Free Environmental Issues (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of :

(a) essential minerals

(b) light

(c) oxygen

(d) food

Question-2

American water plant that has become a troublesome water weed in India is

(a) Eichhornia crassipes

(b) Cyperus rotundus

(c) Typha latifolia

(d) Trapa bispinosa.

Question-3

The zone of atmosphere in which the ozone layer is present is called

(a) Mesosphere

(b) Ionosphere

(c) Stratosphere

(d) Troposphere

Question-4

DDT causes egg shell thinning in birds because it inhibits

(a) calcium ATPase

(b) calmodulin

(c) magnesium ATPase

(d) carbonic anhydrase

Question-5

The UN Conference of Parties on climate change in the year2011 was held in :

(a) Peru

(b) South Africa

(c) Qatar

(d) Poland