1,015 Questions

Biology

Practice Biology MCQs from the Science syllabus.

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Biology
Cell

What happens to a cell when placed in a hypotonic solution?

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Cell

Which organelle is responsible for the detoxication of drugs and poisons in liver cells?

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Biology
Cell

What is the main component of the cell wall in fungi?

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Biology
Cell

In mitosis, during which phase do the sister chromatids separate and move to opposite poles?

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Biology
Cell

The ribosomes of prokaryotic cells are of which type?

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Biology
Cell

Which cell organelle is called 'dictyosome' in plant cells?

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Biology
Cell

Which of the following is a non-membrane bound organelle?

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Biology
Cell

In meiosis, homologous chromosomes pair up during which stage?

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Cell

What is the primary function of Leucoplasts?

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Biology
Cell

Chromosomes are made up of:

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Biology
Cell

The process of engulfing large particles or food by the cell membrane is called:

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Biology
Cell

Which of the following is double-membranous?

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Cell

Where is the ATP synthesized in the mitochondria?

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Biology
Cell

The shrinkage of cytoplasm away from the cell wall in a hypertonic solution is called:

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Cell

Which stage is known as the 'resting phase' between two successive cell divisions?

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Cell

Identify the phase of mitosis shown in the following diagram.

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Cell

Crossing over between non-sister chromatids occurs in:

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Cell

Which organelle is considered the 'ancestral endosymbiont'?

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Biology
Cell

If a cell has 2n = 46 chromosomes, how many chromosomes will be in its daughter cells after meiosis?

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Biology
Cell

The infoldings of the inner membrane of mitochondria are called:

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