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The most abundant constituent of atmospheric air is ?

  • Oxygen
  • Hydrogen
  • Carbon
  • Nitrogen

Answer: Option D

Similar Questions :

1. The quantity of human blood is what percent of total weight ?

  • 5%
  • 6%
  • 7%
  • 8%

Answer: Option C

2. What is scientific name of Mango ?

  • Bos indicus
  • Mangifera indica
  • Musca domestica
  • Oryza sativa

Answer: Option B

Explanation:

Bos indicus is scientific name of Cow.

Musca domestica is scientific name of Housefly.

Oryza sativa is scientific name of Rice.

3. Which is not a part of blood ?

  • RBC
  • WBC
  • Plasma
  • Placenta

Answer: Option D

4. DNA is

  • Deoxyribo Nucleic Acid
  • Double Nucleic Acid
  • Deoxy Nucleic Acid
  • Deoxyribo Nucleic Alum

Answer: Option A

5. Bamboo is classified as

  • Bush
  • Tree
  • Grass
  • Weed

Answer: Option C

Read more from - Biology Questions Answers
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