DAV Class 6 Science Section 1 Arrangement: Assuming you are searching for the Arrangement of DAV class 6 Science the Residing Scene book Part 1 Our Current circumstance, then you are at ideal spot. Here we give total arrangement of DAV class six The Living Scene science book.
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DAV Class 6 Science Chapter 1 Solution
A. Fill in the blanks.
1. Plastic is ___________ as it cannot be broken down into simpler substances in nature.
2. We must say ‘No’ to ___________ and use ___________ or ___________.
3. The flowers of the ___________ bloom with sunrise and close after sunset.
4. ___________ and ___________ are among the animals found only in cold regions.
5. ___________ and ___________ processes help in balancing of carbon dioxide and oxygen in the atmosphere.
ANSWER:- non-biodegradable
- plastic, paper, or cloths
- ipomoea
- Polar bear, Penguins
- Respiration, photosynthesis
B. True or False.
1. Herbivores can prepare their own food.
2. Fungi and bacteria are organisms that can be easily seen by the human eye, by itself.
3. The sunflower faces the east in the morning.
4. Camels do not have sweat glands.
5. Soil is an important biotic component of our environment.
ANSWER:
- False
- False
- True
- True
- False
C. Tick the correct option.
Answer:
Answer:
- producers, consumers as well as decomposers
- autotrophs
- bacteria as well as fungi
- aluminium foil
- worms
- camel
D. Answer the following questions in brief.
1. Why should we segregate different types of wastes?
Answer: We segregate different types of wastes because of their disposal in eco-friendly way in our environment.
2. Write the meaning of the term ‘vermicomposting
Answer: process of composting with the help of various suitable worms, like the redworms and other earthworms.
3. Which component of air gets ‘used-up’ during the process of photosynthesis?
Answer: Carbon dioxide is used up during the process of photosynthesis.
4. Suggest any five activities that can help to save the environment.
Answer: Five activities that can help to save the environment are:-
- Do not use plastic
- Use kitchen wastes to make compost
- Use cleaner fuel
- Segregate wastes for disposal in Eco-friendly ways
- Afforestation
5. How does nature maintain a balance, between the amounts of oxygen and carbon dioxide, in the atmosphere?
Answer: Nature maintains a balance, between the amounts of oxygen and carbon dioxide, in the atmosphere by the two processes i.e., breathing and photosynthesis.
E. Answer the following questions.
1. Distinguish between
(a) autotrophs and heterotrophs
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