Body Movements

Q.

Question 1

Which of the following parts of our body help us in movement?
(i) Bones
(ii) Skin
(iii) Muscles
(iv) Organs

Choose the correct answer from the options below.
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (iii) and (ii)

Q. Muscles work in pairs.

1. True
2. False

Q.

Differentiate between sensory nerve and motor nerve.

Q.

At what speed do nerve impulses travel in mammals?

Q.

Which is the largest living bird?

1. Ostrich

2. Brown kiwi

3. Emperor Penguin

4. Greater Rhea

Q.

Name the basic unit of the brain.

Q.

The kind of nerve that carries both sensory and motor neurons are -----

Q.

Write any two function of hindbrain.

Q.

The cells that make up the nervous system are called ——

Q.

Nervous system in humans consists of

1. Brain and nerves

2. Brain and spinal cord

3. Brain, spinal cord and nerves

4. None of the above.

Q. To move ‘the lower arm up and down two type of muscles are required. They are

1. Triceps and Smooth muscles
2. Biceps and Cardiac muscles
3. Biceps and Triceps
4. Smooth muscles and Cardiac muscles

Q.

State the function of sensory neurons and motor neurons.

Q.

The movement and locomotion of all animals is exactly the same.

1. True
2. False

Q.

The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions.

1. Name the phenomenon being depicted.
2. Give the technical term for the point of contact between the two nerve cells.
3. Name parts 1, 2, 3 and 4.
4. Write the functions of parts 5 and 6.

Q.

Junction between two neurons is called

1. Cell junction

2. Neuromuscular junction

3. Neural joints

4. Synapse

Q.

Which is the correct sequence of the components of a reflex arc?

1. Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord

2. Receptors → Motor neuron → Spinal cord→ Sensory neuron→ Muscle

3. Receptors → Spinal cord → Sensory neuron → Motor neuron→ Muscle

4. Receptors → Sensory neuron → Spinal cord→ Motor neuron→ Muscle

Q. Which statement means 'gait'?

1. Manner of nutrition in animals
2. Manner of reproduction
3. Manner of habitat of animals
4. Manner of movement

Q. Which of the following represents X and Y in the figure given below?

1. X- organ, Y - muscle
2. X - bone, Y - organ
3. X - joint, Y - bone
4. X - muscle, Y - joint

Q. Locomotion and movement are synonymous.

1. False
2. True

Q. _____ is the world's largest living bird, weighing upto 345 kgs.

1. Swan
2. Penguin
3. Ostrich
4. Flamingo

Q. The act of changing place or position by the entire body is termed as ________.

1. feeding
2. sleep
3. movement
4. locomotion

Q. Which among the following is the smallest bird?

1. Sparrow
2. Parrot
3. Hummingbird
4. Bulbul

Q.

Muscles in our body always work in pairs.

1. True

2. False

Q. Which among the following is the fastest mammal?

1. Cheetah
2. Deer
3. Horse
4. Bat

Q. To move ‘the lower arm up and down two type of muscles are required. They are

1. Triceps and Smooth muscles
2. Smooth muscles and Cardiac muscles
3. Biceps and Cardiac muscles
4. Biceps and Triceps

Q. The movement and locomotion of all animals are exactly the same.

1. True
2. False

Q.

The skeletal system plays a crucial role when a person meets with an accident. What function of the skeletal system plays a vital role in this scenario?

1. Storage of minerals

2. Protection of organs

3. Providing shape to the body

4. Facilitation of movement

Q. Chapter Summary of Mijbil the Otter