📚BIOLOGY COMMON QUESTIONS

1. Which of the following is NOT a function of the respiratory system?
(A) Gas exchange
(B) Regulation of body temperature
(C) Production of hormones
(D) Filtration of blood

2. The primary organ of gas exchange in the respiratory system is the:
(A) Lungs
(B) Heart
(C) Liver
(D) Kidneys

3. Which of the following structures is responsible for warming and moistening inhaled air?
(A) Nasal cavity
(B) Trachea
(C) Alveoli
(D) Pleura

4. The process of gas exchange in the lungs is known as:
(A) Diffusion
(B) Osmosis
(C) Filtration
(D) Active transport

5. Which of the following is a respiratory muscle that helps expand the chest cavity during inhalation?
(A) Diaphragm
(B) Intercostal muscles
(C) Abdominal muscles
(D) Both A and B

6. Which enzyme initiates the digestion of proteins in the stomach?
(A) Pepsin
(B) Amylase
(C) Lipase
(D) Maltase

7. The main function of the large intestine is to:
(A) Absorb nutrients
(B) Digest fats
(C) Absorb water
(D) Store bile

8. Which organ produces bile, a substance that aids in the digestion of fats?
(A) Liver
(B) Pancreas
(C) Gallbladder
(D) Small intestine

9. The process by which food is broken down into smaller molecules is called:
(A) Ingestion
(B) Digestion
(C) Absorption
(D) Elimination

10. Which of the following is NOT a type of digestive enzyme?
(A) Carbohydrase
(B) Protease
(C) Lipase
(D) Protease


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