Tamil Nadu (English Medium) Plus 2 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Which one of the following is an example of exsitu conservation ?

(A) wild life sanctuary	(B) seed bank
(C) sacred groves	(D) national park

Question-2
The animal, extincted from India is

(A) lion	(B) cheetah
(C) deer	(D) peacock

Question-3
Ozone (O₃) depletion is due to

(A) PAN	(B) NO_x
(C) CFCs	(D) Sulphates

Question-4
Increase in atmospheric temperature due to CO₂ is called

(A) Pasteur effect	(B) Green house effect
(C) Blackman effect	(D) Emerson effect

Question-5
Chipko movement was launched for the protection of

(A) grasslands	(B) forests
(C) liverstock	(D) wet lands

Question-6
Deforestation causes

(A) thermal pollution	(B) noise pollution
(C) soil erosion	(D) None of the above

Question-7
Which one of the following has maximum genetic diversity in India ?

(A) Teak	(B) Mango
(C) Wheat	(D) Tea

Question-8
In this soil conservation method, several grasses are left out in soil after the crop is harvested

(A) Contour farming	(B) Terrace farming
(C) Tillage	(D) Crop rotation

Question-9
Which one is not the renewable energy of natural resources ?

(A) Tidal energy	(B) Wind energy
(C) Fossil energy	(D) Solar energy

Question-10
'Van Mahostav' was started by

(A) K M Munshi	(B) Sundar Lal Bahugunae
(C) Vinoba Bhave	(D) J L Nehru

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Plus 2 Biology Science

Tamil Nadu (English Medium)

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