MZO-09 {ZX}e : ¶h 鳧Z n "A', &q

(1)

MZO-09

June - Examination 2017

M.Sc. Zoology (Final) Examination Entomology-II

Paper - MZO-09

Time : 3 Hours ] [ Max. Marks :- 80

Note: The question paper is divided into three sections. A, B and C. Write answers as per the given instructions. Draw suitable diagram wherever required.

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IÊS> Ho$ {ZX}emZwgma àíZm| Ho$ CÎma Xr{OE& Amdí¶H$VmZwgma Cn¶w³V {MÌ ~ZmBE&

Section - A 8

×

2 = 16 (Very Short Answer Type Questions)

Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.

IÊS> - "A' (A{V bKw CÎmar¶ àíZ)

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³⁰

eãXm| ‘| n[agr{‘V H$s{O¶o& àË¶oH$ àíZ

2

A§H$m| H$m h¡&

1) (i) What is Chronic toxicity?

OrU© {dfmbwVm ³¶m h¡?

861

MZO-09 / 900 / 4 (1) (P.T.O.)

(2)

861

MZO-09 / 900 / 4 (2) (Contd.)

(ii) Name two arsenicals.

Xmo Ama{g{ZH$b Ho$ Zm‘ {b{IE&

(iii) What is DDD?

DDD

³¶m h¡?

(iv) What is LD50? LD50

³¶m h¡?

(v) Define knock down resistance. (kdr)

Zm°H$ S>mCZ à{VamoY H$mo n[a^m{fV H$s{OE&

(vi) What is Bioaccumulation?

O¡dg§M¶Z ³¶m h¡?

(vii) Name two polyphagus insect pest.

Xmo nmbr’¡$½g H$sQ> nr‹S>H$m| Ho$ Zm‘ {b{IE&

(viii) Expand LWO.

LWO

H$m nyam Zm‘ {b{IE&

Section - B 4

×

8 = 32 (Short Answer Type Questions)

Note: Answer any four questions out of eight. Maximum word limit is 200 words for each question. All question carry equal marks.

(IÊS> - ~) (bKw CÎma dmbo àíZ)

{ZX}e : AmR> àíZm| ‘| go H$moB© Mma àíZ H$s{OE& àË¶oH$ àíZ H$m CÎma

200

eãXm| go A{YH$ Z hmo& g^r n«íZm| Ho$ A§H$ g‘mZ h¢&

2) Write the zoological name of the following:

{ZåZ Ho$ d¡km{ZH$ Zm‘ {b{IE:

(i) Spotted Ball Worm

ñnmQ>oS> ~mb d‘©

(3)

MZO-09 / 900 / 4 (3) (P.T.O.) 861

(ii) The painted Bug

Xr noÝQ>oÊS> ~J

(iii) Dusky Cotton Bug

S>ñH$s H$mQ>Z ~J

(iv) White Gurb

ìhmB©Q> J~©

3) Describe the biology of Pyrilla perpusilla (Sugarcane Leajhopper)

nm¶[abm nany{gbm H$s Ord {dkmZ H$mo g‘PmBE&

4) Name 8 stored grain pests.

g§J«{hV AZmO Ho$ 8 nr‹S>H$m| Ho$ Zm‘ {b{IE&

5) Enumerate the life cycle of Musca domestica.

‘wñH$m S>mo‘opñQ>H$m Ho$ OrdZ MH«$ H$s {ddoMZm H$s{OE&

6) Write a note on insect pollinators.

H$sQ> namJUm| na EH$ boI {b{IE&

7) Write note on : (i) PMI

(ii) Insects of Forestry Importance

{ZåZ na boI {b{IE :

(i) PMI

(ii)

’«$moaoñQ>ar ‘hÎd Ho$ H$sQ>

8) Explain social organization in bees.

‘Yw‘p»I¶m| ‘| gm‘m{OH$ g§JR>Z H$mo g‘PmBE&

9) Write notes on :

{ZåZ na boI {b{IE :

(i) Quarantive regulation

g§JamoY {d{Z‘¶

(ii) Insecticide Act, 1968.

H$sQ>H$ZmeH$ A{Y{Z¶‘,

^1968.

(4)

861

MZO-09 / 900 / 4 (4)

Section - C 2

×

16 = 32 (Long Answer Type Questions)

Note: Answer any two questions. You have to delimit your each answer maximum upto 500 words. Each question carries 16 marks.

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500

eãXmo§ ‘| n[agr{‘V H$s{OE& àË¶oH$ àíZ

¹⁶

A§H$m| H$m h¡&

10) Describe the future of Biological control of Insects citing examples.

H$sQ>m| Ho$ O¡{dH$ {Z¶§ÌU Ho$ ^{dî¶ H$mo gmoXmhaU g‘PmBE&

11) Give a detailed account of pesticide application equipments.

12) Write in detail about the following : (i) Seed treatment

(ii) Tissue culture techniques in Plant protection.

{ZåZ H$mo {dñVma go g‘PmBE :

(i)

~rO CnMma

(ii)

13) Explain :

g‘PmBE …

(i) Types of pheromones

’$sam‘moZ Ho$ àH$ma

(ii) Insect repellants

H$sQ> [anob|Q²>g

(iii) Chemosterilants

{H$‘moñQ>o[a{¶ëb|Q>g

(iv) Antifeedants

E§Q>r’$sS>oÝQ>g