MCQ Practice Hub

Biology MCQs

Q51. What is the function of the ribosome?

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Correct: Protein synthesis

Ribosomes assemble amino acids into proteins based on mRNA.

Q52. Which blood cells fight infection?

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Correct: White blood cells

White blood cells are part of the immune system and defend against pathogens.

Q53. What is the largest organ in the human body?

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Correct: Skin

The skin is the largest organ, providing protection and regulation.

Q54. What gas do plants release during photosynthesis?

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Correct: Oxygen

Plants produce oxygen as a byproduct of photosynthesis.

Q55. Which scientist is known as the father of genetics?

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Correct: Gregor Mendel

Mendel conducted pea plant experiments establishing laws of inheritance.

Q56. What is the process of cell division in somatic cells?

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Correct: Mitosis

Mitosis produces two identical daughter cells for growth and repair.

Q57. Which organelle contains chlorophyll?

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Correct: Chloroplast

Chloroplasts are site of photosynthesis in plant cells.

Q58. What is the monomer of proteins?

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Correct: Amino acid

Proteins are polymers made of amino acid units.

Q59. Which ecosystem has the highest biodiversity?

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Correct: Tropical rainforest

Tropical rainforests support the greatest variety of species.

Q60. What is the function of the nucleus?

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Correct: Control center of the cell

The nucleus houses DNA and directs cell activities.

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