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Locomotion and Movement (Class - XI)

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The heads of all the metatarsal bones are connected by _______ ligaments.

  1. transverse metatarsal

  2. deep transverse metacarpal

  3. dorsal radioulnar

  4. dorsal radiocarpal


Correct Option: A
Explanation:

The transverse metatarsal ligament is a narrow band, which runs across and connects together the heads of all the metatarsal bones.

The pea-shaped bone in the wrist is

  1. triquetral bone

  2. pisiform

  3. lunate bone

  4. trapezoid bone


Correct Option: B
Explanation:

The pisiform bone is a small, knobbly, pea-shaped wrist bone. 

What type of freely movable joint is present in between atlas and axis?

  1. Ball and socket

  2. Hinge joint

  3. Pivot joint

  4. Saddle joint


Correct Option: C
Explanation:

Synovial joint present in between atlas and axis is of pivot joint type.

Directions: The following question has four choices, out of which ONLY ONE is correct.

The layers of flat broad tendons are known as

  1. aponeuroses

  2. nerves

  3. myelin

  4. schwann cells


Correct Option: A
Explanation:

Aponeuroses are layers of flat broad tendons. 

Movement in earthworms is facilitated by

  1. tube feet

  2. setae

  3. flagella

  4. pseudopodia

  5. tentacles


Correct Option: B
Explanation:

These are bristle-like structures found on an earthworm's body.

How do coelenterates move from one place to another?

  1. By using pseudopodia

  2. By using cilia

  3. By using tentacles

  4. They do not move


Correct Option: C
Explanation:

Coelenterates locomote with the help of tentacles.

In which organism are contractile fibrils found?

  1. Euglena

  2. Paramecium

  3. Hydra

  4. Earthworm


Correct Option: C
Explanation:

The inner muscular part of epitheliomuscular cells is provided with contractile fibrils.

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.

How do body cells like macrophages and leukocytes move?

  1. By flagellar movement

  2. By pseudopodial movement

  3. By ciliary movement

  4. They are sessile


Correct Option: B
Explanation:

Macrophages and leukocytes move by pseudopodial movement.

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.

What are sessile organisms?

  1. Organisms which are not differentiated into sexes

  2. Organisms which cannot move

  3. Organisms which move by pseudopodia

  4. Organisms which have tentacles as locomotory organs


Correct Option: B
Explanation:

Organisms which cannot move are called sessile organisms. They remain fixed at a place.

Bones that form pelvic girdle are

  1. radius - ulna

  2. tibia - fibula

  3. ilium - ischium - pubis

  4. clavicle - scapula

  5. tarsal - metatarsals - phalanges


Correct Option: C
Explanation:

Each half of pelvic girdle is made up of ilium, ischium and pubis.

Most muscles in our body are attached to the bones, but some are not. Which of the following muscles is not attached to bones?

  1. Muscles of hand

  2. Muscles of back

  3. Muscles which move our eyelids

  4. Muscles of legs

  5. Muscles of neck


Correct Option: C
Explanation:

These muscles are not attached to any bone. 

Identify hinge joint(s) from the given alternatives.

  1. Carpals

  2. Wrist

  3. Joint between atlas and axis vertebrae

  4. Skull

  5. Shoulder


Correct Option: A
Explanation:

These small bones of the hand are joined together by hinge joint.

Which of the following is not a bone of forelimb in humans?

  1. Tarsal

  2. Humerus

  3. Carpal

  4. Radius

  5. Ulna


Correct Option: A
Explanation:

These are the bones found in the ankle and are 7 in number.

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