ICSE Class 6 Biology - Cell Structure - Test 3 (Advanced)
1. Shrinking of a plant cell in a salty solution is called:
A. Photosynthesis
B. Plasmolysis
C. Germination
2. A plant cell full of water is called:
A. Dead cell
B. Plasmolysed cell
C. Turgid cell
3. The shape of red blood cells is important because it:
A. Helps carry more oxygen
B. Makes them green
C. Helps photosynthesis
4. Nerve cells are long mainly to:
A. Store food
B. Carry messages efficiently
C. Absorb sunlight
5. The tail of sperm cell helps in:
A. Digestion
B. Respiration
C. Movement
6. Muscle cells mainly help in:
A. Movement
B. Photosynthesis
C. Water storage
7. Epithelial cells mainly function as:
A. Food producers
B. Protective covering
C. Oxygen carriers
8. If an animal cell is placed in pure water, it will:
A. Shrink
B. Stay same
C. Swell
9. Plant cells do not burst in water because of:
A. Cell wall
B. Nucleus
C. Cytoplasm
10. A cell sample on a slide must be very thin because:
A. To increase weight
B. To allow light to pass
C. To increase color
11. Staining a cell sample helps to:
A. Kill the cell
B. Increase water content
C. Improve visibility
12. Onion peel is used in experiments because it:
A. Has clear cell structure
B. Is edible only
C. Has no cells
13. Cells that perform specific jobs are called:
A. Random cells
B. Specialized cells
C. Dead cells
14. The shape of a cell is important because it:
A. Changes color
B. Stops function
C. Helps in function
15. In a salt solution, a cell shrinks because:
A. Water leaves the cell
B. Cell grows rapidly
C. Oxygen enters cell
16. Cheek cells lack:
A. Nucleus
B. Cell wall
C. Cytoplasm
17. Multicellular organisms depend on:
A. One cell type
B. Soil cells
C. Different specialized cells
18. Cell membrane maintains:
A. Internal balance
B. Soil quality
C. Flower color
19. Proper cell function depends on:
A. Soil nutrients only
B. Coordination of organelles
C. Water color
20. The cell is called the basic unit of life because it:
A. Makes soil
B. Produces sunlight
C. Performs life functions