Maharashtra Animal and Fishery Sciences University 2009 B.Sc CBZ (Chemistry, Botany and Zoology) C.s.ezoology for preliminary - Question Paper

36. Which oneofthe subsequent phenomena occurs during reproduction in Neanthes ?
(a) Endomixis (b) Epitoky (c) Hectocotylization (d) Metagenesis 

37. Consider the subsequent statements:Pheretima posthuma is characterized by 1. actual coelomic body cavity lined by coelomic epithelium.2. closed circulatory system.3. lateal hearts with valves.Which of the statements provided above are correct?
(a) I and two (b) two and 3(c) I and three (d) I, two and 3. 

38. Which of the subsequent discuss the functions of statocyst in Prawn?(a) Locomotion and touch(b) Smell and movement(c) Smell and equilibrium(d) Orientation and equilibrium

39. Madreporite, the circular, flat, calcareous plate in Asterias sp. is situated near the(a) anus on the aboral surface(b) mouth on the oral surface(c) sideofthe arms on the'Oral surface(d) the junctionofthe arms on the aboral surface 

40. Consider the subsequent statements regarding Balanoglossus:1. The eggs are fertilized outside .the body and the development is indirect.2. Full grown tornaria larva has 3 ciliated bands, 2 apical plates and a pair of pigmented eye-spots.
3. Tornaria larva is a free-swimming larval stag Which of the statements provided above are correct?
(a) one and two (b) two and 3(c) I and three (d) 1, two and 3 

41. The osphradium in Pila sp. is the organ responsible for(a) Tactile activity (b) Equilibrium(c) Sensing light (d) Chemor-ception 

42. Which of the subsequent is a reptilian feature of a prototherian mammal?
(a) Absenceofpinna(b) Presenceofcloaca(c) Vertebrate without epiphysis(d) Single and uncoiled cochlea 

43. Which of the subsequent functions is served by prototrichs in Calotes?
(a) Defence (b) Sensory(c) Capturing prey (d) Thermoregulation'

 44. Which oneofthe subsequent is the main constituentofPearl?
(a) Calcium carbonate (b) Magnesium carbonate(c) Calcium oxide (d) Magnesium sulphate

45. Which oneofthe subsequent reptiles is an edentate?(a) Chamaeleon (b) Garden lizard(c) Gecko (d) Turtle

Earning:   Approval pending.