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Chapters
1: Cell Division
2: Structure of Chromosomes
3: Principles of Genetics
Unit-2 Plant Physiology
4: Absorption by Roots
5: Transpiration
6: Photosynthesis
7: Chemical Coordination in Plants
8: Circulatory System
Unit-3 Human Anatomy and Physiology
9: Excretory System
10: Nervous System
11: Endocrine System
12: Reproductive System
13: Human Population
14: The Evolution of Man
15: Theories of Evolution
16: Types of Pollution
17: Sources of Pollution and Major Pollutants
18: Effects of Pollution
19: Abatement of Pollution
▶ 20: Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain
![Frank solutions for बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी chapter 20 - Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain - Shaalaa.com](/images/biology-part-2-english-class-10-icse_6:4cd9978ddb1c4f42b0b0e9ec6f09c057.jpg "Frank solutions for बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी chapter 20 - Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain")
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Solutions for Chapter 20: Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain
Below listed, you can find solutions for Chapter 20 of CISCE Frank for बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी.
Frank solutions for बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी 20 Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain Exercises [Pages 242 - 243]
Choose the correct alternative from the choices given below each statement.
Which of the following is not a ‘greenhouse gas’?
Oxygen
Carbon dioxide
Chlorofluorocarbon
Methane
Greenhouse effect is related to ______.
green trees around
global warming
grasslands
greenery in country
Which of the following gases contributes maximum to the ‘greenhouse effect’?
Carbon dioxide
Methane
Chlorofluorocarbon
Freon
Ozone day is observed on ______.
January 30
April 21
September 16
December 25
Ozone layer depletion is mainly caused by ______.
PAN
CO2
CFCs
Coal burning
The prime main source of chlorofluorocarbons is ______.
vehicular emission
Industrial effluents
domestic sewage
refrigeration equipment
Which one of the following is a Greenhouse gas?
Oxygen
Methane
Sulphur dioxide
Nitrogen
Which of these is a greenhouse gas?
Hydrogen Sulphide
Methane
Ozone
Carbon monoxide
Assertion-Reason Type Questions Following questions consist of two statements - Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below:
Assertion (A): Wastes such as plastics, paper, vegetable or fruit peels, which are generated in our house daily are biodegradable.
Reason (R): Biodegradable wastes can be broken down into simpler, harmless substance in nature in due course of time by the biological processes such as action of microorganisms.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Assertion (A): Polythene bags and plastic containers are non-biodegradable substances.
Reason (R): They can be broken down by microorganisms in natural simple harmless substances.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Assertion (A): Plastic substances and mineral wastes are non-biodegradable.
Reason (R): As these substances cannot be broken down by biological or microbial action, they are called non-biodegradable.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Assertion (A): Ozone is both beneficial and damaging.
Reason (R): We must stop the release of chlorofluorocarbons to protect the ozone.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Assertion (A): Polythene bags and plastic containers are non-biodegradable substances.
Reason (R): They can be broken down by microorganisms in natural simple harmless substances.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Name the following.
Warming up of earth’s surface.
Name the following.
Pollutants are mainly responsible for acid rain.
Name the following.
Two chemicals responsible for the depletion of ozone layer.
Name the following.
The day on which International Ozone Day is observed.
Name the following :
One gaseous compound which depletes the ozone layer.
Fill in the blanks.
Global warming is caused due to increases of ______ gases in the atmosphere.
______ causes corrosion of the marble or brick surface.
______ is the main cause of ozone layer depletion.
The presence of acid in rainwater was first detected by ______.
Formation of ozone hole is maximum over ______.
Match the items in column I with those in column II.
| Column I | Column II | ||
| (a) | CFCs | (i) | Global warming |
| (b) | Sulphur dioxide | (ii) | Acid rain |
| (c) | CO2 and methane | (iii) | Ozone depletion |
| (d) | Aerosol | (iv) | Biodegradable |
Name the greenhouse gases present in the atmosphere.
Explain the term ‘greenhouse effect’.
How does ozone layer protect us?
State the consequences of stratospheric ozone depletion.
Solutions for 20: Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain
Frank solutions for बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी chapter 20 - Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain
Shaalaa.com has the CISCE Mathematics बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Frank solutions for Mathematics बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी CISCE 20 (Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Frank textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in बायोलॉजी पार्ट २ [अंग्रेजी] कक्षा १० आईएससी chapter 20 Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain are Waste, Pollution, Soil Pollution, Sources of Soil Pollution, Radiation, Noise Pollution, Sources of Noise Pollution, Acid Rain, Greenhouse Effect and Global Warming, Ozone Layer Depletion, Effects on Human Health, Control of Pollution, Swachh Bharat Abhiyan (Clean India Movement), Plastic Pollution.
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