423 and 424..
Dear student,
Q423. Option (B) Sweating , is not an example of reflex action while the other three are example of reflex action (whuch is an involuntary response of effectors to a stimulus).
Q424. The correct option is (d) by blocking acetylcholine receptor. As nerve gas bind to the AChE molecule and prevent it to bind to acetylcholine to stop its function.
Regards
Q423. Option (B) Sweating , is not an example of reflex action while the other three are example of reflex action (whuch is an involuntary response of effectors to a stimulus).
Q424. The correct option is (d) by blocking acetylcholine receptor. As nerve gas bind to the AChE molecule and prevent it to bind to acetylcholine to stop its function.
Regards