Biology 10 Chapter 16 Man and his environment - 1

Biology 10 Chapter 16
Man and his environment - 1

1. How many chemicals are present in smoking?

a) 400
b) 40,0000
c) 14000
d) 4000

2. An organism’s environment is the sum of?

a) i. Biotic factors
b) iii. Commercial factors
c) iv. Both (i) and (ii)
d) ii. Abiotic factor

3. Study of interrelationship b/w organisms and their environment is caller?

a) Physiology
b) Ecology
c) Mycology
d) Carpology

4. In ecology the level of organization range from organism to?

a) Community
b) None
c) Biosphere
d) Biodiversity

5. A groups of organism of the same species inhabiting the same area is called as?

a) Population
b) Community
c) Specie
d) Ecosystem

6. All populations that live in a habitat and interact in different ways is called?

a) Community
b) Ecosystem
c) Population unit
d) Specie

7. The biotic and abiotic factors combine to forma?

a) Specie
b) Ecosystem
c) Community
d) population

8. All ecosystems of the world combine to form a?

a) Community
b) Specie
c) Biosphere
d) Biodiversity

9. Biosphere is about?

a) 0.20 Km thick
b) 20 Km thick
c) 20 M thick
d) 200 Km thick

10. Non-living factors present is ecosystem are called as?a) Common factors
b) Natural factors
c) A-biotic factors
d) Biotic Factor

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