"NEET Biology MCQ Quiz 2025: Practice 20 Most Expected Questions for Exam Success"

 "NEET Biology MCQ Quiz 2025: Practice 20 Most Expected Questions for Exam Success"

Prepare smarter for NEET 2025 with this high-yield Biology MCQ quiz designed to boost your exam readiness. This post features 20 most expected NEET Biology questions, curated from key topics like Human Physiology, Genetics, Plant Kingdom, and Ecology. Each question is accompanied by a clear answer to help you revise faster and smarter. Whether you're targeting AIIMS, JIPMER, or NEET UG, these MCQs are aligned with the latest syllabus and exam trends. Perfect for daily practice, this quiz helps reinforce concepts and improve accuracy. Stay ahead in your NEET preparation journey with — your trusted source for exam-focused MCQs, current affairs, and educational resources. Target Keywords: NEET Biology MCQs, NEET 2025 quiz, NEET UG preparation, Biology 

1. Which organelle is known as the powerhouse of the cell?
   a) Ribosome b) Golgi apparatus c) Mitochondria ✅ d) Lysosome
   

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) Thyroxine b) Insulin ✅ c) Adrenaline d) Estrogen
   

4. The functional unit of the kidney is:
   a) Nephron ✅ b) Glomerulus c) Bowman’s capsule d) Ureter
   

5. Which part of the brain controls balance and coordination?
   a) Cerebrum b) Cerebellum ✅ c) Medulla d) Pons

6. Which of the following is a C4 plant?
   a) Wheat b) Rice c) Maize ✅ d) Barley
   

7. Which vitamin is synthesized in the skin?
   a) Vitamin A b) Vitamin D ✅ c) Vitamin C d) Vitamin K
   

8. Which blood group is universal donor?
   a) AB+ b) O- ✅ c) A+ d) B-
   

9. Which enzyme is present in saliva?
   a) Pepsin b) Trypsin c) Amylase ✅ d) Lipase
   

10. Which plant hormone promotes cell elongation?
    a) Cytokinin b) Auxin ✅ c) Gibberellin d) Abscisic acid
    

11. Which structure connects the fetus to the placenta?
    a) Amnion b) Umbilical cord ✅ c) Chorion d) Yolk sac
    

12. Which of the following is a genetic disorder?
    a) Malaria b) Diabetes c) Down syndrome ✅ d) Tuberculosis
    

13. Which gas is released during photosynthesis?
    a) CO₂ b) O₂ ✅ c) N₂ d) H₂
    

14. Which part of the flower becomes the fruit?
    a) Ovary ✅ b) Ovule c) Petal d) Sepal
    

15. Which is the largest gland in the human body?
    a) Pancreas b) Liver ✅ c) Thyroid d) Adrenal
    

16. Which process converts glucose into energy?
    a) Photosynthesis b) Respiration ✅ c) Transpiration d) Fermentation.

17. Which of the following is a sexually transmitted disease?
    a) Typhoid b) AIDS ✅ c) Cholera d) Dengue
    

18. Which organ secretes bile?
    a) Pancreas b) Liver ✅ c) Gallbladder d) Stomach
    

19. Which molecule carries genetic information?
    a) RNA b) DNA ✅ c) Protein d) Lipid
    

20. Which of the following is a monocot plant?
    a) Pea b) Mustard c) Rice ✅ d) Sunflower
    
    

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