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Old Exam Papers June 2012 (Set 2)

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tSoHkwjklk;fud pØ D;k gS \ QkLQksjl pØ dk o.kZu<br />

dhft;sA 2+8<br />

3. Write notes on the following :<br />

(i) Biological spectrum<br />

(ii) Commensalism<br />

fuEufyf[kr ij fVIif.k;k¡ fyf[k;s %<br />

(i) tSfod o.kZØe<br />

(ii) lgHkksftrk<br />

5+5<br />

5+5<br />

4. What is succession ? Describe succession on sand. 2+8<br />

vuqØe.k D;k gS \ ckyw ij gksus okys vuqØe.k dk o.kZu<br />

dhft;sA 2+8<br />

5. What is Ecosystem ? Describe the structure of<br />

Ecosystem. 2+8<br />

ikfjfLFkfrd ra= D;k gS \ ikfjfLFkfrd ra= dh lajpuk dk o.kZu<br />

dhft;sA 2+8<br />

6. Describe the origin, distribution and cultivation of Maize. 10<br />

eDdk dh mRifÙk] forj.k ,oa [ksrh dk o.kZu dhft;sA 10<br />

7. Describe the origin, botanical characters and cultivation of<br />

cotton. 10<br />

dikl dh mRifÙk] okuLifrd y{k.k ,oa [ksrh dk o.kZu<br />

dhft;sA 10<br />

8. Describe the Botanical name, parts of economic importance<br />

of the following :<br />

(i) Turmeric<br />

(ii) Rauwolfia<br />

(iii) Aloe<br />

(iv) Clove<br />

(v) Isabgol<br />

fuEufyf[kr dk okuLifrd uke ,oa mi;ksxh Hkkx crkb;s %<br />

(i) gYnh<br />

(ii) liZxU/kk<br />

(iii) ,yks<br />

(iv) ykSax<br />

(v) blcxksy<br />

200 2 BO-11 BO-11 3 PTO<br />

25<br />

25

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