Biology MCQ Questions with answers

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Here Important Biology MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

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Q. Radioactivity is a phenomenon of the spontaneous emission of

  • (A) protons (alpha particles)
  • (B) electrons (beta particles)
  • (C) gamma rays (short wave electromagnetic waves)
  • (D) All of the above
📝 Notes
✅ Correct Answer: (D) All of the above

Published by Vikash Gupta ⭐ 33.56K Points at 21-Sep-2021 03:53 pm in Biology

Q. Organic Substances which, in very small amounts, control growth and development called

  • (A) vitamins
  • (B) hormones
  • (C) enzymes
  • (D) None of the above
📝 Notes
✅ Correct Answer: (B) hormones

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:35 pm in Biology

Q. Our major foods, fibres, spices, fruits and beverage crops are

  • (A) flowering plants
  • (B) gymnosperms plants
  • (C) pteridophytes
  • (D) bryophytes
📝 Notes
✅ Correct Answer: (A) flowering plants

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:35 pm in Biology

Q. Movements due to light are shown by

  • (A) flowering plants
  • (B) lower plants
  • (C) all land plants
  • (D) all the plants
📝 Notes
✅ Correct Answer: (A) flowering plants

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:36 pm in Biology

Q. Outer covering of virus made up of protein is

  • (A) capsid
  • (B) coat
  • (C) virion
  • (D) viriod
📝 Notes
✅ Correct Answer: (A) capsid

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:36 pm in Biology

Q. Radish is a

  • (A) bulb
  • (B) conn
  • (C) modified root
  • (D) tuber
📝 Notes
✅ Correct Answer: (C) modified root

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:37 pm in Biology

Q. Most common disease of poultry in India is

  • (A) fowl pox
  • (B) tick fever
  • (C) ranikhet
  • (D) coryza
📝 Notes
✅ Correct Answer: (C) ranikhet

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:38 pm in Biology

Q. Most abundant tissues of our body are

  • (A) muscular
  • (B) connective
  • (C) epithelial
  • (D) nervous
📝 Notes
✅ Correct Answer: (B) connective

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:38 pm in Biology

Q. Rain water helps to increase the ____ to some extent.

  • (A) phosphorous contents
  • (B) nitrogen contents
  • (C) calcium contents
  • (D) potash contents
📝 Notes
✅ Correct Answer: (C) calcium contents

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:40 pm in Biology

Q. Number of chromosomes in down's syndrome is

  • (A) 46
  • (B) 47
  • (C) 48
  • (D) 49
📝 Notes
✅ Correct Answer: (B) 47

Published by Ruchi Sharma ⭐ 9.87K Points at 23-Sep-2021 07:40 pm in Biology

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