What is the correct answer?


Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______ years.

A. 2

B. 3

C. 5

D. 8

Correct Answer :

A. 2

Related Questions

The suggestion that the chromosomes are the carriers of hereditary material… Warm-bloodedness The liver destroys old The tear glands help us in When a movement of a plant organ is stimulated by contact with an object,… Which one of the following is essential for blood clotting? The Green Revolution in India owes much to Which one of the following animals stores water in the intestine? The germ theory of diseases was put forward by Who was the first scientist to use an instrument for biological studies… The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain Which among the following cows give maximum milk yields? Eugenics is the application of genetics to improve Animals that feed only on dead flesh are Digestion of proteins starts in the Viruses have The blood pressure is controlled by the hormone Who is called the father of modem antiseptic surgery? The hormone that is responsible for secondary sexual character in the… In phototropism, auxins The mouth of a river opening into the sea is termed as The spider spins its web from a liquid secreting from its The hypoglossal nerves are the pairs of the spinal nerves Compared to the veins, the walls of arteries are Appearance of offspring resembling their remote ancestor is called The organ that produces antibodies in our body is Insects that make a clicking sound are The plants will stop growing if the shoot tip is cut off because The influenza vaccine was discovered by The theory of use and disuse was used to explain evolution by