AET 101 (2+1) Fundamentals of Entomology Question Paper for Agriculture

 

UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR

FINAL EXTERNAL EXAMINATION

B.Sc. (Hons.) Agriculture
Course: AET 101 (2+1)
Subject: Fundamentals of Entomology

Semester: II Sem 2016–17
Date: 17-07-2017
Time: 2½ Hours
Max. Marks: 50

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SECTION – I

I.A CHOOSE THE APPROPRIATE ANSWER

(10 × 0.5 = 5.0)

1. Fossorial types of legs are present in
   a. aquatic insects
   b. digging insects
   c. flying insects
   d. wingless insects

2. Insects belong to phylum
   a. chordata
   b. porifera
   c. arthropoda
   d. annelida

3. Rigid, inflexible regions of the exoskeleton are called
   a. sutures
   b. apodemes
   c. sclerites
   d. segments

4. Which of the following structures is unicellular
   a. spine
   b. setae
   c. gland
   d. sclerite

5. Insect head is specialized for
   a. reproduction and digestion
   b. ingestion and perception
   c. orientation and locomotion
   d. adaptation and respiration

6. The dorsal sclerite of each abdominal segment is call
   a. sternite
   b. pleurite
   c. coxite
   d. tergite

7. Study of which parts of insects is more important in understanding nature of damage on crops
   a. legs
   b. wings
   c. mouth parts
   d. antennae

8. Chewing and lapping type of mouth parts are meant for feeding on
   a. petals
   b. sepals
   c. nectar
   d. pollen

9. Cryptonephridial condition is meant for
   a. digestion
   b. respiration
   c. moisture conservation
   d. blood circulation

10. Filter chamber is meant for
    a. osmoregulation
    b. digestion
    c. moisture conservation
    d. reproduction

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I.B MATCH THE FOLLOWING

(5 × 0.5 = 2.5)

A	B
11. Filter chamber	a. Scape
12. Compound eye	b. Strength to insect head
13. Johnston’s organ	c. Avoids excessive liquification of haemolymph
14. Longest antennal segment	d. Ommatidia
15. Tentorium	e. Pedicel

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I.C FILL IN THE BLANKS WITH APPROPRIATE ANSWERS

(5 × 0.5 = 2.5)

16. __________ is a conducting organ in insect circulatory system.

17. Accessory pulsatory organ helps in __________

18. Cryptonephridial condition is meant for __________

19. __________ is protoplasmic extension that receives the stimulus.

20. Mesothorax and metathorax are together called __________

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SECTION – II

II. DEFINE / EXPLAIN THE FOLLOWING

21. Write short notes on Impulse

22. What is respiration?

23. Write about haemolymph

24. What is wing coupling?

25. Classify types of antenna

26. Tentorium

27. Moulting

28. Haemol

29. Define insect

30. Geotropic movement

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SECTION – III

III. DIFFERENTIATE / ANSWER ANY FIVE OF THE FOLLOWING

(5 × 2 = 10.0)

31. Cryptonephridial condition & Filter chamber

32. Chewing and biting type & piercing and sucking type of mouth parts

33. Setaceous and clavate type of antenna

34. Compound eye and simple eye

35. Role of fore gut and hind gut

36. Tentorium and pleurostoma

37. Role of antenna and cerci

38. Excretion and egestion in insects

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SECTION – IV

IV. ANSWER ANY FOUR OF THE FOLLOWING QUESTIONS

(4 × 2.5 = 10.0)

39. Insect integument

40. Metamorphosis in insects

41. Insect respiratory system

42. Wing coupling types

43. Insect excretory system

44. Insect central nervous system (CNS)

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SECTION – V

V. ANSWER 45th, 46th AND ANY ONE OF 47th OR 48th QUESTION

(3 + 3 + 4 = 10.0)

45. Reasons for the dominance of insects in animal kingdom

46. Draw the diagram of insect head and label the parts

47. How does the class insecta differ from the other classes in phylum arthropoda

OR

48. List out insect orders