Maharashtra State Board of Technical Education 2009 B.Sc. Advanced Zoology and Bio-Technology C.s.ezoology for preliminary - Question Paper

46. Avian respiratory system is characterised by the presence of membranousair-sacs. Such structure is also observed as a part.ofrespiratory system insome non-avian vertebrates. Which oneofthe subsequent possesses such airsacs?
(a) Dolphin (b) Toad(c) Chamaeleon (d) Pterpus

47. Consider the following:1. Endotheliumoffoetal blood capillaries.2. Connective tissue sun-ounding foetal blood capillaries.3. Foetal epithelium.4. Maternal epithelium.5. Connective tissue surrounding maternal blood capillaries.6. Endothelium of maternal blood capillaries.capillaries.In the caseofhumans, the placenta comprises whichofthe above?
(a) 1, 2, 3, 4, five and six (b) 1, five and 6(c) one and two (d) two and 6
 
48. Consider the subsequent statements:
1. In the cranium of Rana, parietal fossa is current.2. In the cranium of Columba, parietal foramen is absent. J Whichofthe statements provided above is/are correct?(a) one only. (b) two only(c) Both I and two (d) Neither one nor 2 

49. Which 1 of the subsequent is not under the direct control of pituitary glandwith respect to the regulation of its secretory function?
(a) Adrenal cortex (b) Adrenal medulla(c) Thyroid (d) Testis 

50. If the glomerular capillary pressure is 60 mm Hg, the pressure in Bowman'sspace 10 mm Hg and osmotic pressure 30 mm Hg, what would be theeffective filtration pressure?
(a) 20 mm Hg (b) 40 mm Hg (a) 20 mm Hg (b) 40 mm Hg(c) 60 mm Hg (d) 80 mm Hg 

51. Which oneofthe subsequent increases the uptake of sodium ions and water inthe kidney with simultaneous elimination of potassium ions?
(a) Vasopressin (b) Renin(c) Parathormone (d) Aldosterone 

52. Consider the subsequent statements:Parasympathetic nervous system is characterized by 1. Acetylcholine as neurotransmitter.2.'Fight or flight'activities.3. Longer preganglionic fibres.4. Longer postganglionic fibres.5. Arising from cranio-sacral portion.
Which of the statements provided above are correct?
(a) 1, two and three (b) two and 4(c) 1,3 and five (d) 2,3 and 5 

54. Which 1 of the subsequent categories of enzymes converts triglycerides intoglycerol and fatty acids?
(a) Hydrolase (b) Lyase(c) Oxidoreductase (d) Transferase

55. Consider the subsequent statements with reference to the only ape obtained in India i.e. Hylobates hoolock:1. In India, it lives only in north-eastern region.2. Its arms are more than double the lengthofits legs measured from hip heel.3. It is purely herbivorous.
Which of the statements provided above is/are correct?'
(a) one only (b) one and 2(c) two and three (d) 1, two and 3 

Earning:   Approval pending.