List of top Physical Sciences Questions on Environmental Science

Dichloral urea is used as a

The Environment Protection Act was enacted in the year:

The Environment Protection Act was enacted in India in the year

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : The sky is blue due to scattering of sunlight.
Reason (R) : The sky reflects the sea and ocean, which are blue.
In light of the above statements, choose the most appropriate answer from the options given below.

Vertical movement of air and heat from earth surface to the atmosphere is

Unit of Mixing Ratio is

Which class of carbohydrates is considered non-sugar?

In the USDA soil classification system, fine sand has a size range of:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Mulching controls soil erosion and improves soil water retention.
Reason R: Intensive tillage-based agricultural production system has had a negative impact on qualities of soil, water, and biodiversity.
In light of the above statements, choose the correct answer from the options given below:

In situ unsaturated hydraulic conductivity is measured by

The term oligotrophic refers to

Organic nutrients in water bodies promote -
A. Growth of natural population of aquatic bacteria
B. Biological Oxygen Demand
C. Eutrophication
Choose the most appropriate answer from the options given below:

The running water is called

The essentiality of Molybdenum was discovered by

Wind-blown deposits are called

In general, lower the latitude of a place, the

Comparatively stable fraction of the soil organic matter, left after the decomposition of major portion of added plant and animal residues, is called