1,015 Questions

Biology

Practice Biology MCQs from the Science syllabus.

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ScienceMedium
Biology
Ecology

What is the main cause of the 'Greenhouse Effect'?

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ScienceMedium
Biology
Ecology

Which ecosystem has the highest rate of net primary productivity?

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ScienceMedium
Biology
Ecology

What type of interaction exists between a tiger and a deer?

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ScienceMedium
Biology
Ecology

The total number of species in a particular region is called:

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ScienceMedium
Biology
Ecology

Which layer of the forest is directly below the canopy?

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ScienceMedium
Biology
Ecology

What is the term for the functional role of a species in its ecosystem?

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ScienceMedium
Biology
Ecology

Which of the following describes 'Secondary Succession'?

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ScienceHard
Biology
Ecology

The term 'Ecosystem' was first coined by:

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ScienceHard
Biology
Ecology

In an inverted pyramid of numbers, which level has the fewest individuals?

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ScienceHard
Biology
Ecology

Which of the following is a characteristic of a 'K-selected' species?

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ScienceHard
Biology
Ecology

What is the 'Edge Effect' in ecology?

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ScienceHard
Biology
Ecology

Which biome is characterized by permafrost?

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ScienceHard
Biology
Ecology

What does the 'Competitive Exclusion Principle' state?

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ScienceHard
Biology
Ecology

Which type of ecological pyramid can be spindle-shaped?

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ScienceHard
Biology
Ecology

What is the main reservoir of phosphorus in the phosphorus cycle?

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ScienceHard
Biology
Ecology

Which plant adaptation is typical of xerophytes to reduce water loss?

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ScienceHard
Biology
Ecology

The process of 'Ammonification' involves:

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ScienceHard
Biology
Ecology

What defines a 'Lentic' ecosystem?

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ScienceHard
Biology
Ecology

What is the 'Carrying Capacity' of an ecosystem?

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ScienceHard
Biology
Ecology

Which of the following is a 'Pioneer Species' in a lithosere?

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