Exercise Question Answers for Chapter 2 Reshaping India’s Political Map for Class VIII in subject social Science ********************************* Questions and activities: 1. Compare the political strategies of the Delhi Sultanate and the Mughals. What similarities and differences existed between them? Answer: Similarities: Both aimed to control a large part of India. Both used strong armies and weapons to conquer. Taxes from people and trade were their main income. Built forts, palaces, and mosques/temples. Faced resistance from local rulers. Differences: Delhi Sultans mostly ruled through force and raids. Mughal rulers, especially Akbar, used alliances, marriages, and tolerance. Mughals built a better administration (mansabdari system). Delhi Sultans shifted capitals and had frequent violent successions. Mughals stayed in power longer because of better planning. 2. Why did kingdoms like the Vijayanagara Empire and the Ahom Kin...
Multiple Choice Questions-Chapter 11 (Nature’s Treasures)-Class 6-Subject Science
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Multiple Choice Questions (MCQs):
-
Which gas is most abundant in the air?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Helium
Answer: b) Nitrogen -
What percentage of air is oxygen?
a) 10%
b) 21%
c) 50%
d) 78%
Answer: b) 21% -
Moving air is called:
a) Rain
b) Wind
c) Snow
d) Cloud
Answer: b) Wind -
Which of these is an example of a renewable resource?
a) Coal
b) Petroleum
c) Sunlight
d) Natural gas
Answer: c) Sunlight -
Which of the following is NOT a fossil fuel?
a) Coal
b) Petrol
c) Wood
d) Natural gas
Answer: c) Wood -
Which of these activities can reduce water wastage?
a) Leaving taps open
b) Watering plants in the evening
c) Washing cars with running water
d) Using excessive water while bathing
Answer: b) Watering plants in the evening -
Rainwater harvesting is used for:
a) Polluting rivers
b) Collecting and storing rainwater
c) Increasing pollution
d) Wasting water
Answer: b) Collecting and storing rainwater -
What is the process of removing trees on a large scale called?
a) Afforestation
b) Deforestation
c) Reforestation
d) Plantation
Answer: b) Deforestation -
Which of these is a major cause of air pollution?
a) Planting trees
b) Using bicycles
c) Burning fossil fuels
d) Recycling waste
Answer: c) Burning fossil fuels -
Which part of the air is essential for breathing?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Helium
Answer: b) Oxygen -
Which method is used to conserve soil?
a) Cutting trees
b) Planting more trees
c) Wasting water
d) Using plastic
Answer: b) Planting more trees -
Which of these is NOT a natural resource?
a) Water
b) Sunlight
c) Plastic
d) Air
Answer: c) Plastic -
Which layer of the atmosphere protects us from the Sun’s harmful rays?
a) Troposphere
b) Ozone layer
c) Stratosphere
d) Mesosphere
Answer: b) Ozone layer -
Which of the following helps in preventing floods?
a) Cutting trees
b) Planting trees
c) Burning waste
d) Using plastic
Answer: b) Planting trees -
Why is water called a natural treasure?
a) It is found underground
b) It is needed for life
c) It has no use
d) It is unlimited
Answer: b) It is needed for life -
What type of energy is harnessed by windmills?
a) Solar energy
b) Wind energy
c) Chemical energy
d) Thermal energy
Answer: b) Wind energy -
Which is a non-renewable resource?
a) Water
b) Coal
c) Wind energy
d) Sunlight
Answer: b) Coal -
Which of these is a use of forests?
a) Reducing air pollution
b) Preventing soil erosion
c) Providing shelter to animals
d) All of the above
Answer: d) All of the above -
What is the main source of energy on Earth?
a) Moon
b) Sun
c) Stars
d) Wind
Answer: b) Sun -
Which of the following causes water pollution?
a) Planting trees
b) Throwing garbage in rivers
c) Using less water
d) Rainwater harvesting
Answer: b) Throwing garbage in rivers
Additional MCQs:
-
Which of the following natural resources is found underground?
a) Air
b) Water
c) Sunlight
d) Wind
Answer: b) Water -
What is the process by which plants release oxygen into the air?
