NEET BIOLOGY

ECOLOGY

ENVIRONMENTAL ISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is one of the major problems facing those who depend on the Nile River for their water?
A
The Nile River no longer has any fish
B
The Nile is too shallow to be used for transportation
C
The river always dries up during the summer months
D
The water is contaminated with human and industrial waste
Explanation: 

Detailed explanation-1: -Climate change, pollution and exploitation are putting existential pressure on the world’s second longest river, on which half a billion people depend for survival. All along its 6, 500-kilometer length, alarm bells are ringing.

Detailed explanation-2: -The river is used for water and transportation. In recent years, however, overpopulation and poor sanitation regulations have made life along the Nile River more difficult. People are concerned about the water’s contamination with human and industrial wastes.

Detailed explanation-3: -The systematic discharge of these contaminants have also impacted the Nile’s health, slowly diminishing its self-purification capability. Fish living in polluted waters tend to accumulate heavy metals in their tissues. Most of these metals accumulate mainly in the liver, kidney and gills.

Detailed explanation-4: -The Nile, Egypt The river is noted for its fast moving crocodiles that kill some 200 people every year. There are hippopotamuses, venomous snakes and deadly mosquitos. So, step in at your own risk!

There is 1 question to complete.