MCQ on Environmental Sciences for various Agriculture Exams✅ Part - 1

1) Among total dissolved matter in marine water, chlorine accounts for
i. 12%
ii. 24%
iii. 30%
iv. 55%

2) The term of Kyoto protocol has been extended beyond December 2012 by
i. 10 years
ii. 5 Years
iii. 15 years
iv. 7 years

3) The mineral that is most resistant to chemical weathering is
i. Quartz
ii. Feldspar
iii. Olivine
iv. Biotite

4) For agriculture the good soil type is
i. Latosols
ii. Podozols
iii. Serpent soil
iv. Solonachak

5) Peroxyacetyl Nitrate is formed by oxidation of
i. Hydrocarbon
ii. Terpene
iii. Isoprene
iv. All of above

6) For plant most important form of water is
i. Capillary water
ii. Hygroscopic water
iii. Gravitational water
iv. Combined water

7) Mycorrhizae is an example of
i. Commensalism
ii. Ammensalism
iii. Symbiosis
iv. Parasitism

8) Free living nitrogen fixer is
i. Rhizobium
ii. Frankia
iii. Dorylimes
iv. Azotobacter

9) Azolla pinnata is
i. Red algae
ii. Fern
iii. Green algae
iv. Blue green algae

10) Ecomark is
i. Label given to non-recyclable product
ii. Label given to an environment friendly product
iii. Label given to recycled product
iv. None of above

11) The wavelength range of UV-C radiation is
i. 320-400 nm
ii. 200-280 nm
iii. 180-240 nm
iv. 280-320 nm

12) In a new area establishment of a species is called
i. Aggregation
ii. Migration
iii. Ecesis
iv. Stabilisation