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

UNIVERSITY OF AGRICULTURAL SCIENCES, DHARWAD

UNIVERSITY EXAMINATION CENTER, DHARWAD

Final External Examination

Course: AET-101 “Fundamentals of Entomology” (2+1)
I-Year B.Sc. (Hons) Agri./Ag. Maco – II Semester
Date: 08-06-2018
Duration: 2½ Hours
Marks: 50

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PART – A

Q.I For each of the following questions underline the correct answers

(0.5 × 25 = 12.5)

1. The term Entomology has been derived from
   a) Greek word
   b) French
   c) Latin
   d) English

2. The male cockroach has
   a) Mandibles
   b) Cerci
   c) Styli
   d) All of these

3. Insects evolved in
   a) Devonian period
   b) Mesozoic
   c) Cambrian
   d) Permian

4. Piercing and sucking kind of mouthparts found in
   a) Butterfly
   b) House fly
   c) Mayfly
   d) Aphids

5. Lateral portion of thorax is known as
   a) Sternum
   b) Tergum
   c) Pluron
   d) None of these

6. Saltatorial type of legs found in
   a) Grass hoppers
   b) Plant bug
   c) Giant water bug
   d) None of these

7. Young ones of cockroach is called
   a) Nymphs
   b) Naids
   c) Juveniles
   d) Larvae

8. Athelia lugens proxima belongs to order
   a) Coleoptera
   b) Lepidoptera
   c) Hymenoptera
   d) None of these

9. Dipteran pupae are called
   a) Wrigglers
   b) Tumblers
   c) Nymphs
   d) Maggots

10. The eggs of head louse are called as
    a) Ootheca
    b) Nits
    c) Egg pod
    d) Naids

11. Locust lays egg in
    a) Standing water
    b) Flowing water
    c) Plant debris
    d) Sandy soil

12. Propodium found in
    a) Honey bee
    b) House fly
    c) Silk moth
    d) Ant lion

13. Piercing and sucking type of mouth parts found in
    a) Plant bug
    b) Cockroach
    c) Root grub
    d) House fly

14. Insect blood sugar is
    a) Trehalose
    b) Sucrose
    c) Fructose
    d) None of these

15. The order having maximum parasitoids
    a) Coleoptera
    b) Hymenoptera
    c) Lepidoptera
    d) Neuroptera

16. Locusts belongs to order
    a) Orthoptera
    b) Neuroptera
    c) Lepidoptera
    d) Hymenoptera

17. Jewel beetle belongs to order
    a) Coleoptera
    b) Odonata
    c) Mecoptera
    d) Collembola

18. Honey bee belongs to family
    a) Apidae
    b) Aphididae
    c) Coccinellidae
    d) Noctuidae

19. The mandibles are called as
    a) Secondary jaws
    b) False jaws
    c) True jaws
    d) None of these

20. Pseudohalters are found in
    a) Hymenopterans
    b) Lepidopterans
    c) Coleopterans
    d) None of these

21. Antlion young once is a kind of larva
    a) Campodiform
    b) Protopod
    c) Eruciform
    d) None of these

22. Pollen basket in hind leg modification in
    a) Honey bee
    b) Bumble bee
    c) Butterfly
    d) All of these

23. Honey bee constructs parallel combs
    a) Apis dorsata
    b) Apis florea
    c) Apis cerena
    d) None of these

24. Leafhoppers belong to family
    a) Cicadellidae
    b) Delphacidae
    c) Cicindellidae
    d) Coccidae

25. Presence of spurious vein in insect is important character in
    a) May fly
    b) House fly
    c) Fruit fly
    d) Syrphid fly

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Q.II State whether the following statements are TRUE or FALSE

(0.5 × 15 = 7.5)

26. Arthropodin is an untanned protein

27. The basal segment of antennae is flagellum

28. Geniculate type of antennae found in plant bug

29. Eggs of head louse are called as nits

30. Mites have four pairs of legs with antennae

31. Fringed type of wings found in thrips

32. Hemelytra type of wing found in House fly

33. Owl fly belongs to order Hemiptera

34. Higher fecundity is one of the reasons for insect dominance

35. Barrel shaped eggs are laid by plant bug

36. Hemelytra is found in may flies

37. Firefly belongs to family Dermestidae

38. Costa is the part of leg

39. Hemerobiidae belong to order Neuroptera

40. Trichogrammatids are commonly called as pirate bugs

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Q.III Match the following

(0.5 × 10 = 5)

Sl. No	A	B
41	Caterpillar	A Hymenoptera
42	Grasshopper	B Part of the leg
43	Tegmina	C Right mandible absent
44	House fly	D Nervous system
45	Moniliform	E Spring tails
46	Collembola	F Termites
47	Neurons	G Halters
48	Thrips	H Cockroach
49	Coxa	I Orthoptera
50	Honey bee	J Lepidoptera

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PART – B

Q.IV Define the following

(5 × 1 = 5)

1. Entomology

2. Tentorium

3. Malpighian tubules

4. Moulting

5. Cryptonephridial condition

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Q.V Answer the following in brief (Any five)

(5 × 2 = 10)

1. Draw a neat diagram of mouthparts of plant bug and label all parts

2. Differentiate between Nymphs and larvae

3. What are neurons and functions of neurons

4. Differentiate between Endopterygotan and exopterygotan insects

5. Write important characters of class Hexapoda

6. List important characters of order Lepidoptera

7. What is larva and write different types of larvae with example

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Q.VI Answer the following questions (Answer any two)

(5 × 2 = 10)

1. Explain the major points related to dominance of insects

2. What is metamorphosis? Mention and explain types of metamorphosis with examples

3. Mention the important characters of order Diptera and list any five families with examples

4. Explain type of legs in insects with one example