Tag: sources of pollution

Quizzes (0) Questions (53)

Questions Related to sources of pollution

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Effect of pollution is first marked on

  1. Micro-organisms

  2. Green vegetation of an area

  3. Food crop

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Pollution is the addition of contaminants in the natural environment. The effect of pollution is first marked on the green vegetation of an area. Being the producers of energy, green vegetation absorbs air and water; also has direct contact with the soil. Thus, if any of these gets polluted, the green vegetation is first affected which is further passed through the food chain to next trophic level.
So the correct answer is option B.
Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which of following is not a cause of natural pollution ?

  1. Volcanic eryption

  2. UV radiation

  3. Forest fire

  4. Mercury
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Natural pollution comes from natural sources like release of methane by cattle and paddy fields, carbon dioxide from plants and animals, dust storms, nitrogen oxides, ozone, volcanic eruptions, emission of natural gas, sol erosion, ultraviolet rays,etc. Mercury is not a cause of natural pollution.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which of the following statements is correct ?

  1. Primary pollutants are more harmful than secondary pollutants.

  2. Primary pollutants and secondary pollutants are equally harmful.

  3. Secondary pollutants are more harmful than primary pollutants.

  4. DDT is a secondary pollutant.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Primary pollutants persist in the form they are released in the environment. Secondary pollutants are formed by reaction amongst the primary pollutants. Secondary pollutant are more toxic than primary pollutants. DDT is a primary pollutant.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Fill in the blanks:
Benzopyrene is a/an

  1. Effluent

  2. Carcinogen

  3. Both (A) and (B)

  4. None of them
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Benzopyrene is a polycyclic aromatic hydrocarbon found in smoke and soot; it is a well-documented carcinogen and is considered an environmental effluent.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which one of the following environmental pollutants has the problem of biomagnifications?

  1. $SO _{2}$
  2. $NO _{3}$

  3. Hg fungicides
  4. $O _{3}$ and $CO _{2}$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biomagnification refers to the increasing concentration of a substance in the tissues of organisms at successively higher levels in a food chain. Mercury (Hg) compounds are classic examples of persistent pollutants that biomagnify.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

A pollutant is any substance, chemical or other factor that changes 

  1. Natural geochemical cycles

  2. The natural balance of our environment

  3. The natural flora of our environment

  4. The natural wild life of our region
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The environment is our surrounding. This includes living and non-living things around us. The non-living components of the environment are land, water and air. The living components are plants and animals. All plants and animals adjust to the environment in which they are born and live. A change in any component of the environment may cause discomfort and affect normal life. Any unfavourable change or degradation in the environment is known as environmental pollution. Thus, the correct answer is option B.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Find the odd one out:

  1. Plastic

  2. Paper

  3. Charcoal

  4. Water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the modern world, to save resources for the next generation it is very important to reuse the goods available. Plastic, paper and water are the easiest substances that could be reused rather than dumping them out.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Carbon mono oxide is a pollutant because

  1. it reacts with $O _{2}$

  2. it inhibits glycolysis

  3. makes nervous system inactive

  4. reacts with haemoglobin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon monoxide binds to hemoglobin with a much higher affinity than oxygen, forming carboxyhemoglobin, which prevents the blood from transporting oxygen to tissues.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Contamination of water with mercury causes which disease ?

  1. Typhoid

  2. Minamata disease

  3. Syphilis

  4. Goiter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The best known example of heavy metal pollution in the oceans took place when Japanese factory discharged a significant amount of mercury metal into Minamata Bay, contaminating the fish stocks there. By that time, many local people had eaten the fish and around 2000 were poisoned. Hundreds of people were left dead or disabled.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

The toxic substance in ecosystem is called as ________.

  1. Pollution

  2. Pollutant

  3. Imbalance

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Introduction of an undesired component in the natural ecosystem is called as pollution. The undesired component is called as pollutant.