Oxygen Cycle

IMPORTANT

Oxygen Cycle: Overview

Through this topic, we will learn the properties of oxygen and the characteristics of respiration, and photosynthesis. Oxygen is the second most abundant element found in the atmosphere. It is also necessary for the decomposition of decaying matter.

Important Questions on Oxygen Cycle

EASY
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 1

Plants produce oxygen by the process of _____.

EASY
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 2

Oxygen is produced by plants and used by animals.

HARD
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 3

How does the oxygen content in the air is maintained?

MEDIUM
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 4

Draw a diagram of the oxygen cycle.

EASY
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 5

Oxygen is returned to the atmosphere mainly by

EASY
IMPORTANT
Science>Biogeochemical Cycles>Oxygen Cycle> Q 6

Oxygen is returned to the atmosphere in only one major process. It is :