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All India - 2012 Blind
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Q14 of 30 Page 1

List any four adaptive features of a parasite.

Four adaptive features of parasites are:-

a)Presence of hooks.


b) Presence of suckers.


c) Presence of thick cuticle /outer skin to protect from digestive enzymes.


d) Absence of digestive system.


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12

Mention the different ways by which active immunity can be induced in the human body.

13

State any two reasons to justify the statutory warning that is printed on the cigarette packings.

15

Why is biofortification of crops considered a necessary step towards improving public health?

16

List any for ecosystem services provided by nature.

OR


Give reasons why ‘hot spot’ regions of the world are identified for maximum protection by conservationists. Name any two hot spots in India.


Questions · 30
All India - 2012 Blind
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