‘Regurgitated by the parent birds’ means
chewed and fed
digested and brought back
chewed and spat out.
swallowed and brought back
‘Regurgitated‘ means swallowed and again brought back.
Question 10 Cud is the name given to the food of ruminants which is (a) Swallowed and undigested (b) Swallowed and partially digested (c) Properly chewed and partially digested (d) Properly chewed and completely digested