Free Environmental Issues (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Biomagnification refers to increase in concentration of the toxicant at successive trophic levels. This happens because

(a) a toxic substance accumulated by an organism can not be excreted.

(b) a toxic substance accumulated by an organism can not be metabolized.

(c) a toxic substance is passed on to the next trophic level.

(d) All of the above

Question-2

Chipko movement was launched for the protection of

(a) livestock

(b) forests

(c) wetlands

(d) grasslands

Question-3

The green scum seen in the freshwater bodies is

(a) Red algae

(b) Blue green algae

(c) Green algae

(d) Both (b) and (c)

Question-4

Mark the statement that describes the eco-friendly disposal of municipal solid- waste.

(a) It should be dumped in open wasteland.

(b) It should be burnt to completion.

(c) It should be dumped in sanitary landfills.

(d) It should be sorted out into bio-degradable, non- bio-degradable and recyclable wastes and treated separately

Question-5

Prolonged liberal irrigation of agricultural fields is likely to create the problem of

(a) aridity

(b) acidity

(c) salinity

(d) metal toxicity.