Light Pollution UPSC. We covered all the Light Pollution UPSC in this post for free so that you can practice well for the exam.
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MCQ on Light Pollution for UPSC Students
Bioremediation means
(a) the elimination of toxic pollutants from the environment by organisms.
(b) biocontrol of pathogens and pests.
(c) transplantation of organs in the body.
(d) diagnosis of disease with the help of microorganisms.
Option a – the elimination of toxic pollutants from the environment by organisms
Consider the following statements. The Environment Protection Act, of 1986 empowers the Government of India to I. state the requirement of public participation in the process of environmental protection and the procedure and the manner in which it is sought. II. Lay down the standards for the emission or discharge of environmental pollutants from various sources. Which of the following statements is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option b – Only II
In India, ‘Extended Producer Responsibility’ was introduced as an important feature in which of the following?
(a) The Bio-medical waste (Management and Handling) Rules, 1998.
(b) The recycled plastic (Manufacturing and usage) Rules, 1999.
(c) The e-waste (Management and Handling) Rules, 2011.
(d) The food safety and standard Regulations, 2011.
Option c – The e-waste (Management and Handling) Rules, 2011
Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste? I. Beryllium II. Cadmium III. Chromium IV. Heptachlor V. Mercury VI. Lead VII. Plutonium Select the correct answer using the codes given below.
(a) I, III, IV, VI and VII
(b) I, II, III, V, and VI
(c) II, IV, V and VII
(d) All of the above
Option b – I, II, III, V, and VI
Indiscriminate use of fertilizers has led to
(a) soil pollution
(b) water pollution
(c) air pollution
(d) All of these
Option d – All of these
Biomagnification refers to an increase in the number/content/quantity of
(a) blue-green algae
(b) insects
(c) weeds
(d) toxicants
Option d – toxicants
Which one of the following is not biodegradable?
(a) Woollen mat
(b) Silver foil
(c) Leather bag
(d) Jute basket
Option b – Silver foil
Which one among the following groups of items contains only biodegradable items?
(a) Wood, grass, plastic
(b) Wood, grass, leather
(c) Fruit peels, lime juice, China clay cup
(d) Lime juice, grass, polystyrene cup
Option b – Wood, grass, leather
‘Rally for Valley’ program in India was organized to highlight the problem of
(a) environmental degradation
(b) biodiversity
(c) resettlement of displaced people
(d) loss of agricultural land
Option a – environmental degradation
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? I. They can accumulate in the environment, and contaminate water and soil. II. They can enter the food chains. III. They can trigger the production of free radicals. Select the correct answer using the code given below.
(a) I and II only
(b) Only Ill
(c) I and III only
(d) I, II, and III
Option d – I, II, and III
In the context of solving pollution problems, what is/are the advantage/ advantages of bioremediation techniques? I. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature. II. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms. III. Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below.
(a) Only I
(b) II and III only
(c) I and III only
(d) I, II, and III
Option c – I and III only
Which of the following elements is/are the cause of e-waste?
(a) Lead
(b) Cadmium
(c) Beryllium
(d) All of these
Option d – All of these
What does e-waste stand for?
(a) Environment waste
(b) Electronic waste
(c) Equipment waste
(d) None of the above
Option b – Electronic waste
Which toxic compound is not found in e-waste?
(a) Mercury
(b) Cadmium
(c) Neon
(d) Lead
Option c – Neon
E-waste contains hazardous substances that are harmful to the environment and human health if not properly treated or disposed of, therefore they must be handled with care. What are the health hazards which can be caused by e-waste?
(a) Lung cancer
(b) DNA damage
(c) Brain
(d) All of the above
Option d – All of the above
The problem of space pollution is associated with
(a) radiation
(b) debris
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Kessler syndrome is associated with
(a) soil pollution
(b) space debris
(c) air pollution
(d) None of the above
Option b – space debris
Consider the following statements. I. Space debris is the artificial material that is orbiting Earth but is no longer functional. II. Space Debris is also called space junk. III. There is a binding International Legal Rule, which prohibits the wanton creation of space debris. IV. In 1967, the Outer Space Treaty bars states party to the treaty from placing weapons of mass destruction in Earth orbit. Select the correct answer using the code below.
(a) I, II, and III
(b) II, III, and IV
(c) I, II, and IV
(d) All of these
Option c – I, II, and IV
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