15 Most Expected Biology Questions for NEET 2025
Are you ready to ace NEET 2025 Biology? With 50% weightage in the exam, Biology is your golden ticket to securing a top rank! But cracking NEET isn’t just about memorizing facts, it’s about mastering concepts, improving speed, and sharpening accuracy.
To help you get ahead, we’ve compiled 15 high-yield NEET-level questions covering crucial topics like genetics, human physiology, ecology, and evolution. These questions will challenge your understanding, boost your confidence, and fine-tune your preparation.
Whether you're aiming for AIIMS, JIPMER, or top medical colleges, consistent practice is the key to success. So, grab a pen, test your knowledge, and see where you stand!
1. Which of the following is the functional unit of the kidney?
A) Neuron
B) Nephron
C) Alveolus
D) Glomerulus
2. DNA replication occurs in which phase of the cell cycle?
A) G1 phase
B) G2 phase
C) S phase
D) M phase
3. Which plant hormone is responsible for cell elongation?
A) Cytokinin
B) Auxin
C) Gibberellin
D) Abscisic Acid
4. In the human digestive system, which enzyme is responsible for protein digestion in the stomach?
A) Trypsin
B) Pepsin
C) Amylase
D) Lipase
5. What is the chromosomal condition of a normal human female?
A) 46, XY
B) 44, XX
C) 46, XX
D) 45, X
6. Which part of the brain controls voluntary movements?
A) Cerebrum
B) Cerebellum
C) Medulla oblongata
D) Hypothalamus
7. The term 'Genetic Drift' was introduced by:
A) Charles Darwin
B) Gregor Mendel
C) Sewall Wright
D) Hugo de Vries
8. In a food chain, herbivores are known as:
A) Producers
B) Primary consumers
C) Secondary consumers
D) Decomposers
9. Which of the following diseases is caused by a virus?
A) Tuberculosis
B) Malaria
C) Influenza
D) Typhoid
10. What is the main function of stomata in plants?
A) Photosynthesis
B) Transpiration
C) Respiration
D) Both B and C
11. The powerhouse of the cell is:
A) Ribosome
B) Lysosome
C) Mitochondria
D) Endoplasmic Reticulum
12. Which biomolecule is the most abundant in the human body?
A) Carbohydrates
B) Proteins
C) Lipids
D) Water
13. The term ‘double fertilization’ is associated with:
A) Algae
B) Gymnosperms
C) Angiosperms
D) Bryophytes
14. What is the main nitrogenous waste excreted by humans?
A) Urea
B) Ammonia
C) Uric acid
D) Creatinine
15. In Mendelian genetics, a cross between two heterozygous (Tt) plants for a single trait will give a phenotypic ratio of:
A) 1:1
B) 3:1
C) 9:3:3:1
D) 2:1
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Practicing these questions will help NEET 2025 aspirants strengthen their Biology concepts. Stay consistent in your preparation and focus on NCERT-based questions for better results.
For more expert guidance, stay updated with PlanEdu and boost your chances of securing a high score in NEET 2025!
