Looking for authentic SEBA Class 9 Science Chapter 5 (The Fundamental Unit of Life) MCQ solutions for the 2026–27 academic year? Access complete multiple-choice questions with correct options, detailed explanations, cell organelles functions, plant vs animal cell objective notes, and osmosis concepts to score top marks in your annual exams.
MCQ
Section A: Discovery & Cell Theory
1. Who discovered the cell for the first time?
a) Leeuwenhoek
b) Robert Hooke
c) Schleiden
d) Schwann
Ans. b) Robert Hooke
2. What material was Robert Hooke observing when he discovered cells?
a) Onion peel
b) Cork
c) Bacteria
d) Pond water
Ans. b) Cork
3. Who observed free-living cells in pond water for the first time?
a) Robert Brown
b) Leeuwenhoek
c) Virchow
d) Hooke
Ans. b) Leeuwenhoek
4. Who proposed that “All cells come from pre-existing cells”?
a) Schleiden
b) Schwann
c) Virchow
d) Robert Brown
Ans. c) Virchow
5. The classical Cell Theory stating that all plants and animals are composed of cells was presented by:
a) Hooke
b) Virchow
c) Schleiden & Schwann
d) Leeuwenhoek
Ans. c) Schleiden & Schwann
6. Who discovered the nucleus in the cell?
a) Robert Brown
b) Purkinje
c) Schwann
d) Hooke
Ans. a) Robert Brown
7. J. E. Purkinje coined which of the following terms?
a) Nucleus
b) Chromosome
c) Protoplasm
d) Ribosome
Ans. c) Protoplasm
8. The term “cell” is derived from a Latin word meaning:
a) Life
b) Small room
c) Container
d) Nucleus
Ans. b) Small room
9. Which of the following is a unicellular organism?
a) Humans
b) Plants
c) Amoeba
d) Fungi
Ans. c) Amoeba
10. Which of the following is a multicellular organism?
a) Bacteria
b) Chlamydomonas
c) Paramecium
d) Human
Ans. d) Human
SEBA Class 9 Science Chapter 5 MCQ Solutions
11. Prokaryotic cells are characteristically missing which feature?
a) Cytoplasm
b) True nucleus
c) DNA
d) Cell wall
Ans. b) True nucleus
12. The genetic material (DNA) of a prokaryotic cell is concentrated in the:
a) Nucleolus
b) Nucleoid
c) Chromoplast
d) Vacuole
Ans. b) Nucleoid
13. A fundamental characteristic of Eukaryotic cells is that they have:
a) No cytoplasm
b) No membrane-bound organelles
c) A true, membrane-bound nucleus
d) No DNA
Ans. c) A true, membrane-bound nucleus
14. In photosynthetic prokaryotes, chlorophyll is located inside:
a) Chloroplasts
b) Chromosomes
c) Membranous vesicles
d) Vacuoles
Ans. c) Membranous vesicles
15. Which of the following is an example of a prokaryote?
a) Amoeba
b) Bacteria
c) Yeast
d) Algae
Ans. b) Bacteria
16. Which of the following is an example of a eukaryote?
a) Virus
b) Bacteria
c) Blue-green algae
d) Plant cell
Ans. d) Plant cell
17. The plasma membrane is classified as:
a) Fully permeable
b) Impermeable
c) Selectively permeable
d) Non-living
Ans. c) Selectively permeable
18. The passive movement of molecules from a region of higher concentration to lower concentration is known as:
a) Osmosis
b) Diffusion
c) Active transport
d) Endocytosis
Ans. b) Diffusion
19. Osmosis specifically refers to the transport of:
a) Gas
b) Food
c) Water
d) Proteins
Ans. c) Water
20. When placed in a hypotonic solution, a plant or animal cell will:
a) Shrink
b) Swell
c) Remain the same size
d) Instantly burst
Ans. b) Swell
Class 9 Science Chapter 5 MCQ Question Answer SEBA 2026-27
21. In a hypertonic solution, net water movement occurs:
a) Into the cell
b) Out of the cell
c) Both ways equally
d) Not at all
Ans. b) Out of the cell
22. Chemically, the plasma membrane is primarily composed of:
a) DNA & protein
b) Lipids & proteins
c) Sugar & water
d) RNA & lipids
Ans. b) Lipids & proteins
