Nokea
Which part of our body secrets pepsin?
- A. Liver
- B. Pancreas
- C. Thyroid gland
- D. Stomach
Correct Answer: D
Rationale: Gastric chief cells present in our stomach secrete pepsin. It is responsible for the digestion of proteins. The stomach is responsible for the digestion of food. It secretes HCl (Hydrochloric acid) to aid digestion.
You may also like to solve these questions
Emulsification of fats by bile takes place in-
- A. Duodenum
- B. Liver
- C. Stomach
- D. Intestine
Correct Answer: A
Rationale: Bile emulsifies fats in the duodenum, the first part of the small intestine.
Which of the following hormones is primarily responsible for stimulating the release of hydrochloric acid (HCl) from parietal cells during the gastric phase?
- A. Insulin
- B. Gastrin
- C. Glucagon
- D. Somatostatin
Correct Answer: B
Rationale: Gastrin, released by G cells, stimulates parietal cells to secrete HCl during the gastric phase of digestion.
A set of permanent teeth contains:
- A. 20 teeth
- B. 30 teeth
- C. 32 teeth
- D. 24 teeth
Correct Answer: C
Rationale: An adult human has 32 permanent teeth.
Match: Canines
- A. teeth used to grind meat
- B. teeth for tearing food
- C. teeth for crushing
- D. teeth for cutting
Correct Answer: B
Rationale: Canines are pointed teeth designed for tearing food, especially meat.
Where is water mainly absorbed in the alimentary canal?
- A. Small intestine
- B. Stomach
- C. Large intestine
- D. Esophagus
Correct Answer: C
Rationale: The large intestine absorbs most of the remaining water from digested material, forming semi-solid feces.