ICSE Class 6 Biology - Cell Structure - Test 1 (Basic)
1. The basic unit of life is:
A. Cell
B. Tissue
C. Organ
2. Which of the following is true about cells?
A. Cells are non-living
B. Cells are building blocks of life
C. Cells are found only in animals
3. Cells can be seen clearly using a:
A. Telescope
B. Binoculars
C. Microscope
4. The outer covering of a cell is called:
A. Cell membrane
B. Nucleus
C. Cytoplasm
5. The rigid outer layer of plant cells is:
A. Cell membrane
B. Cell wall
C. Nucleus
6. The control center of the cell is:
A. Cytoplasm
B. Cell wall
C. Nucleus
7. The jelly-like material inside the cell is:
A. Cytoplasm
B. Cell wall
C. Nucleus
8. Which structure is found only in plant cells?
A. Nucleus
B. Cell wall
C. Cytoplasm
9. The cell membrane is also called:
A. Rigid layer
B. Thick wall
C. Selective barrier
10. Organisms made of only one cell are called:
A. Unicellular
B. Multicellular
C. Complex
11. Humans are examples of:
A. Unicellular organisms
B. Multicellular organisms
C. Non-living things
12. The living content of a cell is called:
A. Cell wall
B. Vacuole
C. Protoplasm
13. Cells combine to form:
A. Tissues
B. Atoms
C. Molecules only
14. The storage space inside a cell is called:
A. Nucleus
B. Vacuole
C. Cell wall
15. The vacuole in plant cells is usually:
A. Absent
B. Very small
C. Large
16. The cell membrane mainly helps in:
A. Protection and control
B. Making food
C. Digestion of soil
17. A microscope helps us to:
A. Cook food
B. See small cells clearly
C. Measure temperature
18. Cells in the body differ in shape because:
A. They are always same
B. They are not important
C. They perform different functions
19. The smallest unit that can perform life functions is:
A. Cell
B. Tissue
C. Organ
20. Cells are important because they:
A. Form only soil
B. Form living organisms
C. Stop growth