UPSC 1998 › Environment & Ecology › Water & Wetland Conservation

3 questions · 1998 · answers as per the UPSC key

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UPSC 1998 · Q54 · Environment & Ecology › Water & Wetland Conservation · Save

Estuaries possess distinct blooms of excessive growth of a pigmented dinoflagellate. These blooms are called

(a) red tides
(b) sea tides
(c) black tides
(d) sea flowers
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Answer: (a) red tides
UPSC 1998 · Q65 · Environment & Ecology › Water & Wetland Conservation · Save

Some people in Manipur live in houses built on floating islands of weeds and decaying vegetation held together by suspended silt. These islands are called

(a) Tipis
(b) Barkhans
(c) Phumdis
(d) Izba
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Answer: (c) Phumdis
UPSC 1998 · Q102 · Environment & Ecology › Water & Wetland Conservation · Save

The water pollution in river is measured by the dissolved amount of

(a) Chlorine
(b) Ozone
(c) Nitrogen
(d) Oxygen
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Answer: (d) Oxygen