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Body Movements

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How many bones are there in an adult human body?

  1. 300

  2. 350

  3. 206

  4. 22

  5. 306


Correct Option: C
Explanation:

There are 206 bones in an adult human body.

Synovial cavity is found in

  1. fixed joint

  2. slightly movable joints

  3. freely movable joints

  4. All of the above

  5. None of these


Correct Option: C
Explanation:

Synovial cavity or joint cavity is found in such joints.

Which of the following bone structures protects our lungs?

  1. Cranium

  2. Mandible

  3. Rib cage

  4. Backbone

  5. Pelvic bone


Correct Option: C
Explanation:

Rib cage protects our lungs.

Which of the following is not a part of the skeletal system of a human body?

  1. Skull

  2. Heart

  3. Rib cage

  4. Vertebral column

  5. Limbs


Correct Option: B
Explanation:

Heart is an organ and is not a part of skeleton system.

Which of the following bones protects the lower abdominal organs such as urinary bladder, rectum and uterus?

  1. Rib cage

  2. Sternum

  3. Backbone

  4. Pelvis

  5. Skull


Correct Option: D
Explanation:

The pelvic bone protects the lower abdominal organs such as urinary bladder, rectum and uterus.

How many vertebrae are present in the vertebral column of a human body?

  1. 22

  2. 33

  3. 10

  4. 70

  5. 300


Correct Option: B
Explanation:

The backbone or vertebral column is composed of 33 small rings like vertebrae joined end to end.

Which of the following have the minimum number of joints? A. Backbone B. Skull C. Legs D. Feet

  1. Only A

  2. Only B

  3. Only C

  4. Only A and B

  5. Only B and C


Correct Option: B
Explanation:

This is correct. Skull has one movable joint at the jaw.

Which of the following statements is/are correct about birds? a. Birds have strong shoulder bones. b. The wings of birds are modified forelimbs. c. The tail of a bird controls the direction of flight.

  1. Only a

  2. Only b

  3. Only c

  4. Only a and c

  5. All of these


Correct Option: E
Explanation:

This is the correct option as all the statements are correct about birds.

Which of the following joints allows movement in all directions?

  1. Pelvis

  2. Skull

  3. Backbone

  4. Hip

  5. Knee


Correct Option: D
Explanation:

Hip is the correct option as this is a ball and socket joint that allows movement in all directions.

Which of the following are types of tissues in a human body? a. Nerves b. Muscles c. Femur d. Cranium

  1. Only a and b

  2. Only a and c

  3. Only b and c

  4. Only a and d

  5. Only b and d


Correct Option: A
Explanation:

This is the correct option. Muscles and nerves are tissues.

Which of the following statements is/are true for bones? a. Bones are harder than cartilages. b. Finger bones do not have joints. c. The fore arm has two bones.

  1. Only a

  2. Only b

  3. Only c

  4. Only a and b

  5. Only a and c


Correct Option: E
Explanation:

These statements are correct.

Which of the following joints is a pivot joint?

  1. Skull

  2. Shoulder

  3. Neck

  4. Elbow

  5. Finger


Correct Option: C
Explanation:

Neck is a pivot joint.

Muscles are attached to the bone by which of the following?

  1. Tendons

  2. Cartilages

  3. Ligaments

  4. Tissues

  5. Nerves


Correct Option: A
Explanation:

This is the correct option as muscles are attached to the bone by tendons.

Which of the following is/are correct? A. Skeleton system consists of bones and cartilages. B. A muscle regains its original shape when it relaxes. C. A joint occurs where two bones meet.

  1. Only A

  2. Only B

  3. Only C

  4. Only A and C

  5. All of these


Correct Option: E
Explanation:

All the statements are correct. This is the correct option.

Which of the following statements is/are incorrect? a. The human foot has five long bones. b. Locomotion in a snail is with the help of a foot that is a part of its belly. c. Locomotion is found in all living beings.

  1. Only a

  2. Only b

  3. Only c

  4. All of these

  5. None of these


Correct Option: C
Explanation:

This is the incorrect statement. Locomotion is not found in all living beings, it is found only in animals.

In which of the following animals is exoskeleton not found?

  1. Horse

  2. Spider

  3. Cockroach

  4. Snail

  5. Mosquito


Correct Option: A
Explanation:

This is the correct answer. Horses have endoskeleton.

Which of the following form(s) the shoulder bone? a. Cranium b. Collar bone c. Shoulder blade

  1. Only a

  2. Only b

  3. Only c

  4. Only a and c

  5. Only b and c


Correct Option: E
Explanation:

This is correct. Shoulder blade and collar bone together form the shoulder bone.

Cockroach has _________ pair(s) of limbs.

  1. one

  2. two

  3. three

  4. five

  5. six


Correct Option: C
Explanation:

This is the correct option. Cockroaches have three pairs of limbs. Insects have three pairs of limbs.

Which of the following statements is/are true? a. The movement of blood helps the earthworm to move forward. b. The earthworm’s body secretes a slimy substance, which helps in movement. c. Locomotion in earthworm is brought about by the relaxation and contraction of body muscles.

  1. Only a

  2. Only b

  3. Only c

  4. Only b and c

  5. All of these


Correct Option: E
Explanation:

All the statements are correct. Circular and longitudinal muscle fibres are present on the body wall of the earthworm. The movement of these muscles pushes the blood in the direction of body movement. This movement of blood helps the animal move forward. The earthworm’s body secretes a slimy substance, which helps in movement. Locomotion in earthworm is brought about by the relaxation and contraction of body muscles.

Match the Column - I with Column - II.

 
Column - I Column - II
A. Wrist 1. Pivot
B. Hip 2. Hinge
C. Neck 3. Ball and socket
  1. A - 1, B - 2, C - 3

  2. A - 2, B - 3, C - 1

  3. A - 3, B - 1, C - 3

  4. A - 2, B - 1, C - 3

  5. A - 1, B - 3, C - 2


Correct Option: B
Explanation:

This is the correct matching. Wrist is a hinge joint. Hip is a ball and socket joint. Neck is a pivot joint.

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