ICSE Class 6 Biology - Cell Structure - Test 5 (Comprehensive)
1. Cells were first discovered by:
A. Robert Hooke
B. Charles Darwin
C. Isaac Newton
2. The unit used to measure cells is:
A. Centimetre
B. Micrometre
C. Kilometre
3. Amoeba is an example of:
A. Multicellular organism
B. Tissue
C. Unicellular organism
4. A multicellular organism is made of:
A. Many cells
B. One cell
C. No cells
5. Which of the following is unicellular?
A. Human
B. Bacteria
C. Mango tree
6. The shape of a cell mainly depends on:
A. Colour of organism
B. Soil type
C. Function it performs
7. Red blood cells are adapted to:
A. Carry oxygen
B. Store water
C. Make food
8. White blood cells help in:
A. Digestion
B. Defence
C. Photosynthesis
9. Platelets are important for:
A. Oxygen transport
B. Food transport
C. Blood clotting
10. Movement of oxygen into cells happens by:
A. Diffusion
B. Digestion
C. Photosynthesis
11. Movement of water through a cell membrane is called:
A. Respiration
B. Osmosis
C. Evaporation
12. Active transport requires:
A. Light only
B. No energy
C. Energy
13. Cell balance is maintained by:
A. Cell membrane
B. Cell wall only
C. Soil particles
14. Cell theory states that:
A. Cells are non-living
B. All organisms are made of cells
C. Only animals have cells
15. Cell division mainly helps in:
A. Digestion
B. Respiration
C. Growth
16. Cells require nutrients for:
A. Energy
B. Colour change
C. Shape only
17. A group of similar cells is called:
A. Organ
B. Tissue
C. System
18. The smallest unit of life is:
A. Organ
B. Tissue
C. Cell
19. Cells are important because they:
A. Perform life functions
B. Make soil
C. Produce rocks
20. Life of an organism depends on:
A. Water color
B. Cells
C. Soil type