Biology : XI-CH20 – Locomotion and Movement – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Each myosin filament is a polemerized carbohydrate.

Reason: Actin filament is made up of meromysin.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Ball and socket joints are the most mobile joints.

Reason: Synovial fluid is present here in synovial cavity such arrangement allows considerable movement.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: White muscle fibres have very less quantity of myoglobin.

Reason: White muscle fibres have high number of sarcoplasmic reticulum.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Smooth muscles are involuntary muscles

Reason: Their activities are not under voluntary control of the nervous system.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Ciliary movement occurs in most of our internal tubular organs which are lined by ciliated epithelium.

Reason: Passage of ova through the female reproductive tract is also facilitated by the ciliary movement.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: There are similarities between the locomotion of unicellular organisms and multicellular animal.

Reason: Ciliary, flagellar and amoeboid movement occur in unicellular organisms.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Skeletal muscles are striated muscles

Reason: They have striped appearance under the microscope

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Macrophages and leucocytes in blood exhibit amoeboid movement

Reason: They can form pseudopodia by streaming of protoplasm

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Skeleton helps in the blood cell formation.

Reason: Blood flows through skeleton.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Gout is inflammation of muscles.

Reason: It occur due to deposition of urea in muscles.

Both (A) and (R) are true and (R) is correct explanation of the assertion

Both (A) and (R) are true and (R) is not correct explanation of the assertion

(A) is true but (R) is false

Both (A) and (R) are false

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