Maharashtra Animal and Fishery Sciences University 2009 B.Ed. (Zoology) C.s.ezoology for preliminary -university question paper

67. Consider the subsequent hormones:1. Thyrotrophin releasing hormone (TRH)2. Thyroid stimulating hormone (TSH)3. Thyroxine (T 4)

68. What is the accurate 68. What is the accurate sequenceofthe releaseofthese hormones?(a) I - two - three (b) two - I - 3(c) two - three - I (d) I - three - 2 

68. How many fused hydrocarbon rings does the steroid nucleus consist of ?(a) 2 (b) Three(c) 4 (d) Six 

69. Which oneofthe subsequent statements is correct?
(a) Perilymph is positively charged and endolymph is negatively charged.(b) Perilymph and endolymph are positively charged.(c) Perilymph is negatively charged and endolymph is positively charged.(d) Perilymph and endolymph are negatively charged. 

70. Consider the subsequent statements:The tertiary structure of proteins is stabilized by 1. disulphide linkage2. hydrogen bonding3. electrostatic bonds ranging from positively and negatively charged groups Which'of the statements give! one above are correct?
(a) I and two (b) two and 3(c) one and three (d) 1, two and 3 

71. Consider the subsequent statements:Pheromones help inl. communication within species.2. marking the territory.3. defence mechanism. Whichofthe statements provided above are correct?(a) I and two (b) two and 3.(c)land three (d) 1, two and 3

72. The axial filament of a mammalian sperm consists of (a) nine double peripheral and two single central microtubules(b) nine single peripheral and two double central microtubules(c) two single peripheral and nine double central microtubules double central microtubules(d) two double peripheral and nine single central microtubules 

73. Which oneofthe subsequent is not applicable to the retrogressivemetamorphosisof Ascidian tadpole?(a) Reduction of size of the pharynx(b) Dwindling of notochord(c) Development of sessile character(d) Shortening of tail

74. Which oneofthe subsequent sets isofectodermal derivative?(a) Brain, spinal cord, pituitary, thyroid(b) Brain, spinal cord, liver, pancreas(c) Brain, spinal cord, pituitary, pineal(d) Heart, eye, dentine, skeleton

75. Regarding the appearanceofthe provided organs in a tapdoleoffrog, which 1 of the subsequent is the accurate sequence?(a) Mouth, external gill, fore limb, hind limb(b) Mouth, external gill, hind limb, fore limb(c) External gill, mouth, hind limb, fore limb(d) External gill, mouth, fore limb, hind limb

Earning:   Approval pending.