D A V Class 6 Science – Copy

CHAPTER - 1

OUR ENVIRONMENT

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Write True or False.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

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

(1) non-biodegradable

(2) plastic, paper, or cloths

(3) ipomoea

(4) Polar bear, Penguins

(5) Respiration, photosynthesis

Write True or False for the following statements

( Exercise )

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

(1) False

(2) False

(3) True

(4) True

(5) False

Tick the correct option

( Exercise )

Ques:

Answer

1. producers, consumers as well as decomposers

2. autotrophs

3. bacteria as well as fungi

4. aluminium foil

5. worms

6. camel

Answer the following questions in brief

( Exercise )

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: Nose helps us to smell different-types of smells and fragrances.

3. What types of sounds are differentiated by our ears?

Answer: Ears help us to differentiate between loud sounds and gentle sounds.

4. Why should we meditate and exercise regularly?

Answer: We should meditate and exercise regularly to stay fit and healthy.

Answer the following questions

( Exercise )

1. Name the different types of tastes. Draw a diagram of a tongue showing all its taste related parts.

Answer: Different types of tastes are: Sweet, Sour, Salty and Bitter.

2. How are eyes useful to us?

Answer: Eyes help us to see various objects around us.

3. List some pleasant and unpleasant sounds around us.

Answer: some pleasant and unpleasant sounds around us are:

Pleasant sounds- sounds of musical instruments, Birds, water fall etc.

Unpleasant sounds- sounds of horns of vehicles, Crackers, Rock music, construction sites.

4. Write the role of skin in our body.

Answer: Roles of skin are:

It helps to feel hot and cold things.
Skin helps us to feel Smooth and rough surfaces.
It also helps to protect the parts of our body present below it.

5. Write any two activities where we use more than one sense organ.

Answer: Two activities where we use more than one sense organ are:

Watching T.V.
Playing video games

CHAPTER - 1

OUR ENVIRONMENT

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Write True or False.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

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

Write True or False for the following statements

( Exercise )

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

Tick the correct option

( Exercise )

Ques:

Ques:

Ques:

Ques:

Ques:

Ques:

Answer

Answer the following questions in brief

( Exercise )

1. Why should we segregate different types of wastes?

2. Write the meaning of the term ‘vermicomposting

3. What types of sounds are differentiated by our ears?

4. Why should we meditate and exercise regularly?

Answer the following questions

( Exercise )

1. Name the different types of tastes. Draw a diagram of a tongue showing all its taste related parts.

2. How are eyes useful to us?

3. List some pleasant and unpleasant sounds around us.

4. Write the role of skin in our body.

5. Write any two activities where we use more than one sense organ.

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2. We must say ‘No’ to _____ and use _ or _______.

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.