The oxygen concentration in the air is________________?

Related Mcqs:

Plants which grow on dry region are____________________?

A. Xerophytes B. Thermophytes C. Hydrophytes D. Haplophytes...

Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?

A. Infra blue radiation B. Infra red radiation C. X rays D. None of the above...

The Cotton plant belong to family ?

A. Gramineae B. Fabaceae C. Malvaceae D. Leguminaceae...

Melilotus alba is objectional weed of__________________________?

A. Okra B. Methi C. Cucurbits D. Wee...

A warm summer and pronounced winter is called________________?

A. Arid B. Tropical C. Temperature D. None of the above...