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Class 10 Biology - PYQ 30 Important Questions

Board Exam Revision Pack | Theory + Diagrams + Short + Long

🔹 A. Short Answer Questions
Q1. What is photosynthesis?
Q2. Define cell.
Q3. What is tissue?
Q4. Function of mitochondria.
Q5. What is transpiration?
Q6. Define heredity.
Q7. What is DNA?
Q8. What is trophic level?
Q9. Define ecosystem.
Q10. What is pollination?
🔹 B. Long Answer Questions
Q11. Explain photosynthesis with equation.
Q12. Describe structure of cell.
Q13. Explain human digestive system.
Q14. Explain respiration in humans.
Q15. Explain transport system in plants.
Q16. Explain nervous system.
Q17. Explain reproduction in plants.
Q18. Explain human reproductive system.
Q19. Explain ecosystem and food chain.
Q20. Explain evolution basics.
🔹 C. PYQ Type Questions
Q21. Draw plant cell and label parts.
Q22. Draw human digestive system.
Q23. Difference between plant and animal cell.
Q24. Why photosynthesis is important?
Q25. Explain role of chlorophyll.
🔹 D. Application Based Questions
Q26. Why leaves are green?
Q27. Why blood is red?
Q28. Why digestion is important?
Q29. Importance of ecosystem balance.
Q30. Why DNA is called genetic material?
🔹 E. Important Diagrams

🌿 Plant Cell

  Cell Wall
   _________
  |         |
  | Nucleus |
  | Chloroplast |
  |_________|
        

🍽️ Human Digestive System

Mouth → Esophagus → Stomach → Intestine
        

🌱 Photosynthesis

CO₂ + H₂O + Sunlight → Glucose + O₂