set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 1 EXERCISES
The following question based on ecology and environment awareness topic of general science mcq
(a) Carl Mobius
(b) Tansley
(c) Lindeman
(d) Darwin
The correct answers to the above question in:
Answer: (c)
Lindeman proposed the 10% law of flow of energy in ecosystem. According to this law only 10% energy passed from one trophic level to other in a food chain.
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Read more ecology and environment awareness Based General Science Questions and Answers
Question : 1
'Project Tiger' in India was started in
a) 1972
b) 1981
c) 1970
d) 1985
Answer »Answer: (a)
Question : 2
Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
a) Lion
b) Goat
c) Sparrow
d) Frog
Answer »Answer: (c)
It feeds upon grains hence called primary consumer and can also feed on insects hence called secondary consumer at the same time in the same ecosystem.
Question : 3
Which of the following is the most stable ecosystem?
a) Desert
b) Forest
c) Mountain
d) Ocean
Answer »Answer: (d)
2/3 parts of each is ocean here, various types of food chains form food webs. This ecosystem is most stable due to buffering action of water.
Question : 4
Which most often limits the primary productivity of the ecosystem ?
a) Oxygen
b) Consumers
c) Solar radiation/light
d) Nitrogen
Answer »Answer: (c)
Question : 5
More than 70% of world’s freshwater is contained in
a) glaciers and mountains
b) antarctica
c) polar ice
d) greenland
Answer »Answer: (c)
Three fourth the surface of the earth is covered by oceans which contain 97.5% of total water.
It is marine water with about 3.5% salt content only 2.5% is fresh water which occurs on land.
Most of this water (1.97%) occurs from frozen ice caps and glaciers, and 0.5% of fresh water occurs as groundwater.
Rivers and lakes contain 0.02%, soil 0.01% while the atmosphere possesses 0.001% of water as vapours.
Question : 6
Which one is nature's cleaner ?
a) Producers
b) Decomposers and scavengers
c) Consumers
d) Symbionts
Answer »Answer: (b)
GET ecology and environment awareness PRACTICE TEST EXERCISES
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