5 12345678910 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: 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 2 / 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 3 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Repeated activation of skeletal muscle can lead to fatigue Reason: Accumulation of lactic acid occur due to anaerobic respiration 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: 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 5 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Arthritis or inflammation of a joint makes the joint painful. Reason: Some toxic substances are deposited at the joint. 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: Myasthenia gravis is autoimmune disorder. Reason: It results due to antibodies are formed that block our own nicotinic acetylcholine receptor at neuromuscular junction. 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: Bone have very hard matrix Reason: Matrix of bone contain calcium salt in it 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: 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 9 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In parathyroid tetany rapid spasm of muscle occurs. Reason: It is due to low calcium ion in body fluid. 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: We can remove dust particle and some foreign substances inhaled along with the atmospheric air from trachea Reason: Trachea is lined with ciliated epithelium 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 Your score is Restart quiz Was this helpful? YesNo 0 / 0 #XI - Biology - Assertion and Reason