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Chapter:

100+ Cell Structure Solved MCQs

in Biology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .

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Chapter: Cell Structure
1.

It is responsible for begininig of the life of organisms.

A. Tissue
B. Zygote
C. Cell
D. Embryonic layer
Answer» B. Zygote
discuss
2.

Who proposed the cell theory.

A. Singer and Nicholsen
B. Schwann and schleiden
C. Hook and Brown
D. Robertson
Answer» B. Schwann and schleiden
discuss
3.

Who proposed that new cells arise through cell division of pre-existing cells.

A. Robert Hook
B. Rudolf Virchow
C. Robert Brown
D. Singer
Answer» B. Rudolf Virchow
discuss
4.

It is the Smallest Cell.

A. Bacteria
B. Mycoplasm
C. Yeast
D. Blue green algae
Answer» B. Mycoplasm
discuss
5.

Prokaryotic cells have which architectural regions?

A. Cell
B. Appendages
C. Nucleus
D. a-b-c,all
Answer» B. Appendages
discuss
6.

The association of more than one ribosome with a single molecule of m-RNA complex is called as...

A. Polypeptide
B. Polysome
C. Polymer
D. Poly Saccharide
Answer» B. Polysome
discuss
7.

Which structure possess flagellin protein?

A. Muscles fiber
B. Flagellum
C. Pilli
D. a,b,c-all
Answer» B. Flagellum
discuss
8.

The cell wall of algae is made up of which substance?

A. Protein
B. Mannans
C. Lipid
D. a,b,c-all
Answer» B. Mannans
discuss
9.

The cells involved in large amount of lipid synthesis,do not possess this orgenelle on Endoplasmicreticulum.

A. Mitochondrion
B. Ribosomes
C. Golgi apparatus
D. lysosome
Answer» B. Ribosomes
discuss
10.

In mitochodria, it contains F-particles.

A. Matrix
B. Cristae
C. Outer layer
D. a-b-c,all
Answer» B. Cristae
discuss
11.

The materials essential for dark reaction are located in

A. Circular-DNA
B. Thylakoids
C. Stroma
D. Ribosomes
Answer» B. Thylakoids
discuss
12.

Microfilaments are made up of

A. Fat
B. Protein
C. Carbohydrates
D. Nucleic acid
Answer» B. Protein
discuss
13.

It possess Flagella.

A. Paramoecium
B. Euglena
C. Amoeba
D. Yeast
Answer» B. Euglena
discuss
14.

It directs formation of the bipolar spindle during cell division.

A. Golgi body
B. Centriole
C. Ribosome
D. Cilia
Answer» B. Centriole
discuss
15.

In human which cell lacks nucleus.

A. Lymphocyte
B. RBC
C. Monocytes
D. Neutrophils
Answer» B. RBC
discuss
16.

The unit of phloem in which nucleus is absent.

A. Sieve cell
B. Sieve tube
C. Companion cell
D. Phloem parenchyma
Answer» B. Sieve tube
discuss
17.

No membrane surrouds in this organelle.

A. Lysosome
B. Nucleolus
C. Golgi body
D. Nucleus
Answer» B. Nucleolus
discuss
18.

It actively synthesized r-RNA.

A. Nucleoplasm
B. Nucleolus
C. Nucleus
D. a-b-c,all
Answer» B. Nucleolus
discuss
19.

In each chromosome centromere possessing disc shaped structure is

A. Satellite
B. Kinetochore
C. Long arm
D. Short arm
Answer» B. Kinetochore
discuss
20.

Bacteria possess small DNA other than circular DNA which is called as...

A. Cosmid
B. Plasmid
C. Plastid
D. Starid
Answer» B. Plasmid
discuss
21.

It shows presence of Nucleoid.

A. Plant cell
B. Bacteria
C. Animal cell
D. Virus
Answer» B. Bacteria
discuss
22.

The cell wall of fungi is made up of which substance?

A. Starch
B. Chitin
C. Cellulose
D. Pectin
Answer» B. Chitin
discuss
23.

Which organelle is not considered as a part of Endomembrane system?

A. Vacuole
B. Chloroplast
C. Endoplasmic reticulum
D. Lyso some
Answer» B. Chloroplast
discuss
24.

Chromosome in which centromere is located at the end is....

A. Acrocentric
B. Telo centric
C. Meta centric
D. Sub-meta centric
Answer» B. Telo centric
discuss
25.

Select unicellular organism which possess cillia.

A. Amoeba
B. Paramoecium
C. Yeast
D. Opalina
Answer» B. Paramoecium
discuss
26.

Which is the example of unicellular organism?

