1. What is science?
বিজ্ঞান কী?
A. Art
B. Story
C. Game
D.Study of nature
D.Study of nature
✅ প্রকৃতির অধ্যয়ন
2. What is matter?
পদার্থ কী?
A. Only liquid
B. Only solid
C. Anything that has mass and occupies space
D. Only gas
C. Anything that has mass and occupies space ✅
3. What is force?
বল কী?
A.Speed
B. Push or pull
C. Energy
D. Motion
B. Push or pull
✅ ঠেলা বা টান
4. What is energy?
শক্তি কী?
A. Ability to do work
B. Force
C. Speed
D. Motion
A. Ability to do work
✅ কাজ করার ক্ষমতা
5. What is motion?
গতি কী?
A. Force
B. Rest
C. Change in position
D. Energy
C. Change in position
✅ অবস্থান পরিবর্তন
6. What is friction?
ঘর্ষণ কী?
A. Work
B. Energy
C. Speed
D. Force that opposes motion
D. Force that opposes motion ✅
7. What is gravity?
মাধ্যাকর্ষণ কী?
A. Pull
B. Push
C. Force of attraction
D. Motion
C. Force of attraction✅
8. What is sound?
শব্দ কী?
A. Light
B. Form of energy
C. Heat
D. Force
B. Form of energy ✅
9. What is light?
আলো কী?
A. Form of energy
B. Force
C. Motion
D. Work
A. Form of energy ✅
10. What is heat?
তাপ কী?
A. Work
B. Force
C. Motion
D. Form of energy
D. Form of energy ✅
11. What is plant?
উদ্ভিদ কী?
A. Gas
B.Living thing
C. Non-living
D. Water
B.Living thing ✅
12. What is animal?
প্রাণী কী?
A. Water
B. Non-living
C. Gas
D. Living thing
D. Living thing ✅
13. What is cell?
কোষ কী?
A. Organ
B. Tissue
C. Basic unit of life
D. System
C. Basic unit of life ✅
14. What is tissue?
টিস্যু কী?
A. Group of cells
B. Organ
C. System
D. Body
A. Group of cells ✅
15. What is organ?
অঙ্গ কী?
A. Body
B. Cell
C. System
D. Group of tissues
D. Group of tissues ✅
16. What is photosynthesis?
সালোকসংশ্লেষ কী?
A. Respiration
B. Food making process in plants
C. Digestion
D. Excretion
B. Food making process in plants ✅
17. What is respiration?
শ্বসন কী?
A. Sleeping
B. Eating
C. Drinking
D. Release of energy from food
D. Release of energy from food ✅
18. What is digestion?
হজম কী?
A. Breaking down food
B. Eating
C. Drinking
D. Sleeping
A. Breaking down food ✅
19. What is excretion?
নির্গমন কী?
A. Sleeping
B. Eating
C. Drinking
D. Removal of waste
D. Removal of waste ✅
20. What is reproduction?
প্রজনন কী?
A. Eating
B. Producing young ones
C. Drinking
D. Sleeping
B. Producing young ones ✅
21. What is ecosystem?
বাস্তুতন্ত্র কী?
A. Only water
B. Only plants
C. Only animals
D. Interaction of living & non-living
D. Interaction of living & non-living ✅
22. What is pollution?
দূষণ কী?
A. Safe
B. Clean
C. Harmful changes in environment
D. Healthy
C. Harmful changes in environment ✅
23. What is water cycle?
জলচক্র কী?
A.Still water
B.Continuous movement of water
C. Dry
D. None
B.Continuous movement of water ✅
24. What is evaporation?
বাষ্পীভবন কী?
A. Liquid to gas
B. Gas to liquid
C. Solid to liquid
D. None
A. Liquid to gas ✅
25. What is condensation?
ঘনীভবন কী?
A. Solid to gas
B. Liquid to gas
C. Gas to liquid
D. None
C. Gas to liquid ✅
26. What is solid?
কঠিন পদার্থ কী?
A. Gas
B. No shape
C. Fixed shape
D. Liquid
C. Fixed shape ✅
27. What is liquid?
তরল কী?
A. No fixed shape
B. Fixed shape
C. Gas
D. Solid
A. No fixed shape ✅
28. What is gas?
গ্যাস কী?
A.Liquid
B. Fixed
C. Solid
D. No fixed shape & volume
D. No fixed shape & volume ✅
29. What is magnet?
চুম্বক কী?
A. Pull
B. Push
C. Attracts iron
D. Heat
C. Attracts iron
30. What is electricity?
বিদ্যুৎ কী?
A. Flow of electrons
B. Light
C. Heat
D. Sound
A. Flow of electrons ✅
