Environmental System Analysis-Models of Population Growth and Interactions [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 4 of 6
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Question 1
Appeared in Year: 2016
Question MCQ▾
Lotka-Volterra model for an ecosystem can be used to study (July)
I. oscillations in prey-predator population.
II. Effect of predator on prey population.
III. Effect of prey on predator population.
Choose the correct answer:
Choices
Choice (4) | Response | |
---|---|---|
a. | II and III only | |
b. | I, II and III | |
c. | I and II only | |
d. | I and III only |
Question 2
Appeared in Year: 2016
Question MCQ▾
In Leslie matrix model, the dynamics of a population explains (September)
(a) growth of the population
(b) decreasing trend in the population
(c) stable condition
Choose the correct code:
Choices
Choice (4) | Response | |
---|---|---|
a. | (a) and (c) only | |
b. | (a) and (b) only | |
c. | (a) , (b) and (c) | |
d. | (b) and (c) only |
Question 3
Appeared in Year: 2015
Question MCQ▾
Choose the correct sequence of phases associated with a population growth that exhibits logistic model represented by ) (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | Lag phase ⇾ Stationary phase ⇾ Exponential phase | |
c. | ||
d. |
Question 4
Appeared in Year: 2020
Question Assertion-Reason▾
Assertion(Ꭺ)
Leslie՚s matrix population model is a discrete and age-independent model
Reason(Ꭱ)
The first row in Leslie՚s projection matrix represents fertility
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
b. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
c. | Ꭺ is false but Ꭱ is true | |
d. | Ꭺ is true but Ꭱ is false |