Well structured WBBSE Class 9 Life Science MCQ Questions Chapter 2.2 Cell can serve as a valuable review tool before exams.
Cell Class 9 WBBSE MCQ Questions
Multiple Choice Questions & Answers
Question 1.
Concept of a cell was first proposed by -……………………..
A. Gearge Bentham
B. Robert Hook
C. Linnaeus
D. Leeuwenhoek
Answer:
B. Robert Hook
Question 2.
Protoplasm of a prokaryotic cell has cytoplasm and a- ……………..
A. Nucleus
B. Nucleolus
C. Nucleoid
D. Nucellus
Answer:
C. Nucleoid
Question 3.
Which two are essential parts of a living cell?
A. Nucleus and protoplasm
B. Nucleus and cytoplasm
C. Cell membrane and nucleus
D. Cell membrane and protoplasm
Answer:
D. Cell membrane and protoplasm
Question 4.
Cell membrane is- ……………..
A. Absent in prokaryotic cells
B. Present in eukaryotic cells
C. Present in some prokaryotic cells and all eukaryotic cells
D. Present in all types of cells
Answer:
D. Present in all types of cells
Question 5.
Selectively permeable nature of cell membrane allows the entry of through it.
A. All types of solutions
B. All types of solvents
C. Some solutes without solvents
D. Some solutes with solvents
Answer:
B. All types of solvents
Question 6.
Main structural components of cell membrane are- ……………..
A. Proteins and lipids
B. Proteins and carbohydrates
C. Lipids and carbohydrates
D. Cellulose and lignin
Answer:
A. Proteins and lipids
Question 7.
Which of the cellular function does not involve cell membrane?
A. Cellular secretion
B. Cellular respiration
C. Cell drinking
D. Cell eating
Answer:
B. Cellular respiration
Question 8.
Which type of protein does remain submerged within the lipid bi-laye of a cell membrane?
A. External protein
B. Internal protein
C. Extrinsic protein
D. Intrinsic protein
Answer:
D. Intrinsic protein
Question 9.
A prokaryotic cell is devoid of-……………..
A. Cell membrane
B. DNA
C. True nucleus
C. RNA
Answer:
C. True nucleus
Question 10.
You will find cell wall in a-……………..
A. Blood cell
B. Bacterial cell
C. Bone cell
D. Muscle cell
Answer:
B. Bacterial cell
Question 11.
Basic structural component of cell wall in a photosynthetic plant is -……………..
A. Pectin and protein
B. Lignin and protein
C. Cellulose and pectin
D. Hemi-cellulose and lipid
Answer:
C. Cellulose and pectin
Question 12.
Bacterial cell wall is composed of-……………..
A. Proteins and carbohydrates
B. Amino acids and carbohydrates
C. Proteins and lipids
D. Phospholipids and amino acids
Answer:
B. Amino acids and carbohydrates
Question 13.
According to ‘Fluid Mosaic Model’, which of the statements is best fitted?
A. Phospholipid molecules remain suspended in the protein bi-layer
B. Protein molecules remain suspended in the fluid lipid bi-layer
C. Carbohydrate chains remain attached to the protein molecules
D. Protein molecules remain fixed to the fluid lipid molecules
Answer:
B. Protein molecules remain suspended in the fluid lipid bi-layer
Question 14.
Primary cell wall is present-……………..
A. Just above cell membrane
B. Beyond secondary cell wall
C. Below secondary cell wall
D. Below cell membrane
Answer:
B. Beyond secondary cell wall
Question 15.
Cell organelles remain suspended in-……………..
A. Cell sap
B. Cytoplasm
C. Protoplasm
D. Nuclear sap
Answer:
B. Cytoplasm
Question 16.
Which cellular material helps in locomotion of Amoeba?
A. Cytoplasm
B. Flagella
C. Cilia
C. All of these
Answer:
A. Cytoplasm
Question 17.
Intracellular distribution of molecules depends upon the flow of-……………..
A. Nucleoplasm
B. Cell sap
C. Cytoplasm
D. Nucleoplasm and cytoplasm
Answer:
C. Cytoplasm
Question 18.
In human, which cell does not divide?
A. Matured RBC
B. Matured neuron
C. Matured muscle cell
D. Sieve tube
Answer:
B. Matured neuron
Question 19.
Mitochondria is absent in-……………..
