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The most abundant constituent of atmospheric air is ?

  • Oxygen
  • Hydrogen
  • Carbon
  • Nitrogen

Answer: Option D

Similar Questions :

1. Breeding and management of bees is known as :

  • Sericulture
  • Apiculture
  • Silviculture
  • Pisciculture

Answer: Option B

2. Which among the following hormone can be used as a drug to treat cardiac arrest ?

  • Thyroxin
  • Calcitonin
  • Epinephrine
  • Insulin

Answer: Option C

3. Cirrhosis is a disease that affects which among the following organs ?

  • Kidney
  • Liver
  • Pancreas
  • Small Intestine

Answer: Option B

4. Plants synthesis protein from

  • Starch
  • Sugar
  • Fatty acids
  • Amino acids

Answer: Option D

5. Rubber is obtained from ?

  • cell sap
  • latex
  • gun
  • resin

Answer: Option B

Read more from - Biology Questions Answers
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