MCQs on Environmental Issues- 18

1. Which of the following material is not easily broken down?

(A) Cellulose
(B) Hemicellulose
(C) Chitin
(D) Amino acids



2. Tectonic control in landscape evolution is manifested by

(A) Tilted river terraces
(B) Alluvial forms
(C) Increased boulder proportions in the river belt
(D) River meandering



3. Difference between mineral resource and reserve is

(A) Reserve implies high degree of economic viability
(B) Resource implies high degree of geological knowledge
(C) Reserve implies high degree of economic viability and high degree of geological knowledge
(D) Resource implies high degree of economic viability and high degree of geological
knowledge



4. Characteristic difference between two polar Ice Caps is

(A) Arctic Ice Cap is on land
(B) Antarctic Ice Cap is on land
(C) Both are on land but Antarctic Ice Cap is thicker
(D) Both are on sea but Arctic Ice Cap is thicker



5. Laterite represents

(A) Regolith soil
(B) Glacial soil
(C) Black cotton soil
(D) Red soil



6. In a whole-rock chemical analysis the dividing criterion between major and trace element on weight percent basis is

(A) 1 %
(B) 0.1 %
(C) 0.01 %
(D) 0.001 %



7. The mineral, most resistant to chemical weathering is

(A) Olivine
(B) Quartz
(C) K-feldspar
(D) Biotite



8. Assertion (A): Phosphorus cycle is not an exogenic elemental cycle.
Reason (R): Phosphorus cycle does not have a gaseous component.

Choose correct answer:
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true, but (R) is not correct explanation of (A).
(C) (A) is true, but (R) is false.
(D) (A) is false, but (R) is true.



9. The El Nino disappears in March and re-appears in

(A) May
(B) August
(C) October
(D) December



10. Bio-oil can be obtained from lignocellulose by

(A) Combustion
(B) Fast pyrolysis
(C) Gasification
(D) Transesterification




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