Q1. Assertion: Population density indicates a lot about the status of a population in the habitat.
Reason: Absolute population density as well as relative population density serve equally well to find total number of individuals in a population for a given area
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Q2. Assertion: Population density is sometimes measured in terms of biomass.
Reason: In certain cases, measuring the number of individuals to estimate the population density may underestimate the role of certain organisms.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Q3. Assertion: Population of a region does not change.
Reason: Birth rate, death rate and migration affect the population of a region.
OPTIONS
- Only Assertion is correct.
- Only Reason is correct.
- Both Assertion and Reason correct and Reason is correct explanation of Assertion.
- Both Assertion and Reason correct but Reason is not the correct explanation of Assertion.
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