"NEET Biology MCQ PDF 2025: 100+ Most Expected Questions with Answers for Free Download"

 "NEET Biology MCQ PDF 2025: 100+ Most Expected Questions with Answers for Free Download"

Preparing for NEET 2025? Boost your score with our NEET Biology MCQ PDF 2025, featuring 100+ most expected questions from Class 11 and 12 chapters. This expertly curated set includes chapter-wise NEET Biology MCQs with answers, aligned with the latest syllabus and exam trends. Whether you're revising Human Physiology, Genetics, or Plant Kingdom, this post offers a free downloadable PDF and 20 sample MCQs to kickstart your prep. Perfect for students aiming for top ranks in NEET UG 2025, this resource is designed to be easy to understand, exam-focused, and highly relevant. Stay ahead with current NEET trends, and practice with confidence. Bookmark for daily updates, mock tests, and free PDFs.

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🔬 20 NEET Biology MCQs with Answers

1. Which organelle is known as the powerhouse of the cell?
   a) Nucleus b) Ribosome c) Mitochondria (✅) d) Golgi apparatus
2. DNA replication occurs during which phase of the cell cycle?
   a) G1 b) S (✅) c) G2 d) M
3. Which hormone regulates blood sugar levels?
   a) Insulin (✅) b) Thyroxine c) Adrenaline d) Estrogen
4. The functional unit of the kidney is:
   a) Nephron (✅) b) Glomerulus c) Bowman’s capsule d) Ureter
5. Which plant hormone promotes cell elongation?
   a) Cytokinin b) Auxin (✅) c) Gibberellin d) Abscisic acid
6. Which structure connects placenta to fetus?
   a) Amnion b) Umbilical cord (✅) c) Chorion d) Yolk sac
7. Mendel’s law of segregation is based on:
   a) Dihybrid cross b) Monohybrid cross (✅) c) Test cross d) Back cross
8. Which vitamin is synthesized in skin?
   a) Vitamin A b) Vitamin D (✅) c) Vitamin C d) Vitamin K
9. Which part of the brain controls balance?
   a) Cerebrum b) Cerebellum (✅) c) Medulla d) Pons
10. Which enzyme digests proteins in the stomach?
    a) Amylase b) Pepsin (✅) c) Lipase d) Trypsin
11. Which blood group is universal donor?
    a) AB+ b) O- (✅) c) A+ d) B-
12. Which process converts glucose to pyruvate?
    a) Glycolysis (✅) b) Krebs cycle c) Fermentation d) Photosynthesis
13. Which is the largest gland in the human body?
    a) Pancreas b) Liver (✅) c) Thyroid d) Adrenal
14. Which pigment is responsible for photosynthesis?
    a) Chlorophyll (✅) b) Xanthophyll c) Carotene d) Anthocyanin
15. Which disease is caused by Plasmodium?
    a) Dengue b) Malaria (✅) c) Typhoid d) Cholera
16. Which part of the flower develops into fruit?
    a) Ovary (✅) b) Ovule c) Petal d) Sepal
17. Which gas is released during photosynthesis?
    a) CO₂ b) O₂ (✅) c) N₂ d) H₂
18. Which organ produces bile?
    a) Liver (✅) b) Pancreas c) Gall bladder d) Stomach
19. Which cell organelle is involved in protein synthesis?
    a) Ribosome (✅) b) Lysosome c) Peroxisome d) Vacuole
20. Which is the smallest unit of life?
    a) Atom b) Cell (✅) c) Molecule d) Tissue

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