1. The basic structural and functional unit of life is:
A. Tissue
B. Organ
C. Cell
D. Organism

2. The cell was first discovered by:
A. Robert Hooke
B. Isaac Newton
C. Albert Einstein
D. Charles Darwin

3. Cells were first observed in:
A. Water
B. Leaf
C. Cork
D. Blood

4. The scientist who first observed living cells was:
A. Robert Hooke
B. Antonie van Leeuwenhoek
C. Louis Pasteur
D. Gregor Mendel

5. An organism made of only one cell is called:
A. Multicellular
B. Unicellular
C. Cellular
D. Tissue

6. Example of a unicellular organism:
A. Human
B. Plant
C. Amoeba
D. Dog

7. An organism made of many cells is called:
A. Unicellular
B. Multicellular
C. Cellular
D. Simple organism

8. Example of a multicellular organism:
A. Amoeba
B. Bacteria
C. Human
D. Paramecium

9. Cells can be seen with the help of a:
A. Telescope
B. Microscope
C. Magnifying glass
D. Periscope

10. Which part forms the boundary of the cell?
A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Vacuole

11. The cell membrane is:
A. Fully permeable
B. Semi-permeable
C. Impermeable
D. Hard

12. The jelly-like substance inside the cell is called:
A. Cytoplasm
B. Nucleus
C. Vacuole
D. Cell wall

13. Most cell activities occur in the:
A. Cell membrane
B. Cytoplasm
C. Nucleus
D. Cell wall

14. The control center of the cell is the:
A. Cytoplasm
B. Cell wall
C. Nucleus
D. Vacuole

15. The nucleus contains:
A. Food
B. Water
C. Genetic material
D. Air

16. The outer rigid layer present in plant cells is called:
A. Cell membrane
B. Cell wall
C. Cytoplasm
D. Vacuole

17. The cell wall provides:
A. Protection
B. Strength
C. Support
D. All of these

18. The large storage sac in plant cells is called:
A. Cytoplasm
B. Vacuole
C. Nucleus
D. Chloroplast

19. Chloroplasts are present in:
A. Animal cells
B. Plant cells
C. Both
D. None

20. Chloroplasts contain:
A. Chlorophyll
B. Oxygen
C. Carbon dioxide
D. Nitrogen