A. RBC of mammals
B. Nerve cells
C. Muscle cells
D. All of these
Answer:
A. RBC of mammals
Question 20.
Nucleus is popularly known as-……………..
A. Brain of a cell
B. Brain of the tissues
C. Heart of a cell
D. Male gametes
Answer:
A. Brain of a cell
Question 21.
Nucleolus is the denser part of a nucleus, which is rich in-……………..
A. DNA
B. RNA
C. Protein
D. Both A and B.
Answer:
B. RNA
Question 22.
Overall activity of a living cell is controlled by-……………..
A. Mitochondrion
B. Plastid
C. Cytoplasm
D. Nucleus
Answer:
D. Nucleus
Question 23.
The cell organelles which have their own DNA are-……………..
A. Nucleus and Golgi body
B. Golgi body and mitochondrion
C. Mitochondrion and chloroplastid
D. Chloroplastid and nucleus
Answer:
C. Mitochondrion and chloroplastid
Question 24.
Cristae of mitochondria are projected-……………..
A. Towards outer chamber
B. Towards inner chamber
C. Beyond outer surface
D. None of these
Answer:
B. Towards inner chamber
Question 25.
The cell organelle involved in the production of ATP is-……………..
A. Nucleus
B. Mitochondrion
C. Plastid
D. Golgi body
Answer:
B. Mitochondrion
Question 26.
Apart from nucleus, two other cell organelles with double membrane are-……………..
A. Mitochondrion and Golgi body
B. Plastid and Golgi body
C. Golgi body and endoplasmic reticulum
D. Mitochondria and plastid
Answer:
D. Mitochondria and plastid
Question 27.
Which of the following cell organelles have single membrane?
A. Plastids and Golgi bodies
B. Mitochondria and Golgi bodies
C. Mitochondria and plastids
D. Golgi bodies and lysosomes
Answer:
D. Golgi bodies and lysosomes
Question 28.
Two semi-independent cell organelles are-……………..
A. Mitochondrion and chloroplastid
B. Plastid and Golgi body
C. Golgi body and endoplasmic reticulum
D. Mitochondrion and Golgi body
Answer:
A. Mitochondrion and chloroplastid
Question 29.
Chlorophyll molecules remain stored in-……………..
A. Thylakoids
B. Inner chamber of chloroplastids
C. Stroma
D. Outer chamber of chloroplastids
Answer:
A. Thylakoids
Question 30.
Reactions of photosynthesis occur in the-……………..
A. Stroma of chloroplastids
B. Grana of chloroplastids
C. Both A. and B.
D. None of these
Answer:
C. Both A. and B.
Question 31.
ATP molecules are stored in the of mitochondria.
A. Outer surface
B. Membranes
C. Outer chamber
D. Matrix
Answer:
D. Matrix
Question 32.
Who invented Electron microscope?
A. Robertson
B. Palade
C. Knoll and Ruska
D. Leeuwenhoek
Answer:
C. Knoll and Ruska
Question 33.
The minute cell organelles, which remain attached to rough endoplasmic reticulum is-……………..
A. Small Golgi vesicles
B. Lysosomes
C. Ribosomes
D. Large Golgi vesicles
Answer:
C. Ribosomes
Question 34.
Ribosomes remain within or in contact of-……………..
A. Nucleus, Golgi bodies and ER
B. Nucleus, cytoplasm, RER, chloroplast and mitochondrion
C. Nucleus and cytoplasm
D. Nucleus, cytoplasm and RER
Answer:
B. Nucleus, cytoplasm, RER, chloroplast and mitochondrion
Question 35.
The largest unicellular plant is -……………..
A. Spirogyra
B. Mucor
C. Acetabularia
D. Volvox
Answer:
C. Acetabularia
Question 36.
The cell organelle, which divides cytoplasm in a number of intracellular compartments is-……………..
A. Endoplasmic reticulum
B. Mitochondrion
C. Middle lamella
D. Golgi cisternae
Answer:
A. Endoplasmic reticulum
Question 37.
The cell organelle involved in the formation of flagella is -……………..
A. Centrosome
B. Lysosome
C. Ribosome
D. Nucleus
Answer:
A. Centrosome
Question 38.
70s ribosomes are seen in the cytoplasm of-……………..
A. White Blood cells
B. Neurons
C. Muscle cell
D. Bacterial cell
Answer:
D. Bacterial cell
Question 39.
