Mumbai University Solved Question Papers
Environmental Laws
Previous Year Question Paper with Solution
BLS LLB 5 Years · Sem 6
Oct 2026 - ATKT 75/25 Examination
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BLS LLB 5 Years Sem 6 Environmental Laws Oct 2026 - ATKT 75/25 Question Paper with Solutions
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First published on munotes.in on 28 October 2026.
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Model answers written and edited by the munotes.in editorial desk.
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The question paper reproduced here is the paper as set by the University of Mumbai at the Oct 2026 - ATKT 75/25 examination.
Contents
The questions below are the paper as the University of Mumbai set it at the Oct 2026 - ATKT 75/25 examination, in the order it was set.
MarksPage
MarksPage
The Paper as Set
The questions in this volume are the questions asked at the Oct 2026 - ATKT 75/25 examination, reproduced as the University of Mumbai set them, in the order it set them. Nothing has been reworded, added or left out. Only the answers are ours. See the original question paper.
Duration 2½ hours · Total marks 75 · 21 questions answered
How to use this volume
Solve the paper first, under exam conditions and against the clock. Then read the answers here and mark your own. Reading a solution before attempting the question feels productive and teaches very little, because recognising an answer is not the same as being able to write one.
SECTION I
Answer in not more than two sentences
any 6 of 8 · 12 Marks
1.Define ozone and give examples of ozone-depleting substances.[2]
Answer
Ozone. Ozone is a gas made of three atoms of oxygen. Most of it lies in the ozone layer in the stratosphere, about 15 to 35 kilometres above the Earth. This layer absorbs most of the sun's harmful ultraviolet rays, which cause skin cancer, eye cataracts and harm to crops.
Ozone-depleting substances. These are man-made chemicals that release chlorine or bromine in the stratosphere and destroy ozone. Examples are:
- Chlorofluorocarbons (CFCs), such as CFC-11 and CFC-12, once used in refrigerators, air-conditioners and aerosol sprays.
- Halons, such as halon-1211 and halon-1301, used in fire extinguishers.
- Carbon tetrachloride and methyl chloroform, used as solvents.
- Hydrochlorofluorocarbons (HCFCs), used as substitutes for CFCs.
- Methyl bromide, used as a pesticide and fumigant.
The law. The Vienna Convention, 1985 and the Montreal Protocol, 1987 control these substances. Annex A of the Protocol lists the CFCs and halons, and later amendments added the others. India regulates them through the Ozone Depleting Substances (Regulation and Control) Rules, 2000, made under the Environment (Protection) Act, 1986.
Why it matters. The Montreal Protocol is often called the most successful environmental treaty, because the ozone layer has begun to recover. Many of these substances are also strong greenhouse gases.
In short. Ozone shields the Earth from ultraviolet rays; CFCs and halons destroy it.
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