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BO-11

June - Examination 2017 B.Sc. Pt. III Examination

Plant Ecology and Economic Botany Paper - BO-11

Time : 3 Hours ] [ Max. Marks :- 50

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

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IÊS> Ho$ {ZX}emZwgma àíZm| Ho$ CÎma Xr{OE&

Section - A 10 × 1 = 10 Very Short Answer Questions

Note: Answer all questions. As per the nature of the question you delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 1 mark.

IÊS> - "A' A{V bKw CÎmar¶ àíZ

{ZX}e : g^r àíZm| Ho$ CÎma Xr{OE& Amn AnZo CÎma H$mo àíZmZwgma EH$

eãX, EH$ dm³¶ ¶m A{YH$V‘ ³⁰eãXm| ‘| n[agr{‘V H$s{OE& àË¶oH$

àíZ ¹ A§H$ H$m h¡&

1) (i) Define Photoperiod.

Xr{áH$mb H$mo n[a^m{fV H$s{OE&

509

BO-11 / 400 / 4 (1) (P.T.O.)

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509

BO-11 / 400 / 4 (2) (Contd.)

(ii) Give two example of Hydrophytes.

ObmoX²{^X Ho$ Xmo CXmhaU Xr{OE&

(iii) Define Population Dispersion.

g‘pîQ> {dVaU H$mo n[a^m{fV H$s{OE&

(iv) What is Ecological Pyramids?

nm[apñW{VH$ ñVyn ³¶m h¡?

(v) Define Net Primary Productivity.

ZoQ> àmW{‘H$ CËnmXH$Vm H$mo n[a^m{fV H$s{OE&

(vi) Write botanical Name of Turmeric.

hëXr H$m dmZñn{VH$ Zm‘ {b{IE&

(vii) Name two fibre yielding plants, also write their family.

Xmo aoem CËnmXH$ nmXnm| Ho$ Zm‘ ~VmBE, Ed§ CZHo$ Hw$b ^r {b{IE&

(viii) Write two uses of maize.

‘³H$m Ho$ Xmo Cn¶moJ {b{IE&

(ix) In which parts of India coconut is cultivated? Write the name of states.

Zm[a¶b ^maV ‘| H$hm±-H$hm± H¥${fV hmoVo h¢? amÁ¶m| Ho$ Zm‘ ~VmBE&

(x) Write botanical name and family of Teak.

gmJdmZ H$m dmZñn{VH$ Zm‘ d Hw$b {b{IE&

Section - B 4 × 5 = 20 Short Answer Questions

Note: Answer any four questions. Each answer should not exceed 200 words. Each question carries 5 marks.

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BO-11 / 400 / 4 (3) (P.T.O.) 509

(IÊS> - ~) bKw CÎmar¶ àíZ

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2) Write short note on Soil Profile.

‘¥Xm n[aÀN>o{XH$m na g§{já {Q>ßnUr {b{IE&

3) Explain the concept of Ecotype.

nm[aàmê$n H$s AdYmaUm H$mo ñnîQ> H$s{OE&

4) Write characteristics of a community.

g‘wXm¶ Ho$ A{^bjU {b{IE&

5) Write botanical name, family and useful plant part of any five vegetables.

{H$Ýht nm±M gpãO¶m| Ho$ dmZñn{VH$ Zm‘, Hw$b VWm Cn¶moJr nmXn ^mJ Ho$

~mao ‘| {b{IE&

6) Write botanical name, characters and uses of Heing.

htJ H$m dmZñn{VH$ Zm‘, bjU Ed§ Cn¶moJ {b{IE&

7) Write note on botanical characteristics of Tea plant.

Mm¶ Ho$ nmXn Ho$ dmZñn{VH$ bjUm| na {Q>ßnUr {b{IE&

8) Write short note on origin of Potato.

Amby H$s CËn{Îm na g§{já {Q>ßnUr {b{IE&

9) Write note on botanical characteristics of Maize plant.

‘³H$m Ho$ nmXn Ho$ dmZñn{VH$ bjUm| na {Q>ßnUr {b{IE&

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509

BO-11 / 400 / 4 (4)

Section - C 2 × 10 = 20 Long Answer Questions

Note: Answer any two questions. You have to delimit your each answer maximum up to 500 words. Each question carries 10 marks.

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500 eãXm| ‘| n[agr{‘V H$aZm h¡& àË¶oH$ àíZ ¹⁰ A§H$m| H$m h¡&

10) Write short note on following:

(i) Carbon cycle (ii) Phosphorus cycle

{ZåZ na g§{já {Q>ßnUr {b{IE…

(ii) ’$ñ’$moag MH«$

11) Explain following:

(i) Use of cotton

(ii) Classification of Fibre.

{ZåZ H$mo ñnîQ> H$s{OE&

(i) H$nmg Ho$ Cn¶moJ

(ii) aoemo H$m dJuH$aU

12) Write an essay on the origin, botanical characteristics and cultivation of wheat.

Johÿ± H$s CËn{Îm, dmZñn{VH$ bjU VWm IoVr na {Z~ÝY {b{IE&

13) Describe in detail the origin, botanical characteristics, and uses of Cinchona plant.