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All India-2017 Blind
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Q11 of 26 Page 1

Write the differences between wind pollinated and insect pollinated flowers. Give one example for each type of pollination.



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9

Mention the type of immunisation — active or passive, that should be provided for each of the following:

(i) Prevention of tuberculosis in young children


(ii) Prevention of tetanus in a person injured in a road accident


Give reason in support of your answer.


10

(a) Write the conditions under which ‘J’ and ‘S’ shaped growth related population curves are observed.

(b) In a bacterial culture, which one of the growth curves mentioned above would be observed first and why?


12

Name the developmental stage that gets implanted in a pregnant human female. Describe its structure and the events that lead to its implantation.

13

What is an adapter molecule? State the two functions for which it is termed so.

Questions · 26
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