Class 5 Science Chapter 1 My Body Solutions

CHAPTER - 1

MY BODY

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

1. Wind pipe connects nose to the ___________ in mammals.

2. Of the two jaws, only the ___________ jaw moves.

3. The backbone protects the ___________.

4. Fish can feel waves with the help of their ___________.

5. A snake uses its _ to touch and smell objects....................... 6. Eye is connected to the brain by the _ nerve.

Answer

(1) lungs

(2) lower

(3) spinal cord

(4) lateral line

(5) tongue

(6) optic.

Match the following.

( Exercise )

DAV Class 5 Science Chapter 1 Question Answer My Body

Answer: 1. c 2. e 3. d 4. a 5. b

Tick the correct option.

( Exercise )

1. The joint in the shoulder is an example of a-

2. The framework of bones, that protects our heart and lungs, is known as the-

3. Light enters the eyes through the........................................................ 4. The part of the ear which helps in maintaining balance of our body is-

Answer

(i) ball and socket joint

(ii) rib cage

(iii) pupil

(iv) inner ear

Answer the following questions in brief.

( Exercise )

1. What is breathing?

Answer: All living things take in oxygen and give out carbon dioxide. This process is called breathing.

2. How are fore limbs connected to the spine?

Answer: The fore limbs, or the arms, are joined to the spine by the shoulder girdle and collar bone.

3. State the importance of the rib-cage in our body.

Answer: Rib cage protects our delicate organs like heart and the lungs.

4. Name the main parts of the skeletal system.

Answer: The main parts of the skeletal system are:

The skull
The backbone
The rib cages
The limbs

…………………………………………………….

5. State the role of inner ear in the process of hearing.

Answer: The inner ear plays an important role in the process of hearing; it receives the sound (waves) from middle ear and send it to the brain and also maintain the balance of our body.

…………………………………………………….

6. How does a snake detect the presence of an enemy or a prey?

Answer: A snake feels different kinds of vibration on the earth through its skin. This helps it to detect the presence of an enemy or a prey.

Answer the following questions.

( Exercise )

1. Why do bones have joints?

Answer: Joint is a place where two bones meet. They make the skeleton flexible; without them movement would be impossible. Joints allow our body to move in many ways.

2. Why is our backbone made up of many small vertebrae instead of having one straight long bone?

Answer: Our backbone made up of many small vertebrae instead of having one straight long bone because these are small bones who give flexibility to our back.

3. Why is bone marrow known as the factory for making blood cells?

Answer: Blood cells are manufactured inside the bone marrow. Therefore, bone marrow is known as the factory for making blood cells.

4. How does a ball and socket joint work?

Answer: In this joint, one bone which has a ball like end, fits into the hollow socket of another bone which provides round movement of bone.

5. Dogs and bats are also mammals like us. How does our sense of smell compare with that of a dog and our sense of hearing with that of a bat?

Answer: Dogs and bats are also mammals like us. But dogs have a highly developed sense of smell with compared to us also, bats have a special power to hear high pitched sounds but we can’t.

…………………………………………………….

6. Do you breathe even when you are sleeping? Give reason for your answer.

Answer: Yes, we breathe even when we are sleeping because, the process of breathing takes place continuously, without any rest in all living beings. If this process stops for more than two minutes, the living being can die.

CHAPTER - 1

MY BODY

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

1. Wind pipe connects nose to the ___________ in mammals.

2. Of the two jaws, only the ___________ jaw moves.

3. The backbone protects the ___________.

4. Fish can feel waves with the help of their ___________.

5. A snake uses its ___________ to touch and smell objects....................... 6. Eye is connected to the brain by the ___________ nerve.

Answer

Match the following.

( Exercise )

Tick the correct option.

( Exercise )

1. The joint in the shoulder is an example of a-

2. The framework of bones, that protects our heart and lungs, is known as the-

3. Light enters the eyes through the........................................................ 4. The part of the ear which helps in maintaining balance of our body is-

Answer

Answer the following questions in brief.

( Exercise )

1. What is breathing?

2. How are fore limbs connected to the spine?

3. State the importance of the rib-cage in our body.

4. Name the main parts of the skeletal system.

Answer the following questions.

( Exercise )

1. Why do bones have joints?

2. Why is our backbone made up of many small vertebrae instead of having one straight long bone?

3. Why is bone marrow known as the factory for making blood cells?

4. How does a ball and socket joint work?

5. Dogs and bats are also mammals like us. How does our sense of smell compare with that of a dog and our sense of hearing with that of a bat?

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5. A snake uses its _ to touch and smell objects....................... 6. Eye is connected to the brain by the _ nerve.