Biology MCQs with answers Page - 124

Here, you will find a collection of MCQ questions on Biology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Meningitis is caused by

  • (A) Salmonella
  • (B) Fungi
  • (C) Virus menin
  • (D) Meningococcus

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Q. Which tissue is responsible for the passage of water in plants?

  • (A) Collenchynatous cells
  • (B) Xylem
  • (C) Phloem
  • (D) Sclerenchyma

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Q. Which among the given has no blood, but respires -

  • (A) Fish
  • (B) Cockroach
  • (C) Hydra
  • (D) Earthworm

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Q. Out of the following glands which is referred to as the master gland -

  • (A) Thyroid
  • (B) Pancreas
  • (C) Pituitary
  • (D) Adrenal gland

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Q. Which base is present in RNA, but not DNA?

  • (A) guanine
  • (B) Cytosine
  • (C) uracil
  • (D) Thymine

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Q. Mycoplasma is related with a disease that affects the organs of

  • (A) reproduction
  • (B) excretion
  • (C) digestion
  • (D) respiration

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Q. What happens each day when the leaf of a plant is first exposed to light?

  • (A) the epidermal cells on the upper surface of the leaf begin to photosynthesize
  • (B) the cells of the spongy mesophyll begin to take up carbon dioxide, and are the only cells that are able to do so
  • (C) the guard cells become more turgid and the stomatal apertures open
  • (D) carbon dioxide diffuses out of the leaf

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Q. Which of the following one of the following is true regarding plant cells & animal cells -

  • (A) Plant cells & animal cells are similar in all respects
  • (B) Plant cells contain nucleus while animal cells do not
  • (C) Plant cells contain chloroplast while animal cells do not.
  • (D) Plant cells are small while animal cells are big in size

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Q. Red blood corpuscles are formed in the

  • (A) Bone marrow
  • (B) liver
  • (C) kidneys
  • (D) Heart

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Q. How do most insects respire?

  • (A) Through gills
  • (B) Through skin
  • (C) By tracheal system
  • (D) By lungs

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