“NEET Human Physiology MCQs with Answers | Top 20 Practice Questions for 2025”

 “NEET Human Physiology MCQs with Answers | Top 20 Practice Questions for 2025”

Preparing for NEET 2025? Human Physiology is one of the most scoring sections in Biology, and mastering it can significantly boost your rank. At MCQJourney.com, we bring you a curated set of 20+ NEET Human Physiology MCQs with detailed answers designed to strengthen your concepts and improve exam readiness. These questions cover essential topics like digestion, respiration, circulation, excretion, nervous system, and endocrine regulation. Each MCQ is crafted to match the latest NEET exam pattern, ensuring you practice with exam-oriented, high-yield questions. Whether you are revising for last-minute preparation or building a strong foundation, this post is your one-stop resource for NEET MCQs, GK, and current affairs in education. Practice these questions regularly to enhance speed, accuracy, and confidence. Stay ahead in your preparation with MCQ Journey – your trusted platform for exams, MCQs, GK, and current affairs.

🧠 NEET Human Physiology – MCQs with Answers

1. Which enzyme is secreted by the salivary glands?
   a) Pepsin
   b) Amylase ✔️
   c) Lipase
   d) Trypsin

2. The functional unit of the kidney is:
   a) Nephron ✔️
   b) Glomerulus
   c) Bowman’s capsule
   d) Collecting duct

3. Which part of the brain controls voluntary actions?
   a) Cerebellum
   b) Cerebrum ✔️
   c) Medulla
   d) Pons

4. Hemoglobin binds with:
   a) Carbon dioxide
   b) Oxygen ✔️
   c) Nitrogen
   d) Water

5. Which hormone regulates blood sugar levels?
   a) Thyroxine
   b) Insulin ✔️
   c) Adrenaline
   d) Glucagon

6. The pacemaker of the heart is:
   a) AV Node
   b) SA Node ✔️
   c) Purkinje fibers
   d) Bundle of His

7. Which organ produces bile?
   a) Pancreas
   b) Liver ✔️
   c) Gall bladder
   d) Stomach

8. The primary site of gas exchange in lungs is:
   a) Bronchi
   b) Alveoli ✔️
   c) Trachea
   d) Pleura

9. Which vitamin is essential for blood clotting?
   a) Vitamin A
   b) Vitamin C
   c) Vitamin K ✔️
   d) Vitamin D

10. The structural and functional unit of the nervous system is:
    a) Axon
    b) Neuron ✔️
    c) Synapse
    d) Dendrite

11. Which gland secretes growth hormone?
    a) Thyroid
    b) Pituitary gland ✔️
    c) Adrenal gland
    d) Pancreas

12. The process of removal of metabolic waste is called:
    a) Respiration
    b) Excretion ✔️
    c) Digestion
    d) Assimilation

13. Which blood cells help in immunity?
    a) RBCs
    b) Platelets
    c) WBCs ✔️
    d) Plasma cells

14. The normal human heartbeat rate is:
    a) 60 bpm
    b) 72 bpm ✔️
    c) 80 bpm
    d) 100 bpm

15. Which enzyme digests proteins in the stomach?
    a) Amylase
    b) Pepsin ✔️
    c) Lipase
    d) Trypsin

16. The largest part of the human brain is:
    a) Cerebellum
    b) Cerebrum ✔️
    c) Medulla
    d) Hypothalamus

17. Which organ regulates water balance in the body?
    a) Liver
    b) Kidney ✔️
    c) Lungs
    d) Heart

18. The hormone adrenaline is secreted by:
    a) Pituitary gland
    b) Thyroid gland
    c) Adrenal gland ✔️
    d) Pancreas

19. Which blood group is called the universal donor?
    a) AB+
    b) O− ✔️
    c) A+
    d) B−

20. The exchange of gases in tissues is called:
    a) External respiration
    b) Internal respiration ✔️
    c) Cellular respiration
    d) Pulmonary respiration

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