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

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

Question-2
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-3
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-4
The total number of biodiversity hot spots in the world are

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

Question-5
Gaseous pollutants can be controlled by

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

Question-6
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-7
The term 'Alpha diversity' refers to

(A) genetic diversity	(B) community and ecosystem diversity
(C) species diversity	(D) diversity among the plants

Question-8
The species diversity of plants on earth will be

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

Question-9
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-10
Conservation in natural habitat is

(A) in situ	(B) ex situ
(C) zoo	(D) botanic garden

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