MCQ for environment-and-ecology-3

Consider the statements given below with reference to the E – waste management rules 2016:

1. Compact Fluorescent Lamp (CFL) and other mercury containing lamps brought under the purview of these rules.

2. These rules are released by Ministry of Electronics and Information Technology.

Which of the statements given above is/are correct?

With reference to radioactive pollution, consider the following statements:

1. Radioactive pollution is caused only due to anthropological activities and thus is observed only on Earth.

2. A radioactive pollutant with a longer half-life will have a greater impact on human health than the one with shorter half-life.

3. Cobalt, Calcium and Iodine have radioactive isotopes that cause radioactive pollution and environmental degradation.

Which of the statements given above is/are correct?

With reference to soil organic carbon (SOC), consider the following statements:

1. More carbon resides in soil than in the atmosphere and all plant life combined.

2. It is one of the three global indicators of Land Degradation Neutrality under UNCCD.

Which of the statements given above is/are correct?

Consider the following statements regarding Biochemical Oxygen Demand (BOD):

1. Water with high BOD are less fit to use.

2. It is a measure of chemical and organic pollutants.

Which of the statements given above is/are correct?

Which among the following is/are regarded as particulate pollutants?

1. Bacteria

2. Fungi

3. Algae

4. Dust

Select the correct answer using the codes given below.

Consider the following statements regarding the harmful effects of water pollutants:

1. Fluoride causes erosion of bones and teeth.

2. Lead is associated with liver and kidney damage.

3. Blue-baby syndrome is associated with potassium contamination.

Which of the statements given above are correct?

Which of the following statements regarding the effects of gaseous air pollutants is not correct?

The gas is a lung irritant that can lead to an acute respiratory disease in children, is toxic to living tissues, harmful to various textile fibers and metal. It produces an irritant red haze in the traffic and congested places. Which gas is being described in the above paragraph?

Permafrost, the perennially frozen soil in high latitude and altitude regions, has exhibited increased thawing due to global warming. Which of the following may be its consequences?

1. It may lead to positive feedback loop.

2. It may pose a threat to local ecosystems.

3. It may cause damage to local infrastructure.

Which of the statements given above is/are correct?

Consider the following techniques of bioremediation:

1. Bio venting

2. Bio sparging

3. Composting

4. Bio piles

5. Bio augmentation

Which of the bioremediation techniques given above are in-situ in nature?