3,820 Questions

Science Questions

All Science MCQs for CTEVT entrance exam.

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Biology
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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Biology
Cell

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

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Biology
Cell

Identify the phase of mitosis shown in the following diagram.

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Biology
Cell

Crossing over between non-sister chromatids occurs in:

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Biology
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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Biology
Cell

Which of the following contains its own DNA and can replicate independently?

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Biology
Cell

The division of the nucleus is called:

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Biology
Cell

Which scientist discovered the nucleus in 1831?

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Biology
Cell

In which phase of the cell cycle is DNA replicated?

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Biology
Cell

Which of the following organelles is associated with the formation of acrosome in sperm?

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Biology
Cell

Chromoplasts containing yellow pigment are called:

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Biology
Cell

What is the main function of the nucleolus?

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Biology
Cell

Which cell type contains a very large central vacuole?

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Biology
Cell

The 'Suicide bags' contain which type of enzymes?

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Biology
Cell

Which stage of Prophase I involves the visible appearance of chiasmata?

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Biology
Cell

What is the ratio of chromosomes in a gamete compared to a somatic cell?

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Biology
Cell

Which component provides mechanical support and maintains the shape of the cell?

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