1,015 Questions

Biology

Practice Biology MCQs from the Science syllabus.

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ScienceHard
Biology
Cell

In the cell membrane, the hydrophobic tails of phospholipids face:

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ScienceHard
Biology
Cell

Which organelle contains its own genome and follows maternal inheritance in humans?

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ScienceHard
Biology
Cell

What is the function of 'Kinetochore' proteins?

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ScienceHard
Biology
Cell

Which of these is a function of the Cytoskeleton?

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ScienceHard
Biology
Cell

What type of junction allows direct passage of small molecules between adjacent animal cells?

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ScienceHard
Biology
Cell

The primary cell wall of plants is mostly composed of:

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ScienceHard
Biology
Cell

Which organelle is specifically responsible for the synthesis of the precursor to the lysosomal enzymes?

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ScienceHard
Biology
Cell

During meiosis, the homologous chromosomes separate during:

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ScienceHard
Biology
Cell

A human liver cell contains many more _____ than a skin cell due to its role in detoxification.

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ScienceHard
Biology
Cell

What is the size of a bacterial cell approximately?

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ScienceHard
Biology
Cell

Identify the phase of mitosis shown in the diagram where chromosomes are at the center.

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ScienceHard
Biology
Cell

The fluidity of the cell membrane increases if there is a higher percentage of:

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ScienceHard
Biology
Cell

Which of these is a non-membrane bound organelle found in both prokaryotes and eukaryotes?

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ScienceHard
Biology
Cell

What is the main function of 'Middle Lamella'?

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ScienceHard
Biology
Cell

In the Golgi body, the side facing the ER is called the:

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