Free Organisms And Populations (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Natality is the characteristic of a population which means

(a) the increase in number of individuals in a population under given environmental conditions

(b) the total number of individuals present per unit area at a given time

(c) loss of individuals due to death in a population under given environmental conditions

(d) the movement of individuals into and out of population

Question-2

A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is

(a) 15

(b) 10

(c) 05

(d) zero

Question-3

Exponential growth occurs when

(a) there is only asexual reproduction

(b) there is only sexual reproduction

(c) there is a fixed carrying capacity

(d) no inhibition from crowding

Question-4

Female mosquito requires our blood for

(a) Locomotion

(b) Respiration

(c) Digestion

(d) Reproduction

Question-5

Fertility of soil is measured by its ability to

(a) retain nutrients

(b) hold water

(c) hold organic materials

(d) support life