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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: Deforestation will decrease (1) soil fertility (2) soil erosion (3) rainfall (4) land slides

Correct answer: (3) rainfall

4 years ago
Forum
Biology
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Answer to: The second stage of hydrosere is occupied by plants like (1) Salix (2) Azolla (3) Vallisneria (4) Typha

Correct answer: (3) Vallisneria

4 years ago
Forum
Biology
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Answer to: Natural reservoir of phosphorus is (1) Fossils (2) Animal bones (3) Sea water (4) Rock

Correct answer: (4) Rock

4 years ago
Forum
Biology
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Answer to: Which one of the following processes during decomposition is correctly described?

Correct answer: (3) Fragmentation-Carried out by organisms such as earthworm

4 years ago
Forum
Biology
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Answer to: Secondary productivity is rate of formation of new organic matter by

Correct answer: (4) Consumer

4 years ago
Forum
Biology
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Answer to: Identify the possible link “A” in the following food chain: Plant insect - frog “A” Eagle

Correct answer: (1) Cobra

4 years ago
Forum
Biology
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Answer to: Which one of the following is not a function of an ecosystem

Correct answer: (3) Stratification

4 years ago
Forum
Biology
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Answer to: The upright pyramid of number is absent in (1) Lake (2) Pond (3) Grassland (4) Forest

Correct answer: (4) Forest

4 years ago
Forum
Biology
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Answer to: The rate of formation of new organic matter by rabbit in a grassland is called

Correct answer: (4) secondary productivity

4 years ago
Forum
Biology
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Answer to: Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

Correct answer: (1) It is inverted in shape

4 years ago
Forum
Biology
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Answer to: Which one of the following animals may occupy more than one trophic level in the same ecosystem at the same time?

Correct answer: (2) Sparrow

4 years ago
Forum
Biology
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Answer to: Both, hydrarch and xerarch successions lead to:

Correct answer: (2) medium water conditions

4 years ago
Forum
Biology
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Answer to: Pheretima and its close relatives derive nourishment from

Correct answer: (4) decaying fallen leaves and soil organic matter

4 years ago
Forum
Biology
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Answer to: Which one of the following is not a gaseous biogeochemical cycle in ecosystem?

Correct answer: (4) Phosphorus cycle

4 years ago
Forum
Biology
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Answer to: The correct sequence of plants in a hydrosere is: (1) Oak→Lantana →Volvox →Hydrilla → Pistia →Scirpus

Correct answer: (2) Volvox → Hydrilla → Pistia →Scirpus Lantana → Oak

4 years ago
Forum
Biology
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Answer to: Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

Correct answer: (2) Fish

4 years ago
Forum
Biology
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Answer to: Study the four statements (i–iv) given below and select the two correct ones out of them: (i) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers

Correct answer: (3) (i) and (ii)

4 years ago
Forum
Biology
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Answer to: The biomass available for consumption by the herbivores and the decomposers is called

Correct answer: (2) net primary productivity

4 years ago
Forum
Biology
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Answer to: Mass of living matter at a trophic level in an area at any time is called

Correct answer: (2) standing crop

4 years ago
Forum
Biology
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Answer to: Which one of the following ecosystem types has the highest annual net primary productivity?

Correct answer: (3) tropical rain forest

4 years ago
Forum
Biology
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