Free NEET Biology MCQ Practice 2025 | Chapter-Wise Questions with Answers

 Free NEET Biology MCQ Practice 2025 | Chapter-Wise Questions with Answers

Prepare smarter for NEET 2025 with our free NEET Biology MCQ practice set designed for aspirants aiming to crack the exam with confidence. This post offers chapter-wise biology MCQs with answers, covering key topics from Class 11 and 12 NCERT syllabus. Whether you're revising Human Physiology, Genetics, or Plant Kingdom, this curated set of NEET-level biology questions will help boost your accuracy and speed. Each question is framed to match the latest NEET pattern and difficulty level, making it ideal for self-assessment and last-minute revision. With free biology MCQs for NEET, students can strengthen their concepts and improve their scores. Bookmark this post and practice daily to stay ahead in your NEET preparation journey. Perfect for students looking for free NEET biology mock tests, previous year questions, and quick revision tools.

Target Keywords: NEET Biology MCQs, Free NEET Practice, NEET 2025 Questions, Biology MCQs with Answers, NEET Chapter-wise MCQs

🔬 NEET Biology MCQs with Answers

1. Which organelle is known as the powerhouse of the cell?
   a) Golgi apparatus
   b) Mitochondria ✅
   c) Ribosome
   d) Lysosome
2. DNA replication occurs during which phase of the cell cycle?
   a) G1 phase
   b) S phase ✅
   c) G2 phase
   d) M phase
3. Which hormone regulates blood sugar levels?
   a) Insulin ✅
   b) Thyroxine
   c) Adrenaline
   d) Estrogen
4. Which part of the brain controls balance and coordination?
   a) Cerebrum
   b) Cerebellum ✅
   c) Medulla
   d) Pons
5. Which of the following is a C4 plant?
   a) Wheat
   b) Rice
   c) Maize ✅
   d) Barley
6. The functional unit of kidney is:
   a) Nephron ✅
   b) Glomerulus
   c) Bowman’s capsule
   d) Ureter
7. Which vitamin is synthesized in the skin?
   a) Vitamin A
   b) Vitamin B
   c) Vitamin C
   d) Vitamin D ✅
8. Which of the following is a greenhouse gas?
   a) Oxygen
   b) Nitrogen
   c) Carbon dioxide ✅
   d) Hydrogen
9. Which enzyme is present in saliva?
   a) Pepsin
   b) Trypsin
   c) Amylase ✅
   d) Lipase
10. Which blood group is universal donor?
    a) AB+
    b) O- ✅
    c) A+
    d) B-
11. Which structure connects placenta to the fetus?
    a) Amnion
    b) Umbilical cord ✅
    c) Chorion
    d) Yolk sac
12. Which is the largest gland in the human body?
    a) Pancreas
    b) Liver ✅
    c) Thyroid
    d) Adrenal
13. Which process converts glucose into pyruvate?
    a) Glycolysis ✅
    b) Krebs cycle
    c) Photosynthesis
    d) Fermentation
14. Which plant hormone promotes cell elongation?
    a) Cytokinin
    b) Auxin ✅
    c) Gibberellin
    d) Ethylene
15. Which of the following is a sexually transmitted disease?
    a) Tuberculosis
    b) AIDS ✅
    c) Typhoid
    d) Malaria
16. Which part of the flower develops into fruit?
    a) Ovary ✅
    b) Ovule
    c) Petal
    d) Sepal
17. Which molecule carries genetic information?
    a) RNA
    b) DNA ✅
    c) Protein
    d) Lipid
18. Which of the following is a vestigial organ?
    a) Liver
    b) Appendix ✅
    c) Heart
    d) Kidney
19. Which gas is released during photosynthesis?
    a) CO₂
    b) O₂ ✅
    c) N₂
    d) H₂
20. Which of the following is a monocot plant?
    a) Mustard
    b) Gram
    c) Banana ✅
    d) Pea

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• Chapter-wise MCQs

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