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Mayank1444
@mayank1444
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Joined: Oct 11, 2021
Last seen: Nov 14, 2021
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Answer to: A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this?

Correct answer: (1) The lake water turned green and stinky

4 years ago
Forum
Biology
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Answer to: About 70% of total global carbon is found in

Correct answer: (1) oceans

4 years ago
Forum
Biology
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Answer to: The slow rate of decomposition of fallen logs in nature is due to their

Correct answer: (3) low cellulose content

4 years ago
Forum
Biology
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Answer to: Consider the following statements concerning food chains (1) the length of food chains is generally limited to 3-4 trophic levels due to energy loss

Correct answer: (2) removal of 80% tigers from an area resulted in greatly increased growth of vegetation

4 years ago
Forum
Biology
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Answer to: If by radiation all nitrogenase enzymes are inactivated, then there will be no

Correct answer: (2) fixation of nitrogen in legumes

4 years ago
Forum
Biology
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Answer to: An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having

Correct answer: (2) low stability and high resilience

4 years ago
Forum
Biology
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Answer to: Barophilic prokaryotes: (1) readily grow and divide in sea water enriched in any soluble salt of barium (2) grow and multiply in very deep marine sediments

Correct answer: (2) grow and multiply in very deep marine sediments

4 years ago
Forum
Biology
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Answer to: More than 70% of world’s freshwater is contained in:

Correct answer: (2) polar ice

4 years ago
Forum
Biology
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Answer to: Which one of the following is not used for construction of ecological pyramids?

Correct answer: (1) Fresh weight

4 years ago
Forum
Biology
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Answer to: Sudden mass killing of fishes is likely in

Correct answer: (3) eutrophic lake

4 years ago
Forum
Biology
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Answer to: Pneumatophores are characteristic of plants growing in

Correct answer: (1) marshy places and salt lakes

4 years ago
Forum
Biology
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Answer to: The greatest biomass of autotrophs in the oceans is that of

Correct answer: (4) free floating microalgae, cyanobacteria and nanoplankton

4 years ago
Forum
Biology
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Answer to: Bamboo plant is growing in a fir forest then what will be the trophic level of it?

Correct answer: (2) First trophic level (T1)

4 years ago
Forum
Biology
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Answer to: Which of the following is expected to have the highest value (gm/m2 /yr) in a grassland ecosystem?

Correct answer: (1) Gross Production (GP)

4 years ago
Forum
Biology
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Answer to: The rate at which light energy is converted to the chemical energy of organic molecules is the ecosystem’s

Correct answer: (4) gross primary productivity

4 years ago
Forum
Biology
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Answer to: Warm ocean surge of the Peru Current reoccurring every 5- 8 years or so in the East Pacific of South America is widely known as

Correct answer: (4) El Nino

4 years ago
Forum
Biology
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Answer to: Upper part of sea/aquatic ecosystem contains

Correct answer: (2) plankton

4 years ago
Forum
Biology
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Answer to: What is true of ecosystem? (1) Producers are more than primary consumers (2) Primary consumers are least dependent upon producers

Correct answer: (1) Producers are more than primary consumers

4 years ago
Forum
Biology
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Answer to: In an ecosystem, which one shows one-way passage (1) nitrogen (2) free energy (3) potassium (4) carbon

Correct answer: (2) free energy

4 years ago
Forum
Biology
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Answer to: In a food chain, the largest population is that of

Correct answer: (4) producers

4 years ago
Forum
Biology
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