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
Acid rain is mainly caused due to increase in the levels of the gas (es)

(A) SO₂ only	(B) CO₂ only
(C) SO₂, CO₂	(D) NO₂ and SO₂

Question-2
Which of the following is an inexhaustible resource ?

(A) Fossil fuel	(B) Solar energy
(C) Coal	(D) Petroleum

Question-3
Tiger is not a resident in which one of the following national park ?

(A) Ranthambhor	(B) Sunderbans
(C) Gir	(D) Jim Corbett

Question-4
Soil formed after leaching and rich in AI and Fe is _____________ .

(A) alluvial	(B) podsol
(C) laterite	(D) None of these

Question-5
Eurythermal animals and plants are those which

(A) can tolerate only a small variation in temperature	(B) can tolerate large variation in temperature
(C) cannot tolerate any change in temperature	(D) are affected by temperature

Question-6
Increase in atmospheric temperature due to CO₂ is called

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

Question-7
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-8
In 2002 AD, according to research, the concentration of CFCs reached to

(A) 368 ppm	(B) 1750 ppb
(C) 261 ppt	(D) 326 ppb

Question-9
The ozone layer is found in

(A) troposphere	(B) mesosphere
(C) stratosphere	(D) atmosphere

Question-10
A renewable exhaustible natural resource is

(A) coal	(B) petroleum
(C) minerals	(D) forest

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Plus 2 Biology Science

Tamil Nadu (English Medium)

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