Effects of Water Pollution

Q.

How do algal blooms impact aquatic ecosystems?

Q. How does eutrophication affect clean water bodies?

1. Reduces algae growth
2. Causes Algal bloom
3. Produces excess oxygen
4. Deficiency of oxygen

Q. Domestic sewage is a primary source of _________.

1. oil
2. toxic chemicals
3. disease-causing microorganisms
4. decaying organic wastes

Q.

What are the symptoms of heavy metals in the body?

Q. When did Deepwater Horizon oil spill occur?

1. 1996
2. 2002
3. 2007
4. 2010

Q. The excess presence of _______ contributes to algal bloom.

1. Oxides
2. Phosphates
3. Nitrates
4. Carbides

Q.

Explain the cause of algal bloom in a water body.

Q. What are the dangers of groundwater contamination?

1. Degrades the quality of soil
2. Increases crop yield
3. Endangers the health of livestock
4. Causes food shortage

Q. Toxic chemicals affect the uppermost level of the.

1. water table
2. atmosphere
3. food chain
4. lithosphere

Q. A study estimate suggests that around 4.8 million to __________ tonnes of plastic is dumped into the oceans annually.

1. 11.7 million
2. 12.7 million
3. 13.7 million
4. 14.7 million

Q. Fluorosis, hump back, and bone stiffening are some of the possible consequences of:

1. Heavy metal poisoning
2. Radioactive poisoning
3. Food poisoning
4. Toxic air

Q. Which of the following types of pollution also causes groundwater pollution?

1. Air Pollution
2. Noise pollution
3. Water pollution
4. Radioactive pollution