3,820 Questions

Science Questions

All Science MCQs for CTEVT entrance exam.

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ScienceMedium
Biology
Ecology

Which of the following describes 'Commensalism'?

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ScienceMedium
Biology
Ecology

What is 'Biomass' in an ecological context?

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ScienceMedium
Biology
Ecology

Which of the following is a major cause of soil erosion?

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ScienceMedium
Biology
Ecology

What does 'Ex-situ' conservation mean?

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ScienceMedium
Biology
Ecology

In a pyramid of biomass for a pond ecosystem, which level usually has the least biomass?

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ScienceMedium
Biology
Ecology

Which chemical is used to test the presence of starch in a leaf?

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ScienceMedium
Biology
Ecology

An inverted pyramid of numbers is typically found in which ecosystem?

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ScienceMedium
Biology
Ecology

Which organism is known as the 'friend of farmers'?

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ScienceMedium
Biology
Ecology

The term used for a group of different populations living in the same area and interacting is:

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ScienceMedium
Biology
Ecology

Which of these gases is absorbed by plants during photosynthesis?

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ScienceMedium
Biology
Ecology

What is the main reason for 'Global Warming'?

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ScienceMedium
Biology
Ecology

Which trophic level has the most biomass in a stable terrestrial ecosystem?

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ScienceMedium
Biology
Ecology

Which bacteria is found in the root nodules of leguminous plants?

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ScienceMedium
Biology
Ecology

The transfer of energy from one trophic level to another is governed by which law?

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ScienceMedium
Biology
Ecology

What is the ultimate goal of ecological conservation?

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ScienceHard
Biology
Ecology

A specific bird species follows a herd of cattle to eat insects stirred up by the cattle's movement. This bird is neither helping nor harming the cattle. This is:

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ScienceHard
Biology
Ecology

In a forest ecosystem, if all the tigers are removed, what will be the immediate impact on the deer population?

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ScienceHard
Biology
Ecology

Which of these correctly represents the Net Primary Productivity (NPP)?

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ScienceHard
Biology
Ecology

What is the phenotypic effect of 'Biological Magnification' on predatory birds like eagles in the past?

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ScienceHard
Biology
Ecology

In the context of the Nitrogen Cycle, identify the process occurring in waterlogged soils where nitrates are converted back to Nitrogen gas.

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