The Fundamental Unit of Life MCQ

The Fundamental Unit of Life MCQ – Objective Questions with answers

1. The English scientist who first observed a cell and coined the term ‘cell” was…

Robert Hooke.

2. which object did he use to observe cells?

a. Onion bulb b. Potato c. Cork d. None.

Cork cells

3. ‘Cell’ is a Latin word which means…

a. a large room b. a little room c. An old room d. None.

A little room

4. Few examples of a unicellular organism are…

Amoeba, Paramoecium, Chlamydomonas, bacteria.

5. A human cell consists of…

(name some inner constituents of the cell)

The plasma membrane, nucleus, cytoplasm, and various organelles like mitochondria, ribosomes, endoplasmic reticulum, Golgi bodies, lysosomes etc.

6. Plant cell contains…

a. Chlorophyll b. Cell wall c. Nucleus d. Plastid e. All.

All

7. A cell wall is present only in…

a. Plant cells b. Bacterial cells c. Animal cells d. a and b

d

8. A plasma membrane is a selectively-permeable membrane while a cell wall is..

a. Semi-permeable b. fully-permeable c. Selectively permeable d. Non-permeable.

Semi-permeable ( plant cell donot distinguish objects on their feature and function. They let in and out object as per their size.)

9. Carbon dioxide moves out of the cell by the process…

a. Osmosis b. Actively c. Diffusion.

Diffusion

10. Water move in and out of the cell by the process…

a. Osmosis b. Actively c. Diffusion.

Osmosis

11. In a saline solution, a cell will:

a. Swell b. Shrink c. Burst.

Shrink ( outside salt concentartion is high, so water will diffuse out. As a result cell will shrink.

12. In distilled water, a cell will…

a. Swell b. Shrink c. Burst.

Swell

13. An egg is a ….. celled structure.

a. Multi-cellelular b. Single-celled.

Single-celled structure.

14. A plasma membrane consists of:

a. Chitin b. Cellulose c. Protein and lipid. d. Fibre.

Protein and lipids.

15. Amoeba acquires his food by the process…

a. Exocytocis b. Ingestion c. Endocytosis

Endocytosis/phagocytosis

The Fundamental Unit of Life MCQ

16. A plant cell wall is mainly composed of …

a. Lipd b. Cellulose c. Fibre. d. Chitin.

Cellulose
.

17. ….. is the shrinkage of a cell in water.

a. Plasmolysis b. Karyokinesis c. Meiosis.

Plasmolysis

18. Genetic material inside a cell is confined to …

  • a. Between cell wall and cell membrane.
  • b. Nucleus.
  • c. Cytoplasm.
Nucleus

12. Examples of double-membraned organelles are..

a. Nucleus b. Mitochondria c. Plastid d. All

Nucleus, mitochondria, plastids, all three are double membrane bound

13. A cell with a well-defined nucleus is…

a. Prokaryote b. Eukaryote.

Eukaryote

14. A cell with a poorly defined nucleus is…

a. Prokaryote b. Eukaryote.

Prokaryote.

15. Animals, plants and amoeba are prokaryote or eukaryote?

a. Prokaryote b. Eukaryote.

Eukaryote.

16. Examples of prokaryotes are…

a. Bacteria b. Fungi c. Virus d. Plants.

Bacteria.

17. Protoplasm = Cell – (Cell wall + ……)

a. Plasma mebrane b. Cytoplasm c. Organelles d. Plastids.

Plasma membrane.

18. Cytoplasm = Protoplasm – ……

a. Plasma mebrane b. Cytoplasm c. Organelles d. Nucleus.

Nucleus.

19. Organelles in eukaryotic cells are membrane-bound or without membrane.

Membrane-bound.

20. Organelles in a ……. cell  are not membrane-bound

a. Prokaryotic cell b. Virus c. Animal d. a and b.

d.Prokaryotic and virus.

21. Identify the marked subjects in the image.

The Fundamental Unit of Life MCQ

A. Food B. Pseudopodia C. Food vacuole

22. The above process of food intake by amoeba is…

Endocytosis/phagocytosis.

23. The network of the tube-like structure in a cell is…

a. Golgi body b. Endoplasmic reticulum c. Mitochondria d. Chloroplast.

b.Endoplasmic reticulum.

24. We say Rough Endoplasmic Reticulum as rough because ……. are attached to it.

a. smooth endoplasmic reticulum b. Mitochindria c. Ribosome d. Nucleus.

Ribosomes.

25. SER stands for…

Smooth Endoplasmic Reticulum

24. RER does protein synthesis while SER does…

a. ATP b. Lipid c. Catbohydrate d. ADP.

b. Lipid synthesis.

25. Other functions of endoplasmic reticulum are:

a. Protein transport (RER) b. Detoxification in liver cells (SER) c. Glucose synthesis d. a and b.

d. a and b.

RER: Protein transport

SER: Detoxification (in liver cells)

26. Membrane-bound flattened sacs (vesicles) arranged parallelly in a cell are…

a. ER b. Nucleus c. Lysosome d. Golgi body.

d. Golgi body.

27. Storing, packaging and modification of newly formed protein occur in:

a. ER b. Nucleus c. Lysosome d. Golgi body. 

Golgi bodies.

28. With the help of enzymes from RER, Golgi bodies also form…

a. Vacuoles b. Lysosomes c. Mitochondria d. None.

b

29. Lysosomes are membrane-bound sacs filled with

a. Toxic wastes b. Digestive enzymes c. Immune cells d. Glucose.

b.Digestive enzymes.

30. Suicidal bags of cell are…

a. Vacuoles b. Lysosomes c. Mitochondria d. None.

b. Lysosomes.

Class 9 Science Chapter 5 MCQ

31. Lysosomes help in the …….  of the food.

a. Ingestion b. Digestion c. Elimination d. None

b.. Digestion.

32. The powerhouse of a cell is:

a. Mitochondria b. Plastid c. Nucleus d. Glucose.

a.Mitochondria

33. Which part of mitochondrial membrane form ATP?

a. Outer membrane b. Inner mebrane c. Middle menbrane d. None.

b. Inner membrane.

34. Colorful organelles in plant cells are called:

a. Chloroplast b. Plastid c. Chromoplast d. Leucoplast.

c. Chromoplast

35. Green chromoplast of a plant cell is…

a. Chloroplast b. Plastid c. Chromoplast d. Leucoplast.

a. Chloroplast

36. Leucoplast is a storing organelle for

a. Protein b. Fats c. Starch d. All

d. All.

37. ………… is a membranous layer present in the chloroplast.

Stroma.

38. Storage sac in plant and animal cell is…

a. Chloroplast b. Plastid c. Vacuole d. Mitochondria

c. Vacuole

39. Vacuole in animals is small while in a plant it is…

a. Absent b. Negligible c. Big d. None.

c.Big

40. The function of the vacuole in plants is…

a. Digestion b. Antibody production c. Provides rigidity and turgidity to plant d. None.

c. Provides rigidity and turgidity to plant

41. Two types of cell division are 

Mitosis and meiosis

42. Mitosis produces two identical cells, while meiosis produces ……… unidentical cells.

a.1 b.2 c.3 d.4

d.Four.

Next: The Fundamental Unit of Life In-text & exercise question solution.

The Fundamental Unit of Life Activity Explanation.

See also:

 

 

Ref: Class 9 Science chapter 5.

18 thoughts on “The Fundamental Unit of Life MCQ”

  1. It is very helpful …But try to provide more outside MCQs without answers ..so that we will be blessed with more knowledge

    Reply
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