Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. The sphere of life and organic activity extends from the ocean bottom to about 8 km above the sea level.
R. Biosphere is a function of hydrosphere and lithosphere.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. An ecosystem is a self regulating association of living plants and animals and their nonliving physical environment.
R. In an ecosystem, a change in abiotic component causes changes in biotic components.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. Niche refers to function or occupation of a life form within a given community.
R. Two species can occupy the same niche.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. Biomass is the dry weight of organic material.
R. Biomass includes both above ground and below ground and both living and dead.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. The Earth's original forests remains are known as frontier forest.
R. Frontier forests cover about 20 per cent of the Earth's land surface.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. A natural process in which lakes receive nutrients and sediments and become enriched is known as eutrophication.
R. Lakes of Scandinavia are more adversely affected by eutrophication than that of the Great Lakes of North America
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. National Parks are developed to conserve ecosystems and to protect a particular wild animal.
R. Human activities are permitted in wildlife sanctuaries.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. Biosphere Reserves are rich in biological and cultural diversity.
R. Biosphere Reserves include unique features of exceptionally pristine nature.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.
Direction: The following questions consist of two statements, one labelled the Assertion and the other labeled Reason (R). Examine these two statements carefully and decide if the Assertion and Reason (R) are individually true and if so, whether the Reason is a correct explanation of the Assertion.
A. Biosphere Reserves are terrestrial and coastal ecosystems.
R. Biosphere Reserves are internationally recognized within the framework of UNESCO's Man and Biosphere (MAB) Programme'.
Code:
A)
Both A and R are true and R is the correct explanation of A.
doneclear
B)
Both A and R are true but R is not the correct explanation of A.