Ecosystems [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 21 - 25 of 196
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Question 21
Appeared in Year: 2011
Question MCQ▾
The amount of biomass which can be sustained under steady state condition of an ecosystem is termed as – (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | Primary productivity | |
b. | Carrying capacity | |
c. | Sustainable yield | |
d. | System homeostasis |
Question 22
Appeared in Year: 2017
Question MCQ▾
Which of the following can be used for valuing environmental amenities? (January)
a. Hedonic pricing
b. Travel cost
c. Contingent valuation
Choose the correct code:
Choices
Choice (4) | Response | |
---|---|---|
a. | a | |
b. | c | |
c. | b | |
d. | All a., b. and c. are correct |
Question 23
Appeared in Year: 2017
Question MCQ▾
Ecosystem restoration deals with restoring:
Choices
Choice (4) | Response | |
---|---|---|
a. | Physical environment | |
b. | Biodiversity | |
c. | Ecosystem integrity | |
d. | Ecosystem resistance |
Question 24
Appeared in Year: 2018
Question MCQ▾
Zone of rapid changes in density in oceans is known as
Choices
Choice (4) | Response | |
---|---|---|
a. | Stenocline | |
b. | Pycnocline | |
c. | Halocline | |
d. | Pseudo-congruence |
Question 25
Appeared in Year: 2018
Question MCQ▾
The nature of food web at the developmental stage of a succession is: (July)
Choices
Choice (4) | Response | |
---|---|---|
a. | Web like, predominantly grazing | |
b. | Linear, predominantly detritus | |
c. | Web like, predominantly detritus | |
d. | Linear, predominantly grazing |