Biology MCQs with answers Page - 21

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. Animals with Chitinous exoskeleton are

  • (A) Sea-Urchin
  • (B) Snails
  • (C) Insects
  • (D) Sponges

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Q. The floral part that produces pollen grains is

  • (A) Sepal
  • (B) Ovary
  • (C) Petal
  • (D) Anther

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Q. Which one of the following elements is required in small quantities by plants and animals ?

  • (A) Phosphorus
  • (B) Calcium
  • (C) Manganese
  • (D) Magnesium

A

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Q. The 1st stable product of photosynthesis is

  • (A) Sucrose
  • (B) Starch
  • (C) Glucose
  • (D) Phosphoglyceric acid

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Q. Which of the following one of these is a communicable disease -

  • (A) Diphtheria
  • (B) Arthritis
  • (C) Diabetes
  • (D) Cancer

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Q. The most abundant tissues of our body are

  • (A) Nervous
  • (B) Connective
  • (C) epithelia
  • (D) muscular

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Q. Amino acids are required for the synthesis of:

  • (A) Proteins
  • (B) Carbohydrates
  • (C) Lipids
  • (D) Alkaloids

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Q. Flowerless plants are termed as:

  • (A) Cryptogams
  • (B) Phanerogams
  • (C) Thallophytes
  • (D) Bryophytes

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Q. Which of the given helps in circulation of blood -

  • (A) Monocytes
  • (B) Blood platelets
  • (C) Arithrocytus
  • (D) Lymphocytes

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Q. Besides ear ossicles, the cavity of the middle ear in humans contains

  • (A) air
  • (B) otoconia
  • (C) perilymph
  • (D) endolymph

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