Cell Structure and Functions MCQs Class 8
Cell Structure and Functions MCQs Class 8
Class: CBSE Class 8
Subject: Science
Section: Section 8 – Cell: Structure and Functions
Topic: Cell Structure and Functions MCQs
Board: CBSE Board Examinations
Subject: Science
Section: Section 8 – Cell: Structure and Functions
Topic: Cell Structure and Functions MCQs
Board: CBSE Board Examinations
1. The basic unit of life is:
Answer: c) Cell
Cells are the smallest structural and functional units capable of carrying out life processes.
Cells are the smallest structural and functional units capable of carrying out life processes.
2. Who discovered cells?
Answer: a) Robert Hooke
He observed cork cells in 1665 using a microscope.
He observed cork cells in 1665 using a microscope.
3. Control center of the cell is:
Answer: b) Nucleus
Nucleus regulates activities and stores genetic material.
Nucleus regulates activities and stores genetic material.
4. Jelly‑like substance inside cell:
Answer: b) Cytoplasm
Organelles are suspended in cytoplasm.
Organelles are suspended in cytoplasm.
5. Plant cells have additional structure called:
Answer: a) Cell wall
It provides rigidity and protection.
It provides rigidity and protection.
6. Cell membrane is:
Answer: c) Selectively permeable
It controls entry and exit of substances.
It controls entry and exit of substances.
7. Green pigment in plant cells:
Answer: a) Chloroplast
Contains chlorophyll for photosynthesis.
Contains chlorophyll for photosynthesis.
8. Powerhouse of cell:
Answer: b) Mitochondria
Produces energy via respiration.
Produces energy via respiration.
9. Large vacuole is present in:
Answer: b) Plant cell
Maintains turgidity.
Maintains turgidity.
10. Smallest cell is:
Answer: b) Bacteria
They are microscopic prokaryotic cells.
They are microscopic prokaryotic cells.
11. Longest cell:
Answer: a) Nerve cell
It transmits impulses.
It transmits impulses.
12. Shape of RBC:
Answer: c) Biconcave
Increases surface area for oxygen transport.
Increases surface area for oxygen transport.
13. Protoplasm includes:
Answer: c) Nucleus + Cytoplasm
It is living cell content.
It is living cell content.
14. Organelle for protein synthesis:
Answer: a) Ribosome
Called protein factories.
Called protein factories.
15. Cell wall is made of:
Answer: b) Cellulose
Provides rigidity.
Provides rigidity.
16. Animal cells lack:
Answer: c) Cell wall
Hence flexible shape.
Hence flexible shape.
17. Plastids are found in:
Answer: b) Plants
Includes chloroplasts.
Includes chloroplasts.
18. Unicellular organism:
Answer: a) Amoeba
Single‑celled organism.
Single‑celled organism.
19. Multicellular organisms have:
Answer: b) Many cells
Cells form tissues and organs.
Cells form tissues and organs.
20. Study of cells is called:
Answer: a) Cytology
It deals with cell structure and function.
It deals with cell structure and function.
