Science MCQ Questions with answers

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Here Important Science 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. The chief raw material used for manufacturing Rayon is:

  • (A) Radium & Argon
  • (B) Cellulose
  • (C) Nylon
  • (D) Silicon
📝 Notes
✅ Correct Answer: (B) Cellulose

Published by Ram Sharma ⭐ 193.88K Points at 03-May-2022 07:56 pm in Science

Q. What happens during seed germination?

  • (A) Heat is liberated
  • (B) Light is absorbed
  • (C) Fat is synthesised
  • (D) Starch is synthesised
📝 Notes
✅ Correct Answer: (A) Heat is liberated

Published by Ram Sharma ⭐ 193.88K Points at 04-May-2022 08:18 pm in Science

Q. In bio fortification technique plant breeders use breeding to overcome

  • (A) Loss due to plant diseases
  • (B) Deficiencies of micronutrients & vitamins
  • (C) Loss due to insect pests
  • (D) Fall in food production
📝 Notes
✅ Correct Answer: (B) Deficiencies of micronutrients & vitamins

Published by Ram Sharma ⭐ 193.88K Points at 04-May-2022 08:24 pm in Science

Q. The sky seems blue as of

  • (A) Atmospheric water vapour
  • (B) Scattering of light
  • (C) Emision of blue wavelength by the sun
  • (D) Reflection on sea water
📝 Notes
✅ Correct Answer: (B) Scattering of light

Published by Ram Sharma ⭐ 193.88K Points at 04-May-2022 08:45 pm in Science

Q. If water smells bad, then that odour can be removed by adding

  • (A) bleach
  • (B) deactivated nitrogen
  • (C) activated carbon
  • (D) alum
📝 Notes
✅ Correct Answer: (C) activated carbon

Published by Ram Sharma ⭐ 193.88K Points at 06-May-2022 02:28 pm in Science

Q. The branch of biology dealing with the study of cells is known as

  • (A) Histology
  • (B) Physiology
  • (C) Cytology
  • (D) Psychology
📝 Notes
✅ Correct Answer: (C) Cytology

Published by Ram Sharma ⭐ 193.88K Points at 08-May-2022 09:29 am in Science

Q. What do you call the study of fungi

  • (A) Mycology
  • (B) Ecology
  • (C) Parasitology
  • (D) Bacteriology
📝 Notes
✅ Correct Answer: (A) Mycology

Published by Ram Sharma ⭐ 193.88K Points at 08-May-2022 09:38 pm in Science

Q. Which of the following is not a macronutrient?

  • (A) Carbohydrates
  • (B) Calcium
  • (C) Chlorine
  • (D) Proteins
📝 Notes
✅ Correct Answer: (C) Chlorine

Published by Akash Lawaniya ⭐ 9.58K Points at 13-Jun-2022 08:33 pm in Science

Q. Which of the following is true of a scientific theory?

  • (A) It is only accepted after the person who came up with it has died.
  • (B) It is a method or device that applies scientific knowledge for some specific purpose.
  • (C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.
  • (D) It must demonstrate the effect of one variable by testing control groups and experimental groups.
📝 Notes
✅ Correct Answer: (C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2022 08:48 pm in Science

Q. What is the major monosaccharide found in the body?

  • (A) Galactose
  • (B) Sucrose
  • (C) Fructose
  • (D) Glucose
📝 Notes
✅ Correct Answer: (D) Glucose
Explanation: Glucose is the major monosaccharide found in the body. It is absorbed directly into the bloodstream duringdigestion and a vital carbohydrate as it is a source of energy.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2022 09:22 pm in Science

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