Ecology and Evolution [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 4 of 18
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Question 1
Appeared in Year: 2018
Question MCQ▾
Reproductive isolation of populations leads to: (July)
Choices
Choice (4) | Response | |
---|---|---|
a. | Population decline | |
b. | Infertility | |
c. | Speciation | |
d. | Population explosion |
Question 2
Appeared in Year: 2015
Question MCQ▾
Gause exclusion principle states that: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Complete competitors co-exist | |
b. | Complete competitors tend to co-exist | |
c. | Symbionts evolve into complete competitors | |
d. | Complete competitors cannot co-exist |
Question 3
Appeared in Year: 2020
Question MCQ▾
Ecological Engineering is based on which one of the four classes of ecotechnology?
Choices
Choice (4) | Response | |
---|---|---|
a. | Imitation of Ecosystems to reduce pollution leading to constructed ecosystems AND Recovery of ecosystems after significant disturbances | |
b. | Use of ecosystems to reduce a pollution problem | |
c. | Use of ecosystems for benefit of humanity without destroying ecological balance | |
d. | All a., b. and c. are correct |
Question 4
Question MCQ▾
The blue flowers of Strobilanthes kunthianus that blossoms only once in 12 years are mainly found in:
Choices
Choice (4) | Response | |
---|---|---|
a. | Andaman and Nicobar Islands | |
b. | Western Ghats | |
c. | Western Himalayas | |
d. | Eastern Himalayas |