Sudden jerking causes sudden extension and abduction of extremities in newborn, is known as –

Correct option is A

Sol. Moro reflex is a primitive reflex where newborns show limb extension when startled or jerked. Explanation of each option: ● (a) Moro reflex – Correct answer. Indicates healthy neurological development in newborns. ● (b) Babinski reflex – Stroking sole causes toe fanning; not related to sudden movement. ● (c) Gag reflex – Protective reflex of the throat, triggered by stimuli in the pharynx. ● (d) Grasp reflex – Occurs when the baby's palm is touched, causing it to close fingers.