a) Respiration
b) Photosynthesis
c) Evaporation
d) Condensation
Answer: b) Photosynthesis -
Which of these activities helps conserve forests?
a) Cutting trees for paper
b) Planting more trees
c) Burning trees for fuel
d) Clearing forests for farming
Answer: b) Planting more trees -
Which is the best way to reduce waste?
a) Throwing garbage in rivers
b) Using plastic bags
c) Practicing the 3Rs: Reduce, Reuse, Recycle
d) Burning waste materials
Answer: c) Practicing the 3Rs: Reduce, Reuse, Recycle -
What is the main cause of global warming?
a) Too much rainfall
b) Increased carbon dioxide in the atmosphere
c) Planting trees
d) Wind energy
Answer: b) Increased carbon dioxide in the atmosphere -
Which natural resource is mainly responsible for the formation of clouds?
a) Sunlight
b) Water
c) Soil
d) Wind
Answer: b) Water -
Which action helps prevent soil pollution?
a) Using excessive fertilizers
b) Dumping plastic waste
c) Composting organic waste
d) Burning fossil fuels
Answer: c) Composting organic waste -
Which of the following gases do humans exhale?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: c) Carbon dioxide -
Which type of energy is obtained from flowing water?
a) Solar energy
b) Wind energy
c) Hydroelectric energy
d) Geothermal energy
Answer: c) Hydroelectric energy -
Which of the following human activities causes land degradation?
a) Rainwater harvesting
b) Excessive mining
c) Using solar panels
d) Planting more trees
Answer: b) Excessive mining
True or False:
- Oxygen is the most abundant gas in the air. (False)
- Water is a renewable resource. (True)
- Deforestation helps conserve soil. (False)
- Rainwater harvesting is a method of water conservation. (True)
- Solar energy is a non-renewable resource. (False)
- Burning fossil fuels causes air pollution. (True)
- Wind energy is a clean source of energy. (True)
- Plastic is biodegradable. (False)
- Freshwater is easily available for use. (False)
- Using bicycles can help reduce air pollution. (True)
Match the Following:
| Column A | Column B |
|---|---|
| Solar energy | Renewable resource |
| Air pollution | Caused by burning fossil fuels |
| Forests | Prevent soil erosion |
| Rainwater harvesting | Collecting rainwater |
| Wind energy | Generated by windmills |
| Ozone layer | Protects Earth from UV rays |
| Water pollution | Caused by dumping waste in rivers |
| Deforestation | Leads to soil erosion |
| Carbon dioxide | Released by burning fossil fuels |
| Noise pollution | Caused by loud sounds |
Assertion and Reasoning Questions:
-
Assertion (A): Trees help in reducing air pollution.
Reason (R): Trees absorb carbon dioxide and release oxygen.
Answer: (Both A and R are true, and R explains A.) -
Assertion (A): Fossil fuels are unlimited in nature.
Reason (R): Fossil fuels take millions of years to form and cannot be replaced quickly.
Answer: (A is false, but R is true.) -
Assertion (A): Water pollution harms aquatic life.
Reason (R): Pollutants reduce oxygen levels in water, making it difficult for aquatic organisms to survive.
Answer: (Both A and R are true, and R explains A.) -
Assertion (A): Solar energy is a better alternative to fossil fuels.
Reason (R): Solar energy is renewable and does not cause pollution.
Answer: (Both A and R are true, and R explains A.) -
Assertion (A): Cutting down forests leads to soil erosion.
Reason (R): Tree roots hold the soil together and prevent erosion.
Answer: (Both A and R are true, and R explains A.)
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To Learn More MCQs Click below:
Chapter 1- The Wonderful World of Science
Chapter 2- Diversity in the Living World
Chapter 3- Mindful Eating: A Path to a Healthy Body
Chapter 4- Exploring Magnets
Chapter 5- Measurement of Length and Motion
Chapter 6- Materials Around Us
Chapter 7- Temperature and its Measurement
Chapter 8- A Journey through States of Water
Chapter 9- Methods of Separation in Everyday Life
Chapter 10- Living Creatures: Exploring their Characteristics
Chapter 11- Nature’s Treasures
Chapter 12- Beyond Earth
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