Question

Ornithine cycle is related with:

• A. Reproduction
• B. Respiration
• C. Excretion
• D. Digestion

Answer 1

The correct option is C

Excretion

The correct option is (C):

Explanation of the correct option:

1. Ornithine cycle occurs in the liver which is associated with the formation of urea for excretion.
2. At first it involves the conversion of proteins to form ammonia.
3. The ammonia is then converted to form urea.
4. Urea is a nitrogenous waste that is present in the urine of ureotelic organisms. For example, human beings.

Explanation of the incorrect options:

Option (A):

1. Reproduction is a phenomenon that results in the production of offspring from existing individuals of the same kind.
2. It is not related to the ornithine cycle.

Option (B):

1. Respiration is the process of inhaling oxygen and giving out carbon dioxide.
2. It is not related to the ornithine cycle.

Option (D):

1. Digestion is the biochemical process of breaking down complex food into simpler absorbable forms for getting nutrition.
2. It is not related to the ornithine cycle.

Final answer:

The ornithine cycle is related to excretion.