Ecological Principles-Species Interactions [CSIR (Council of Scientific & Industrial Research) Life Sciences]: Questions 1 - 3 of 10
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Question 1
Appeared in Year: 2014
Question MCQ▾
An example of the species interaction called commensalism is (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | Nitrogen- fixing bacteria in association with legume plant roots | |
b. | Female mosquito deriving nourishment from human blood | |
c. | Orchid plant growing on the trunk of the mango tree | |
d. | A microbes in living human gut |
Question 2
Appeared in Year: 2018
Question MCQ▾
Following certain statement regarding energy efficiencies of ectotherms and endotherm (June)
1 Ectotherms have high assimilation efficiency but low production efficiency.
2 Ectotherms have low assimilation efficiency but high production efficiency.
3 Endotherms have high assimilation efficiency but low production efficiency.
4 Endotherms have low assimilation efficiency but high production efficiency.
Which one of the following represents the combinations of correct statements?
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 and 4 | |
b. | 1 and 2 | |
c. | 2 and 3 | |
d. | 1 and 3 |
Question 3
Appeared in Year: 2018
Question Match List-Ⅰ List-Ⅱ▾
Given below in Column A are schematic representations of three types of pairwise species interactions and the name of some interactions are in Column B. (December)
List-Ⅰ (Column-I) | List-Ⅱ (Column-II) |
---|---|
(A) Herbivore | (i) Direct Amensalism |
(B) | (ii) apparent competition |
(C) Shared resource | (iii) Interference competition |
Choices
Choice (4) | Response | |
---|---|---|
| ||
a. |
| |
b. |
| |
c. |
| |
d. | All of the above |