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 of the following is an inexhaustible resource ?

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

Question-2
Deforestation causes

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

Question-3
The alien species introduced into lake Victoria that was responsible for the extinction of Cichlid fishes is

(A) African catfish	(B) Water hyacinth
(C) Carrot grass	(D) Nile perch

Question-4
The animal, extincted from India is

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

Question-5
Soil formed after leaching and rich in AI and Fe is _____________ .

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

Question-6
The species diversity of plants on earth will be

(A) 2.4%	(B) 22%
(C) 8.1%	(D) 85%

Question-7
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-8
Which one is not the renewable energy of natural resources ?

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

Question-9
The ozone layer is found in

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

Question-10
Increase in atmospheric temperature due to CO₂ is called

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

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Plus 2 Biology Science

Tamil Nadu (English Medium)

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