Question # 1

What percentage of oxygen inhaled form air during breathing?

21%

22%

23%

24%

All populations collectively are called:

Species

Biome

Community

Ecosystem

Cacti are example of:

Hydrophytes

Xerophytes

Halophytes

None of these

The plant in which vegetative propagation occurs by:

Garlic

Ginger

Potato

Bryopylium

The substance used for the treatment, cure, prevention or diagnosis of disease are called:

Modicinal drugs

Narcotics

Hallucinogens

Sedatives

Consumers include:

animals

protozoans

fungi

all of these

Biology Life Science Test Easy Mode MCQs With Answers