30 Best MCQ on the Fundamental Unit of Life

Test your knowledge with this MCQ on the Fundamental Unit of Life ! How well do you know the building blocks of living organisms? .

MCQ on the Fundamental Unit of Life

1. What is the basic structural and functional unit of life?

a) Molecule

b) Atom

c) Cell

d) Organ

Answer: c) Cell

2. Who discovered the cell?

a) Albert Einstein

b) Robert Hooke

c) Louis Pasteur

d) Isaac Newton

Answer: b) Robert Hooke

3. Which type of cells lack a well-defined nucleus?

a) Prokaryotic cells

b) Eukaryotic cells

c) Animal cells

d) Plant cells

Answer: a) Prokaryotic cells

4. Which organelle is known as the powerhouse of the cell?

a) Golgi apparatus

b) Lysosomes

c) Mitochondria

d) Nucleus

Answer: c) Mitochondria

5. What is the function of lysosomes in a cell?

a) Protein synthesis

b) Energy production

c) Digestion of cell waste

d) Photosynthesis

Answer: c) Digestion of cell waste

6. Which solution contains a higher concentration of solute compared to the surrounding fluid?

a) Isotonic solution

b) Hypotonic solution

c) Hypertonic solution

d) Neutral solution

Answer: c) Hypertonic solution

7. Which organelle is responsible for protein synthesis?

a) Golgi apparatus

b) Rough endoplasmic reticulum

c) Smooth endoplasmic reticulum

d) Lysosomes

Answer: b) Rough endoplasmic reticulum

8. What is the function of the cell membrane?

a) Provides structural support to the cell

b) Controls the movement of substances in and out of the cell

c) Stores genetic material

d) Produces energy

Answer: b) Controls the movement of substances in and out of the cell

9. Which type of cells contain chloroplasts?

a) Animal cells

b) Prokaryotic cells

c) Eukaryotic cells

d) Fungal cells

Answer: c) Eukaryotic cells

10. What is the fluid found inside the cell called?

a) Plasma

b) Cytoplasm

c) Nucleoplasm

d) Interstitial fluid

Answer: b) Cytoplasm

11. Which organelle is responsible for packaging and transporting proteins across the cell?

a) Mitochondria

b) Golgi apparatus

c) Endoplasmic reticulum

d) Lysosomes

Answer: b) Golgi apparatus

12. What is the function of the cell wall in plant cells?

a) Helps in cell division

b) Provides structural support

c) Stores genetic material

d) Controls the movement of substances

Answer: b) Provides structural support

13. Which process involves the movement of molecules from a region of high concentration to a region of low concentration?

a) Active transport

b) Osmosis

c) Diffusion

d) Endocytosis

Answer: c) Diffusion

14. What is the genetic material present in the nucleus of the cell called?

a) Chromosomes

b) Chromatin

c) DNA

d) RNA

Answer: a) Chromosomes

15. Which organelle is known as the suicide bag of the cell?

a) Golgi apparatus

b) Mitochondria

c) Lysosomes

d) Endoplasmic reticulum

Answer: c) Lysosomes

16. Which type of cells contain a well-defined nucleus?

a) Prokaryotic cells

b) Eukaryotic cells

c) Plant cells

d) Animal cells

Answer: b) Eukaryotic cells

17. What is the process by which food releases energy in the mitochondria called?

a) Photosynthesis

b) Cellular respiration

c) Digestion

d) Fermentation

Answer: b) Cellular respiration

18. Which organelle is responsible for detoxifying poisonous molecules in the cell?

a) Golgi apparatus

b) Lysosomes

c) Smooth endoplasmic reticulum

d) Rough endoplasmic reticulum

Answer: c) Smooth endoplasmic reticulum

19. What is the fluid mosaic model used to describe?

a) Structure of chromatin

b) Structure of the cell membrane

c) Organization of the Golgi apparatus

d) Function of lysosomes

Answer: b) Structure of the cell membrane

20. What is the role of vacuoles in plant cells?

a) Energy production

b) Protein synthesis

c) Storage of water and nutrients

d) Digestion of waste

Answer: c) Storage of water and nutrients

21. Which process involves the invagination of the cell membrane, followed by pinching off to form a membrane-bound vesicle?

a) Endocytosis

b) Exocytosis

c) Osmosis

d) Diffusion

Answer: a) Endocytosis

22. Which type of solution has the same solute concentration as the surrounding body fluid or cytoplasm?

a) Hypotonic

b) Hypertonic

c) Isotonic

d) Neutral

Answer: c) Isotonic

23. What is the function of chromatin in the nucleus of a cell?

a) Digestion of waste

b) Energy production

c) Storage of genetic information

d) Protein synthesis

Answer: c) Storage of genetic information

24. Which organelle is responsible for synthesizing proteins in the cell?

a) Golgi apparatus

b) Endoplasmic reticulum

c) Mitochondria

d) Lysosomes

Answer: b) Endoplasmic reticulum

25. Which organelle contains enzymes that can digest cellular waste and foreign substances?

a) Mitochondria

b) Lysosomes

c) Golgi apparatus

d) Nucleus

Answer: b) Lysosomes

26. What is the fluid-filled sac found in plant cells that stores water and provides structural support called?

a) Lysosome

b) Golgi apparatus

c) Vacuole

d) Chloroplast

Answer: c) Vacuole

27. Which type of cells contain plastids such as chloroplasts?

a) Animal cells

b) Prokaryotic cells

c) Eukaryotic cells

d) Fungal cells

Answer: c) Eukaryotic cells

28. Which organelle is responsible for generating ATP via the electron transport chain?

a) Lysosomes

b) Golgi apparatus

c) Mitochondria

d) Endoplasmic reticulum

Answer: c) Mitochondria

29. What is the outer covering of a cell made up of a phospholipid bilayer membrane called?

a) Cell wall

b) Cytoplasm

c) Nucleus

d) Cell membrane

Answer: d) Cell membrane

30. What type of molecules move across the cell membrane by the process of diffusion?

a) Water

b) Oxygen

c) Glucose

d) All of the above

Answer: d) All of the ab

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