Home
Class 12
BIOLOGY
The composition of oxygen in air is...

The composition of oxygen in air is ______

A

0.24

B

0.35

C

0.78

D

0.21

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF ECOLOGY

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS AND ANSWERS (CHOOSE THE CORRECT STATEMENTS :)|5 Videos

  • PRINCIPLES OF ECOLOGY

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS AND ANSWERS (CHOOSE THE INCORRECT STATEMENTS :)|5 Videos

  • PRINCIPLES OF ECOLOGY

    SURA PUBLICATION|Exercise UNIT TEST (LONG ANSWER)|1 Videos

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    SURA PUBLICATION|Exercise UNIT TEST ( II VERY SHORT ANSWER )|5 Videos

  • PROBLEMS-2 MARKS

    SURA PUBLICATION|Exercise Subjective Type Question|25 Videos

Similar Questions

Explore conceptually related problems

The composition of carbon di oxide in air is ______

The composition of Nitrogen in the atmosphere is _____

The composition of Ammonium nitrate in MS medium is.

The K_H for the solution of oxygen dissolved in water is 4xx 10^(4) atm at a given temperature . If the partial pressure of oxygen in air is 0.4 atm the mole fraction of oxygen in solution is

What is the composition of pearl?

Write the composition of gases in atmosphere.