Biology MCQs with answers Page - 100

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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A

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Q. A cross between homozygous recessive & heterozygous plant is

  • (A) Back cross
  • (B) Dihybrid cross
  • (C) Monohybrid cross
  • (D) Test cross

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Q. Quinine, the commonly used drug to treat malaria, is obtained from a plant. What part of the plant yields the drug

  • (A) Leaves
  • (B) Fruits
  • (C) Root
  • (D) Stem bark

A

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Q. The weight of a body at the core of earth is:

  • (A) half the weight at the surface
  • (B) infinite
  • (C) twice the weight at the surface
  • (D) 0

A

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Q. HCI is secreted by

  • (A) Peptic cell
  • (B) Zymogen cells
  • (C) Oxyntic cells
  • (D) None of these

A

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Q. Tetanus is caused by

  • (A) Clostridium
  • (B) Virus
  • (C) Bacteriophage
  • (D) Salmonella

A

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Q. Companion cells of phloem are found in

  • (A) Gymnosperms
  • (B) Angiosperms
  • (C) Bryophyta
  • (D) Pteridophyta

A

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Q. The alimentary canal is usually longer in

  • (A) Herbivores
  • (B) Omnivores
  • (C) Insectivores
  • (D) Carnivores

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Q. The type of fruit obtained from a multicarpillary, apocarpous gynoecium is:

  • (A) aggregate
  • (B) multiple
  • (C) composite
  • (D) simple

A

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Q. Which of the following amongst the following is largest endocrine gland in the body -

  • (A) Parathyroid
  • (B) Thyroid
  • (C) Adrenal
  • (D) Pituitary

A

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Q. Universal donors are people with the blood group

  • (A) AB
  • (B) O
  • (C) B
  • (D) A

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