taste,touch,pain etc, through the parietal lobe

Correct : B. (iii),(iv),(i)

71. column I lists the part of the human brain and column II lists the functions. Match the two column and identify the correct choice from those given. (K.C.E.T 2005) column I column II a. cerebrum p. controls the pituitary b. cerebellum q. control vision and hearing c. hypothalamus r. control the rate of heart beat d. midbrain s. seat of intelligence t. maintains body posture

Correct : A. (a=s);(b=t);(c=p);(d=q)

72. It control auditory reflex

Correct : B. inferior colliculi

73. In the resting state of the neural membrane,diffusion due to concentration gradients,if allowed would drive: (C.B.S.E 2004)

Correct : B. k+ into the cell

74. Injury vagus nerve in humams is not likely to affect: (C.B.S.E 2004)

Correct : C. tongue movement

75. undirectional transmission of a nerve impulse through nerve fibre is due to the fact that:

Correct : C. neurotransmitters are released by the axon endings

76. Which of the following is not strictly considered a part of neuron? (C.P.M.T 1998)

Correct : B. myelin sheath

77. Centres for sense of smell are located (M.P.P.M.T 1999)

Correct : C. olfactory lobes

78. Nerve related to diaphragm is (M.P.P.M.T 1999)

Correct : D. phrenic

79. Node of ranvier is the place where (C.B.S.E.P.M.T 2002)

Correct : D. myelin sheath is discontinuous

80. which of the following cranial nerve controls the movement of eye boll ? (B.H.U 2002)

Correct : B. oculomotor

81. Match the following human spinal nerves in column I with their respective number in column II and choose the correct option (Kerala 2005) column I column II P. cervical nerves i. 5 pairs Q. thorocic nerve ii. 1 pair R. lumbar nerve iii. 12 pair S. coccygeal nerve iv. 8 pair

Correct : A. (P-iv),(Q-iii),(R-i),(S-ii)

82. How many pairs of spinal nerve are found in human? (Guj C.E.T 2006)

Correct : C. 31

83. What is Nissl's granule consist of ? (C.B.S.E 2007)

Correct : C. protein

84. Which of the following is correct for motor nerve? (A.I.E.E.E 2004)

Correct : D. All the given

85. Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following . Which of the cells are least likely to be replaced by new cells ?(C.B.S.E 2005)

Correct : C. neurons

86. One of the examples of the action of the autonomous nervous system is : (C.B.S.E 2005)

Correct : A. peristalsis of the intestine

87. Mouth becomes watery when we look at a delocious food due to

Correct : A. optic respon

88. Which of the following cranial nerve is not a motor nerve.

Correct : C. II

89. What is true for the following statements ? Statement X : Migration of birds is influenced by light. Statement Y : Reproduction of birds is influenced by light. Statement Z : In all birds gonads are activated due to increase in intensity of light during summer. X Y Z

Correct : A. True False False

90. What is true for the given statements ? Statement X : Birds and Mammals obtain greater body size in cold region than in warm regions. Statement Y : Birds and Mammals are Homeothermic (warm blooded)animals. Statement Z : Reptiles are smaller in cold region.

Correct : D. False True True

91. “Spiny lizard” absorbs water from the atmosphere which is appropriate similar functional option for the statement ?

Correct : B. Hygroscpic roots of orchid

92. What is true for the following statements ? Statement X : Marine fishes have chlorine secretory cells. while riverine fishes have chlorine cells. Statement Y : Compared to marine water, fluid present in fish is hypotonic while reverine water is hypertonic compared to fluid present in fish. X Y X Y

Correct : C. True False

93. Which animal is capable of obtaining water by oxidation of lipid.

Correct : D. Kangaroo rat

94. Which is the example of intraspecific competition for food ?

Correct : B. Two female dogs and two male dogs

95. Name the animals with freshwater habit in which (i) endosmosis is possible (ii) Excess water in removed by green glands (iii) Greenglands removes water in the from of urine

Correct : C. Crustacean astucus

96. In snakes realised (actual) natality is less than potential natality; because.....

Correct : D. All of these.

97. Indentify me “ My functioning is like an orchid.

Correct : B. Spiny lizard

98. Crustacian Astacus = Green land Marine turtle what is ‘X’ accroding to the information given ?

Correct : B. Kidney

99. Which of the following is correct statement ?

Correct : C. Anabus develops accesary respiratory organs to respire in water.

100. Parasitic animal which is part of bio-geo community and included as zoo planktons and mesofauna of tenestrial ecosystem is ....

Correct : B. mites