Cells And Tissues Test

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Cells And Tissues Test - 2

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Weekly Quiz Competition

Question 1
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Which of the following statements is incorrect about plasma membrane?

A
It separates the contents of the cell from its external environment.

B
It is rigid and provides shape to the cell.

C
It is selectively permeable membrane.

D
It is made up of lipids and proteins only.
Question 2
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Homo sapiens are an example of what type of the cellular organism?

A
Unicellular eukaryote

B
Multicellular eukaryote

C
Unicellular prokaryotes

D
Multicellular prokaryotes
Question 3
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How many chromosomes are present in a normal human cell?

A
43 pairs

B
42 pairs

C
23 pairs

D
22 pairs

Solution

In human beings, there are 23 pairs of chromosomes. The 23^rd pair, the sex chromosomes, differs between males and females.
Question 4
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What is the name of the membrane that surrounds all the organelles of a cell?

A
Nuclear membrane

B
Cell membrane

C
Tonoplast

D
Cell wall

Solution

The cell membrane is a thin, semi-permeable barrier that surrounds and encloses the contents of a cell.
Question 5
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Which of the following protein gives red colour to the blood?

A
Porphyrin

B
Haemocyanin

C
Anthocyanin

D
Haemoglobin

Solution

Haemoglobin gives red colour to the blood. Each haemoglobin protein is made up subunits called hemes, which are what give blood its red colour.
Question 6
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Which among the following cells are also known as WBC?

A
Erythrocytes

B
Leucocytes

C
Thrombocytes

D
Lymphocytes

Solution

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
Question 7
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Which of the following is a correct relation of epithelial animal tissue and their presence in body?

A
Cuboidal epithelium: lining of pharynx

B
Columnar epithelium: Cavity of heart and alveoli

C
Squamous epithelium: Cavity of lymph and blood vessels

D
Cuboidal epithelium: Covering of cartilage
Question 8
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Which of the following statement is true about cardiac muscles?

A
They are voluntary in the action

B
They undergo contraction at random timings.

C
They are present in the walls of heart.

D
They appear thick is centre and tapering towards ends.
Question 9
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Connective tissue 'x' forms tendons that join muscles to bones and tissue 'y' forms ligaments that join bone to bone. What are X and Y?

A
X – Cardiac muscle fibre
Y – Elastic tissue

B
X – Adipose tissue
Y – White fibrous tissue

C
X – Areolar tissue
Y – Adipose tissue

D
X – White fibrous tissue
Y – Elastic tissue

Solution

White fibrous tissue forms tendons that join muscles to bones and elastic tissue forms ligaments that join bone to bone.
Question 10
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A person takes too much fat diet. After some time, he becomes very fat. This has happened due to the deposition of fat molecules in which of the following tissues?

A
White fibrous tissue

B
Elastic tissue

C
Areolar tissue

D
Adipose tissue

Solution

Adipose tissue is specialized connective tissue that functions as the major storage site for fat in the form of triglycerides.

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Cells And Tissues Test - 2

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Cells And Tissues Test - 2

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Question 1

It separates the contents of the cell from its external environment.

It is rigid and provides shape to the cell.

It is selectively permeable membrane.

It is made up of lipids and proteins only.

Question 2

Unicellular eukaryote

Multicellular eukaryote

Unicellular prokaryotes

Multicellular prokaryotes

Question 3

43 pairs

42 pairs

23 pairs

22 pairs

Solution

Question 4

Nuclear membrane

Cell membrane

Tonoplast

Cell wall

Solution

Question 5

Porphyrin

Haemocyanin

Anthocyanin

Haemoglobin

Solution

Question 6

Erythrocytes

Leucocytes

Thrombocytes

Lymphocytes

Solution

Question 7

Cuboidal epithelium: lining of pharynx

Columnar epithelium: Cavity of heart and alveoli

Squamous epithelium: Cavity of lymph and blood vessels

Cuboidal epithelium: Covering of cartilage

Question 8

They are voluntary in the action

They undergo contraction at random timings.

They are present in the walls of heart.

They appear thick is centre and tapering towards ends.

Question 9

X – Cardiac muscle fibre Y – Elastic tissue

X – Adipose tissue Y – White fibrous tissue

X – Areolar tissue Y – Adipose tissue

X – White fibrous tissue Y – Elastic tissue

Solution

Question 10

White fibrous tissue

Elastic tissue

Areolar tissue

Adipose tissue

Solution

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X – Cardiac muscle fibre
Y – Elastic tissue

X – Adipose tissue
Y – White fibrous tissue

X – Areolar tissue
Y – Adipose tissue

X – White fibrous tissue
Y – Elastic tissue