Biology MCQs with answers Page - 102

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. The part of the flower that can carry out photosynthesis is

  • (A) Corolla
  • (B) Androecium
  • (C) Calyx
  • (D) Gynoecium

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Q. The famous double-helix model of DNA was proposed by

  • (A) Schleiden and Schwann
  • (B) Linnaeus and Theophrastus
  • (C) Brown and Hooke
  • (D) Watson and Crick

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Q. Which one of the following is the limiting rate of photosynthesis in nature?

  • (A) O2
  • (B) CO2
  • (C) Chlorophyii
  • (D) light

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Q. Which of the following one of the following is an indicator of air pollution

  • (A) Bryophytes
  • (B) Algae
  • (C) Cycas
  • (D) Lichens

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Q. If waste materials contaminate the source of drinking water, Which among the given diseases will spread

  • (A) Scurvy
  • (B) Typhoid
  • (C) Anaemia
  • (D) Malaria

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Q. Interferons are synthesized in response to

  • (A) Fungi
  • (B) Bacteria
  • (C) Virus
  • (D) Mycoplasma

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Q. The histogen, from which epidermis is formed, is

  • (A) Calyptrogen
  • (B) Dermatogen
  • (C) Periblem
  • (D) Plerome

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Q. The Drone in honey-bee are

  • (A) Fertile male
  • (B) Sterile male
  • (C) Sterile female
  • (D) Fertile female

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Q. What causes the mottling of the dental enamel

  • (A) High levels of calcium in the water
  • (B) High levels of fluorides in the water
  • (C) High levels of nitrate in the water
  • (D) High levels of chlorine in water

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Q. Bone is used as a fertiliser as it contains the plant nutrient

  • (A) Nitrogen
  • (B) Sodium
  • (C) Phosphorus
  • (D) Calcium

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