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Match the symbols used in population growth models in List-I with their correct descriptions in List-II. List-I List-II (a) N_t (i) Base of natural logarithms (b) r (ii) Rate of change in population size (c) e (iii) Population density after time t (d) dN dt (iv) Intrinsic rate of natural increase Choose the correct answer from the options given below:

Options

  1. A(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  2. B(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
  3. C(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  4. D(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Correct answer

A. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Step-by-step solution

According to the mathematical models of population growth in NCERT: dN dt represents the rate of change in population size (increase or decrease in N during time period t ). r represents the intrinsic rate of natural increase. N_t represents the population density after time t . e represents the base of natural logarithms ( 2.71828 ). Therefore, the correct matching is (a)-(iii), (b)-(iv), (c)-(i), and (d)-(ii). Answer: (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

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