DAV Class 5 Science Chapter 1 Question Answer My Body

If you are looking for DAV Class 5 Science Chapter 1 Question Answer My Body of my living world book, then you are at right place. Here at SOLUTIONGYAN.Com, DAV Class 5 Science of chapter 1 exercises provided at the end of the chapter will be a useful resource for DAV Class 5 Science exams.

Here, we provide complete solutions of DAV Class 5 Science Chapter 1 My Body of My Living World science book. These exercise of Science chapter 1 contains 5 questions and the answers to them are provided in the DAV Class 5 Science Chapter 1 Question Answer My Body.

Solutions of DAV Class 5 Science chapter 1 My Body is help to boost the writing skills of the students, along with their logical reasoning. Students of class 5 can go through Science chapter 1 question answers to learn an effective way of expressing their answer in the DAV school science exam.

DAV Class 5 Science Chapter 1 My Body Solutions

DAV Class 5 Science Chapter 1 My Body Solutions is given below. Here DAV Class 5 Science chapter 1 question answer is provided with great explanation.

Highlights

• Fill in the blanks
• Match the following
• Tick the correct option
• Answer the following questions in brief
• Answers the following questions

DAV question answer of Class 5 of My Living World Science Textbook is the best source for the students to self-analyse their performance. DAV Class 5 students are more likely to score good marks in Science exam if they practise DAV Class 5 Science Chapter 1 Question Answer My Body regularly.

DAV Class 5 Science Chapter 1 Question Answer

A. Fill in the blanks.

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.

B. Match the following:

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

C. Tick the correct option.

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

Answer: ball and socket joint

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

Answer: rib cage

3. Light enters the eyes through the-

Answer: pupil

4. The part of the ear which helps in maintaining balance of our body is-

Answer: inner ear

D. Answer the following questions in brief.

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.

E. Answers the following questions.

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.