Consider the following statements regarding the digestion and absorption of food in humans.
I. Antipellagra vitamin is nicotinamide which is present in milk, yeast, meat , leafy vegetable and whole grains.
II. Deficiency of vitamin thiamin causes loss of appetite, muscle depreciation, fatigue and mental confusion.
III. Prolonged deficiency of tocopherol reduces reproductive capacity in human beings.
IV. Gastrovascular cavity performs both functions, i.e., digestion and distribution of nutrients.
Choose the correct option accordingly.

Options

A. All statements are incorrect
B. All statements are correct
C. I and II are correct
D. I and II are incorrect.

Answer

B