Movements and Locomotion

Q.

Fish swim with the help of _______

1. Fins

2. Scales

3. Tail

4. Muscle

Q. What is the movement of amoeba called?

Q.

Write any two functions of cerebrospinal fluid.

Q.

A muscle can only pull.

1. Pull only

2. Push only

Q.

An alcoholic person walks unsteadily when drunk. Why?

Q.

Compare the structure and functions of plants and animals.

Q.

Movement of tentacles in Drosera is

1. Photonastic

2. Thermonastic

3. Thigmonastic

4. Seismonastic

Q.

A Coronary Sulcus is _______.

1. Transverse groove

2. Longitudinal sulcus.

3. Inter-articular septum

4. Also known as the interventricular sulcus

Q.

Sympathetic nervous system increases heartbeat.

1. True
2. False

Q.

Name the fluid that protects the brain against any mechanical shock.

Q.

Give reasons:

Cerebrospinal fluid serves as a shock absorber.

Q.

Locomotion on two legs is called ___ locomotion

Q.

The diagram given alongside represents the human brain as seen from an external view. Study the same and then answer the questions that follow-

1. Name the parts labeled 1, 2, 3, and 4.
2. Mention the difference in the arrangement of the nerve cells in the parts marked ‘1’ and ‘4’.
3. What is the main function of the parts marked ‘3’ and ‘4’?
4. Name the sheet of nerve fibers that connect the two halves of the part labeled ‘1’.

Q.

Describe the central nervous system in human beings.

Q. What are the organs of locomotion in aquatic mammals?​

1. Wings
2. Limbs
3. Fins
4. Flippers

Q. What part of the muscular system helps you get up out of a chair?

Q. The change in position of only some parts of the body is called ___________.

1. locomotion
2. breathing
3. digestion
4. movement

Q.

The diagram shows a section of the human brain.

Answer the question that follows-

1. Name the parts labeled A, B, and C.
2. Give the main function of each of the parts A, B, and C.

Q. The seasonal movement of birds in search of food or favorable environment is known as:​

1. migration
2. locomotion
3. hibernation
4. predation

Q.

Involuntary actions are controlled by

1. medulla in forebrain.

2. medulla in midbrain.

3. medulla in hindbrain.

4. medulla in spinal cord.

Q.

Which of the following is an ideal first aid for a fractured bone?

1. Apply a wet cloth soaked in baking soda on the affected part

2. Make the person lean for forward

3. Wrap a sling to limit the movement of the affected part

4. Apply an antibiotic cream to the affected part

Q. Seasonal mass movement of birds from one region to another is known as:

1. Dispersion
2. Migration
3. Conductance
4. Survival

Q.

An insect is trying to climb on a high finishing smooth wall. Because of the high finishing of the wall, the insect slips down sometimes. The target of the insect is$11cm$ high in the wall from its initial position. If we denote his motion upside by a positive integer and downside by a negative integer, answer the following:

(i) If it crawls $8cm$ upside but slips down by making the $3cm$ in each of its moves, what is the position of the insect after two such moves.

Q.

Do fishes and and butterflies also migrate like birds ?

Q.

Which structures are responsible for the movement and capture of food in amoeba?

1. Cillia

2. Legs

3. Pseudopodia

4. Cell wall

Q.

Do the kidneys regulate potassium?

Q.

The movement in the figure shown below is called ___ movement

Q. What are the organs of locomotion in aquatic mammals?​

1. Wings
2. Limbs
3. Fins
4. Flippers

Q.

The reaction of the body to the stimulus.

Q. A body is projected vertically upward at t=0 and it is seen at a hieght H at instance T1 and T2 seconds during flight . Find maximum hieght.