Class 9 Science Competency-Based MCQs
CBSE Class 9 Science ā Competency-Based MCQs
Class: 9 | Subject: Science | Section: Exam Oriented
Topic: Competency-Based MCQs ā CBSE Board Examination Pattern
Topic: Competency-Based MCQs ā CBSE Board Examination Pattern
Instructions: These competency-based MCQs are strictly designed as per the NCERT syllabus and latest CBSE exam pattern. Questions focus on application, analysis, and conceptual understanding.
1. A student compresses a gas in a syringe. What happens to particle spacing?
Answer: B
Compression forces gas particles closer, reducing intermolecular space.
Compression forces gas particles closer, reducing intermolecular space.
2. Why do solids have definite shape?
Answer: C
Strong forces hold particles tightly in fixed positions.
Strong forces hold particles tightly in fixed positions.
3. A car covers equal distances in equal intervals. Motion is:
Answer: B
Equal distances in equal time define uniform motion.
Equal distances in equal time define uniform motion.
4. Increasing temperature increases diffusion because:
Answer: B
Higher kinetic energy speeds particle movement.
Higher kinetic energy speeds particle movement.
5. Which organelle controls cell activities?
Answer: B
Nucleus contains DNA and regulates functions.
Nucleus contains DNA and regulates functions.
6. Why do plants appear green?
Answer: B
7. Acceleration occurs when velocity:
Answer: C
8. Plasma membrane is:
Answer: C
9. Unit of speed:
Answer: C
10. Boiling point depends on:
Answer: A
11. Prokaryotes lack:
Answer: C
12. Inertia depends on:
Answer: B
13. Latent heat is absorbed during:
Answer: A
14. Sound requires:
Answer: B
15. SI unit of force:
Answer: B
16. Photosynthesis occurs in:
Answer: B
17. Density formula:
Answer: B
18. Ozone protects from:
Answer: B
19. Velocity includes:
Answer: A
20. Universal solvent:
Answer: B