A. Chlamydomona
B. Spirogyra
C. Mushroom
D. Chiton
Answer» A. Chlamydomona
discuss
27.

Who mentioned that cells had a thin layer around them?

A. Schwann
B. Virchow
C. Schleiden
D. Robert Hook
Answer» A. Schwann
discuss
28.

Who mention that the presence of a cell wall is an unique character of the plant cell?

A. Schwann
B. Virchow
C. Schleiden
D. Robert Brown
Answer» A. Schwann
discuss
29.

Which organelles are found only in animal cell?

A. Centriole
B. Mitochondria
C. Golgi apparatus
D. Chloroplast
Answer» A. Centriole
discuss
30.

Which is biggest animal cell?

A. Ostrich’s egg
B. Hen’s egg
C. PPLO
D. Mycoplasma
Answer» A. Ostrich’s egg
discuss
31.

In some of Bacteria the outer-most layer is a loose sheath layer called as....

A. Slime layer
B. Capsule
C. Cell membrane
D. Glucocalyx
Answer» A. Slime layer
discuss
32.

What is the function of SER?

A. Synthesis of Steroid hormone
B. Synthesis of protein
C. Synthesis of enzyme
D. a,b,c,all
Answer» A. Synthesis of Steroid hormone
discuss
33.

How many unit occur in each stackpile of golgi apparatus?

A. 4 to 8
B. 2 to 6
C. 4 to 6
D. 2 to 8
Answer» A. 4 to 8
discuss
34.

What is produce when vesicle are separated from golgi body?

A. Lysosome
B. Vacuoles
C. Ribosomes
D. Chloroplast
Answer» A. Lysosome
discuss
35.

The area the cytoplasn without any cytoplasm are called as...

A. Vacuole
B. Chloroplast
C. Cytoplasmic Gap
D. Mitochondria
Answer» A. Vacuole
discuss
36.

Which organelle is responsible for degradation of worn out cells?

A. Lysosome
B. Golgi apparatus
C. Vacuoles
D. Endoplasmic Reticulum
Answer» A. Lysosome
discuss
37.

which plastid is not included as a chromoplast?

A. Chloroplast
B. Carotene
C. Xanthophyllus
D. Anthrocyanin
Answer» A. Chloroplast
discuss
38.

Which plastids possess chlorophyll pigments?

A. Chloroplast
B. Xanthophyllus
C. Anthrocyanin
D. Carotene
Answer» A. Chloroplast
discuss
39.

How many grana present in one chloroplast?

A. 40-60
B. 42-47
C. 60-80
D. 02-100
Answer» A. 40-60
discuss
40.

Each granum possesses how many thylakoids?

A. 02-100
B. 90-93
C. 19-89
D. 19-38
Answer» A. 02-100
discuss
41.

In peripheral region of centriole nine triplets are arranged at which angles?

A. 40o
B. 60o
C. 30o
D. 90o
Answer» A. 40o
discuss
42.

This organelle possesses 9+0 structure.

A. Centriole
B. Cillia
C. Flagella
D. a,b,c-all
Answer» A. Centriole
discuss
43.

Various colours in flower fruit and seeds are due to presence of which pigment?

A. Anthocyanin
B. Chlorophyll
C. Chloroplast
D. a,b,c-all
Answer» A. Anthocyanin
discuss
44.

What is the diameter of cisternae in golgi apparatus?

A. 0.5m-1m
B. 0.5 mm-1 mm
C. 5 m-10 m
D. 0.05 m-1m
Answer» A. 0.5m-1m
discuss
45.

Which organelle possess hydrolase enzyme?

A. Lysosome
B. Golgi apparatus
C. Mitochondria
D. Chloroplast
Answer» A. Lysosome
discuss
46.

The leucoplast which stores protein is known as...

A. Aleuroplast
B. Chloroplasts
C. Amyloplasts
D. Elaioplasts
Answer» A. Aleuroplast
discuss
47.

The protoplast surrounding the centriole is called as...

A. Centrosphere
B. Centrofibre
C. Centroradus
D. centroboides
Answer» A. Centrosphere
discuss
48.

Like zygote any cell of the body is capable of producing a new individual is known as...

A. Totipotency
B. Differentiation
C. Growth
D. Reproduction
Answer» A. Totipotency
discuss
49.

Which organelle is associated in the formation of basal granules, cillia and flagella?

A. Centrosome
B. Golgi apparatus
C. Mitochondra
D. Lysosome
Answer» A. Centrosome
discuss
50.

The number of mitochondria per cell depends upon the...

A. Physiological activity of the cell
B. Types of cell
C. Shape of cell
D. Size of cell
Answer» A. Physiological activity of the cell
discuss

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