List of practice Questions

Choose the correct statement about water pollution?
A. Dissolved oxygen is inversely proportional to BOD in waste water.
B. Dissolved ion increases turbidity of water.
C. Turbidity is a measure of transparency of water.
D. Alkalinity is caused by carbonate, bicarbonate and hydroxides.
E. Alkalinity is base neutralising capacity of water.
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Which of the following is NOT an air pollution control measure/ technique?

Arrange the following steps involved in the sewage treatment in correct order from initial to the last.
A. Coagulation and Flocculation
B. Chemical disinfection
C. Screening
D. Distribution of treated water
E. Sediment and filtration
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Gandhiji's concept of development is Sarvodaya which can be achieved through ..................

Which of the following is not considered as a typical case of migration?

Parasites, that feed on external surface of the host organism are called ...................

Commensalism is a kind of population interaction, in which ...................

Which of the following are criteria air pollutants under NAAQS in India?
A. CO
B. $\text{CO}_2$
C. $\text{NO}_2$
D. $\text{SO}>_2$
E. Pb
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Arrange the following in increasing order of their sand content
A. Sandy soil
B. Silty Soil
C. Clayey soil
D. Loamy soil
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Which of the following soil horizon of a typical soil profile will have the highest abudance of organic matter?

Which of the following issue is NOT addressed by Eco-feminism?

Which of the following formula is correct to calculate "the average rate of change in the number of organisms per time, per organisms", in population growth rate ?
Where, N represent the number of organisms and t is the time.

Arrange the following forest types according to latitudinal zonation from equator towards poles
A. Deciduous Forest
B. Coniferous Forest
C. Grassland
D. Tundra Forest
E. Tropical rain Forest
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Arrange the following ecological succession in the lithosphere (rocks) from final to initial succession stage
A. Moss stage
B. Foliose - lichens stage
C. Herbaceous stage
D. Crustose - lichens Stage
E. Shrub stage
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Which of the following ecological pyramid is always inverted?

Diversity of habitat over the total landscape or geographical area is referred to as ..................

Match the LIST-I with LIST-II

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Match the LIST-I with LIST-II

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First "Earth Day" was celebrated on ...................

Gabriel phthalimide synthesis of amines produces

Peptide bond in proteins is strutcurally represented as

Fibrous protein is characterized by the presence of hydrogen and disulfide bonds. Examples of fibrous protein are
(A) Keratin
(B) Myosin
(C) Insulin
(D) Albumins
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Match List-I with List-II

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Which of the following gives the correct representation of zwitter ion of the given amino acid ?

The first step in conversion of aniline to 4-bromoaniline involves