Question 1:

Which organ in the digestive system is primarily responsible for the absorption of nutrients?

Explanation: The small intestine is primarily responsible for the absorption of nutrients in the digestive tract.

Question 2:

Which of the following nutrients is mainly absorbed in the stomach?

Explanation: None of the mentioned nutrients are primarily absorbed in the stomach. The main absorption of nutrients occurs in the small intestine.

Question 3:

How are nutrients absorbed in the small intestine?

Explanation: Nutrients are absorbed in the small intestine through various mechanisms, including passive diffusion, active transport, and facilitated diffusion.

Question 4>:

Which of the following vitamins requires bile for its absorption?

Explanation: Vitamin D requires bile for its absorption in the small intestine.

Question 5:

Where does the absorption of water mainly occur in the digestive tract?

Explanation: The absorption of water mainly occurs in the large intestine of the digestive tract.