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Biology Class 11 Chapter 1
Biology and its Major Fields of Specilization
Test 10
1.
The older sediments layers have less number of specific__________________ than the younger ones?
a) Non-metals
b) Radioactive isotopes
c) Metals
d) Elements
2.
The number and variety of the species in a place is?
a) Biodiversity
b) Population
c) Biome
d) Community
3.
Total known species are?
a) 0.5 million
b) 2.5 million
c) 3.5 million
d) 1.5 million
4.
Insects are of known species?
a) 17.6%
b) 9.4%
c) 53.1 %
d) 19.9 %
5.
Vascular plants are of known species?
a) 53.1 %
b) 9.4%
c) 17.6%
d) 19.9 %
6.
Tentative statement is ?
a) Observation
b) Deduction
c) Theory
d) Hypothesis
7.
Resoning which moves from general to specific is?
a) Deductive
b) Nerogative
c) Inductive
d) Interrogative
8.
____________ are subjected to rigorous testing?
a) Observation
b) Theory
c) Deduction
d) Hypothesis
9.
In bio-pesticides ___________ are used?
a) Viruses
b) Fungi
c) Algae
d) Bacteria
10.
The technique which is used for preserving milk is and milk products is called?
a) Sterilization
b) Canning
c) Steaming
d) Pasteurization
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