The cell organelle, which is called the ‘protein factory of the cell’ is -…………………
A. Plastid
B. Golgi body
C. Nucleus
D. Ribosome
Answer:
D. Ribosome
Question 40.
The organisms which do not possess cytoplasm, are called-…………………
A. Prokaryotes
B. Mesokaryotes
C. Eukaryotes
D. None of these
Answer:
D. None of these
Question 41.
In prokaryotic cell, the function of mitochondria is replaced by-…………………
A. Polysome
B. Ribosome
C. Mesosome
D. Informosome
Answer:
C. Mesosome
Question 42.
The ‘Cell Theory’ was proposed by-…………………
A. Huxley
B. Schwann and Schleiden
C. Rudolf Virchow
D. Robert Hook
Answer:
B. Schwann and Schleiden
Question 43.
The letter ‘S’ of 80S ribosome indicates- …………………
A. Standard
B. Size
C. Sedimentation coefficient
D. All of these
Answer:
C. Sedimentation coefficient
Question 44.
Synthesis of proteins within a cell involves- …………………
A. Lysosome
B. Golgi body
C. Ribosome
D. Centrosome
Answer:
C. Ribosome
Fill in the blanks:
1. The 70S type of ribosome is found in a ……………. type of cell.
2. Oxysome is also known as ……………. particle.
3. ……………. is the cell organelle that helps in the formation of acrosome of a spermatozoa.
4. Total number of microtubule triplet in each centriole is …………….
5. Lysosome with undigested food materials is also named as …………..
6. Colourless, immature plastids are known as …………..
7. The term ………….. is used for a multinucleated animal cell.
8. An ………….. is the biggest cell in human body.
9. Middle lamella of cell-wall is formed from during cell division.
10. …………. is the cytoplasm with yolk and fat as stored material for nutrition.
11. Discs of thylakoids are stacked into a …………………
12. Mitochondrion and plastid are two semi-independent cell organelles as they have their own ……………….
Answer:
1. Prokaryotic
2. F0 – F1
3. Golgi body
4. 9/Nine
5. Residual body
6. Proplastids
7. Syncvtium
8. Egg! Ovum
9. Cell plate
10. Trophoplasm
11. Granum
12. DNA
State True or False
1. Both micronucleus and macronucleus can be seen in a Paramoecium cell. — True
2. Plasmodesmata are present in an animal cell. — False
3. A ribosome has two subunits of Parson. — False
4. Aleuroplast is a type of leucoplast which stores proteins. — True
5. Anthocyanin and betacyanin are two fat soluble pigments. —
6. 55S type of ribosomes are found in mitochondria. — True
7. Perinuciear space is the space between the two units of nuclear membrane. — True
8. Spherosome is also known as ‘Plant lysosome.’ — True
9. We can observe the presence of mucopeptide in plant cell wall. — False
10. Chromosomes are only visible in the dividing cells. — True
11. Extrinsic proteins are also called as Tunnel proteins. — False
12. Peridinium is an example of mesokaryotic organism. — True
13. Fernandez-Moran sub-unit is the other name of oxysome. — True
Match the columns
| Left column | Right column |
| 1. Ceil Wall | A. Robertson |
| 2. Cell membrane | B. Robert Brown |
| 3. Nucleus | C. Benda |
| 4. Ribosome | D. Robert Hook |
| E. George Palade |
Answer:
1 – D; 2 – A; 3 – B; 4 – E
| Left column | Right column |
| 1. Pinocytosis | A. Ribosome |
| 2. Krebs cycle | B. Chloroplastid |
| 3. Protein synthesis | C. Pinosome |
| 4. Photosynthesis | D. Cell wall |
| E. Mitochondrion |
Answer:
1-C; 2-E; 3-A; 4-B
| Left column | Right column |
| 1. Fibrous protein | A. Ribosome |
| 2. Glycocalyx | B. Cell membrane |
| 3. Homopolysaccharide | C. Collagen |
| 4. Stored Food | D. Starch |
| E. Elaiopiast |
Answer:
1-C; 2-B: 3-D; 4-E
| Left column | Right column |
| 1. Basic protein | A. Histone and DNA |
| 2. Cell eating | B. Histone |
| 3. Chromosome | C. Calcium pectate |
| 4. Middle lamella | D. Phagosome |
| E. Polysaccharide |
Answer:
1-B: 2-D; 3-A; 4-C