UPSC 2000 › Environment & Ecology
2 questions · 2000 · answers as per the UPSC key
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UPSC 2000 · Q35 · Environment & Ecology › Renewable Energy & Green Technologies · Save
Match List I (Power generation plant) with List II (Feed material) and select the correct answer using the codes given below the Lists:
List I I. M/s Gowthami Solvents Oil Limited, Andhra Pradesh II. M/s KM. Sugar Mills, Uttar Pradesh III. M/s Satia Paper Mills, Punjab IV. M/s Al Kabeer Exports Limited, Andhra Pradesh
List II A) Rice husk B) Slaughter-house waste C) Distillery spent wash D) Black liquor
Codes:
(a) I-C, II-A, III-B, IV-D
(b) I-C, II-A, III-D, IV-B
(c) I-A, II-C, III-D, IV-B
(d) I-A, II-C, III-B, IV-D
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Answer: (c) I-A, II-C, III-D, IV-B
UPSC 2000 · Q126 · Environment & Ecology › Ecosystems & Ecology Concepts · Save
Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(a) Keystone species
(b) Allopatric species
(c) Sympatric species
(d) Threatened species
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Answer: (a) Keystone species