Embibe Experts Solutions for Chapter: Environmental Issues, Exercise 1: Exercise 1

Green house effect is:

Which one of the following pairs is mismatched:

Which one of the following is the correct percentage of the two (out of the total of $4$) greenhouse gases that contribute to the total global warming?

The Montreal Protocol refers to:

Global warming can be controlled by 

Identify the correctly matched pair:

A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this?

(a) Lots of urea and phosphate fertilizer were used in the crops in the vicinity.
(b) The area was sprayed with $\mathrm{DDT}$ by aircraft.
(c) The lake water turned green and stinky.
(d) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis.

Which two of the above were the main cause of fish mortality in the lake?

Nuisance growth of aquatic plants and bloom forming algae in natural waters is generally due to high concentrations of