Which of the following equation is/are correct for the popu…

Biology Organisms and Populations Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

Which of the following equation is/are correct for the population density (N) at time t + 1?

N = Density at time 't'

B = Natality

D = Mortality

I = Immigration

E = Emigration

(I) N = N + [(B + I) – (D + E)]

(II) N = N + [(B – D) + (I – E)]

(III) N = N + [(B + I) + (D + E)]

(IV) N = N – [(B – D) + (I – E)]

Only (I)

Only (I) and (II)

Only (III)

(I), (II), (III) and (IV)

Text Solution

Verified by Experts

The correct answer is:

Population density at time :

Equation (I) is correct.

Also,

So (II) is also correct.

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