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
Gaseous pollutants can be controlled by

(A) arrestors	(B) electrostatic precipitators
(C) pyrolysis	(D) incineration

Question-2
Which one of the following has maximum genetic diversity in India ?

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

Question-3
The species diversity of plants on earth will be

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

Question-4
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-5
The total number of biodiversity hot spots in the world are

(A) 24	(B) 12
(C) 34	(D) 52

Question-6
Chipko movement was launched for the protection of

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

Question-7
A renewable exhaustible natural resource is

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

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
Increase in atmospheric temperature due to CO₂ is called

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

Question-10
Which one is not the renewable energy of natural resources ?

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

Click here to see your answersheet and detailed track records.

Plus 2 Biology Science

Tamil Nadu (English Medium)

Practice in Related Chapters
Human Physiology
Theories of Evolution
Applied Biology
Immunology
Microbiology
Modern Genetics
Environmental Science