23. Which cellular transport mechanism directly requires energy in the form of ATP?
a) Osmosis
b) Diffusion
c) Active transport
d) Passive transport
Ans. c) Active transport
24. Endocytosis is defined as the process by which a cell:
a) Removes metabolic waste
b) Shrinks due to water loss
c) Engulfs external food or materials
d) Undergoes division
Ans. c) Engulfs external food or materials
25. Plant roots absorb water from soil primarily through:
a) Diffusion
b) Osmosis
c) Active transport
d) Respiration
Ans. b) Osmosis
26. A cell shrinks in:
a) Hypotonic solution
b) Hypertonic solution
c) Distilled water
d) Tap water
Ans. b) Hypertonic solution
27. Plasma membrane separates:
a) Nucleus & cytoplasm
b) Cytoplasm & environment
c) ER & Golgi
d) Plastids & mitochondria
Ans. b) Cytoplasm & environment
28. Genetic material of cell is:
a) Protein
b) DNA
c) RNA
d) Lipid
Ans. b) DNA
29. Chromosomes are made of:
a) RNA
b) DNA + protein
c) Carbohydrate
d) Lipid
Ans. b) DNA + protein
30. Genes are:
a) Pigments
b) Storage bodies
c) Units of inheritance
d) Waste products
Ans. c) Units of inheritance
The Fundamental Unit of Life Class 9 SEBA MCQ Notes
31. Nuclear membrane is:
a) Absent in eukaryotes
b) Present in eukaryotes
c) Absent in plants
d) Absent in animals
Ans. b) Present in eukaryotes
32. Chromatin becomes chromosomes during:
a) Respiration
b) Cell division
c) Photosynthesis
d) Excretion
Ans. b) Cell division
33. Nucleus controls:
a) Only reproduction
b) Only digestion
c) All activities of the cell
d) Only respiration
Ans. c) All activities of the cell
34. Nucleus controls:
a) Only reproduction
b) Only digestion
c) All activities of the cell
d) Only respiration
Ans. c) All activities of the cell
35. RER has:
a) Ribosomes
b) DNA
c) Chlorophyll
d) Lysosomes
Ans. a) Ribosomes
36. RER makes:
a) Lipids
b) Proteins
c) Starch
d) Sugar
Ans. b) Proteins
37. SER makes:
a) Proteins
b) Lipids
c) DNA
d) Ribosomes
Ans. b) Lipids
38. Golgi apparatus packages:
a) Ribosomes
b) Proteins & lipids
c) DNA only
d) Mitochondria
Ans. b) Proteins & lipids
39. Which organelle forms lysosomes?
a) Nucleus
b) Golgi apparatus
c) SER
d) Ribosome
Ans. b) Golgi apparatus
40. Which organelle is the “powerhouse of the cell”?
a) Golgi
b) Lysosome
c) Mitochondria
d) Ribosome
Ans. c) Mitochondria
SEBA Class 9 Science Chapter 5 Multiple Choice Questions
41. Mitochondria produce:
a) DNA
b) ATP
c) RNA
d) Water
Ans. b) ATP
42. Which organelle has its own DNA?
a) Ribosome
b) Lysosome
c) Mitochondria
d) Vacuole
Ans. c) Mitochondria
43. Plastid found in green parts of plants:
a) Leucoplast
b) Chromoplast
c) Chloroplast
d) Ribosome
Ans. c) Chloroplast
44. Chloroplast helps in:
a) Digestion
b) Storage of starch
c) Photosynthesis
d) Respiration
Ans. c) Photosynthesis
45. Vacuoles in plant cells are:
a) Small
b) Very large
c) Absent
d) Many small ones
Ans. b) Very large
46. Food vacuole is found in:
a) Plant cell
b) Animal cell
c) Amoeba
d) Virus
Ans. c) Amoeba
47. Lysosomes are called suicide bags because:
a) They store energy
b) They burst and digest cell
c) They store water
d) They make proteins
Ans. b) They burst and digest cell
48. Cell wall is present in:
a) Animal cell only
b) Plant cell only
c) Both
d) None
Ans. b) Plant cell only
49. Plant cells have ___________ which animals do not.
a) Ribosomes
b) Mitochondria
c) Plastids
d) Cytoplasm
Ans. c) Plastids
Class 9 Science Cell Structure Objective Questions
50. Mitosis produces:
a) 2 identical cells
b) 4 cells with half chromosomes
c) Gametes
d) No new cells
Ans. a) 2 identical cells
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