Cell Structure and Function Test

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Cell Structure and Function Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Animal cells do not have

A
plastids

B
cell wall

C
large vacuoles

D
All of the above

Solution

Animal cells do not have cell wall, plastids like chloroplasts and leucoplasts, and large vacuoles. Instead, they have small or no vacuoles. All of these are present in plant cells.
Question 2
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Identify the correct statement.

A
Animal cells have cell wall.

B
Ribosomes generate proteins.

C
Mitochondrion is known as storehouse of the cell.

D
Endoplasmic reticulum is known for storing genetic information.

Solution

Ribosomes are meant of generating proteins. Animal cells do not have cell wall. Mitochondrion is known as powerhouse of the cell. Endoplasmic reticulum is not responsible for storing the genetic information, but is meant for providing skeletal framework.
Question 3
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Which of the following statements is not true for nucleus?

A
Nucleus stores genetic information like DNA, RNA etc.

B
Nucleus contains chromatin threads.

C
Nucleus is lined by nuclear membrane.

D
Nucleolus of a nucleus is equivalent to the cytoplasm of a cell.

Solution

Nucleolus is that part of a nucleus which is responsible for the complete functioning of the nucleus and thus, it is equivalent to the nucleus of a cell, and not the cytoplasm.
Question 4
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Identify the correct statements.

a. Prokaryotes contain membrane-bound organelles.
b. Cytoplasm is the semi-fluid interior of the cell that contains nucleus and all other organelles in it.
c. Gene is a unit of inheritance in living organisms.

A
a and b

B
b and c

C
a and c

D
All of the above

Solution

Cytoplasm is the semi-fluid, jelly-like interior of the cell that contains nucleus and all other organelles in it. Gene is a unit of inheritance in living organisms.

Question 5

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Match the following:

(i) Chloroplasts	(a) Suicidal bags
(ii) Ribosomes	(b) Powerhouse
(iii) Mitochondria	(c) Impart green colour
(iv) Lysosomes	(d) Generate proteins

(i) – (c), (ii) – (d), (iii) – (b), (iv) – (a)

(i) – (d), (ii) – (a), (iii) – (c), (iv) – (b)

(i) – (a), (ii) – (b), (iii) – (c), (iv) – (d)

(i) – (a), (ii) – (c), (iii) – (b), (iv) – (d)

Solution

Chloroplasts are the type of plastids that are meant for imparting green colour.
Ribosomes generate proteins.
Mitochondria generate energy in the form of ATP and thereby, are known as the powerhouse of the cell.
Lysosomes are known as the suicidal bags.

Question 6
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_________ is a jelly-like fluid present between nucleus and cell membrane.

A
Nucleoplasm

B
Protoplasm

C
Cytoplasm

D
Chromosome

Solution

Cytoplasm is present between nucleus and cell membrane and holds all the other cell organelles.
Question 7
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What is the living substance of a cell called?

A
Chromosome

B
Cytoplasm

C
Protoplasm

D
Nucleus

Solution

The living substance of a cell is called protoplasm, which is composed of various molecules and water.
Question 8
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Which is the largest cell?

A
Ostrich egg

B
Heart cell

C
Human ova

D
None of these

Solution

The largest cell measuring 170 mm × 130 mm is the egg of an ostrich.
Question 9
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The white material of an egg that solidifies on boiling is made up of

A
globulin

B
lipids

C
yolk

D
albumin

Solution

In an egg, a white material surrounds the yellow part. The white material is protein, known as albumin, which solidifies on boiling.
Question 10
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Plastids are found in

A
humans

B
bacteria

C
fungi

D
plants

Solution

Coloured bodies called plastids are found in plant cells only.
Question 11
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Which cell organelle is essential for photosynthesis?

A
Chloroplast

B
Mitochondrion

C
Lysosome

D
Centrosome

Solution

Chloroplast contains chlorophyll that is essential for photosynthesis.
Question 12
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_____________ is the unit of inheritance in living organisms.

A
Amino acid

B
Triglyceride

C
Cell

D
Gene

Solution

Gene is the unit of inheritance in living organisms. It controls the transfer of a hereditary characteristic from parents to offspring.
Question 13
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Which of following statements is correct?

A
Genes have no function in working of cell.

B
Nucleolus is situated in the nucleus of the cell.

C
Cell membrane is a non-living tissue.

D
DNA is situated in cell membrane.

Solution

The nucleolus is a round body located inside the nucleus of a eukaryotic cell.
Question 14
1 / -0

Which unit of measurement is used for expressing dimensions of nucleus?

A
Millimeter

B
Micrometer

C
Nanometer

D
None of the above

Solution

The unit of measurement used for expressing dimensions of nucleus is nanometer.
Question 15
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What is a group of similar cells performing special functions called?

A
Tissue

B
Organ

C
Gene

D
Organ system

Solution

A group of similar cells performing special functions is called tissue.

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Cell Structure and Function Test - 4

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Cell Structure and Function Test - 4

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Question 1

plastids

cell wall

large vacuoles

All of the above

Solution

Question 2

Animal cells have cell wall.

Ribosomes generate proteins.

Mitochondrion is known as storehouse of the cell.

Endoplasmic reticulum is known for storing genetic information.

Solution

Question 3

Nucleus stores genetic information like DNA, RNA etc.

Nucleus contains chromatin threads.

Nucleus is lined by nuclear membrane.

Nucleolus of a nucleus is equivalent to the cytoplasm of a cell.

Solution

Question 4

a and b

b and c

a and c

All of the above

Solution

Question 5

(i) – (c), (ii) – (d), (iii) – (b), (iv) – (a)

(i) – (d), (ii) – (a), (iii) – (c), (iv) – (b)

(i) – (a), (ii) – (b), (iii) – (c), (iv) – (d)

(i) – (a), (ii) – (c), (iii) – (b), (iv) – (d)

Solution

Question 6

Nucleoplasm

Protoplasm

Cytoplasm

Chromosome

Solution

Question 7

Chromosome

Cytoplasm

Protoplasm

Nucleus

Solution

Question 8

Ostrich egg

Heart cell

Human ova

None of these

Solution

Question 9

globulin

lipids

yolk

albumin

Solution

Question 10

humans

bacteria

fungi

plants

Solution

Question 11

Chloroplast

Mitochondrion

Lysosome

Centrosome

Solution

Question 12

Amino acid

Triglyceride

Cell

Gene

Solution