Cell Structure and Functions Test

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Cell Structure and Functions Test - 20

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Weekly Quiz Competition

Question 1
1 / -0

The word 'prokaryote' means a cell __________.

A
With many nuclei

B
With one nucleus

C
With primitive nucleus

D
Without chloroplast

Solution

The literal meaning of 'prokaryote' is a cell having 'primitive karyon'. The term 'karyon' means 'nucleus'. A primitive nucleus is not bound by a nuclear membrane.
Hence, the correct option is C.
Question 2
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Find out a suitable term from the following for the various components of cells.

A
Tissue

B
Cell organelles

C
Chromosomes

D
Genes
Solution
- A cell is the basic unit of life. It is made up of the cell membrane, cytoplasm, nucleus, cell organelles and cell wall except in animal cells.
- Cell organelles are the microscopic structure embedded in the cytoplasm and perform various cellular activities.
- Tissue it the group of structurally and functionally similar cells.
- Chromosomes are the compact structure in the nucleus made up of DNA consists of genes and protein. Thus, the correct answer is option B.
Question 3
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The jelly like substance present in the cell is called as

A
Nucleoplasm

B
Chromosome

C
Chloroplast

D
Cytoplasm

Solution

The jelly-like substance inside the cell is called as cytoplasm. Cell organelles are suspended in the cytoplasm.
Hence the correct option is D.
Question 4
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Which among the following is correctly represented?

A
Cell $$\rightarrow$$ tissue $$\rightarrow$$ organ $$\rightarrow$$ organ system $$\rightarrow$$ organism

B
Organism $$\rightarrow$$ organ $$\rightarrow$$ organ system $$\rightarrow$$ tissue $$\rightarrow$$ cell

C
Cell $$\rightarrow$$ tissue $$\rightarrow$$ organ system $$\rightarrow$$ organism $$\rightarrow$$ organ

D
None of the above

Solution

Cells are called the structural and functional unit of life because all the living organisms are made up of cells and also all the functions taking place inside the body of organisms are performed by cells. A group of cells, which are structurally similar and or work together to perform a particular function are called tissue. The collection of such tissues, which are joined in a structural unit to perform a certain function is called an organ. An organ system is a group of organs that work together to perform one or more functions, e.g., heart, blood, and blood vessels work together as a circulatory system. Organ systems work together and carry out normal functions of life, which form an organism. Thus, the correct answer is option A.
Question 5
1 / -0

Cells were determined to be the basic structural units of plants and animals, in which of the following time period?

A
1600's

B
1700's

C
1800's

D
1900's
Solution
- The cell was discovered by Robert Hook in 1665. But the statement that cell is the structural and functional unit of life generalized as cell theory in 1839 by Schleiden and Schwann. Thus, the correct answer is option C.
Question 6
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Identify the correct statement about cells.

A
All the cells have nucleus.

B
Cells of an organ have similar structure.

C
Cells of a tissue have similar structure.

D
Shape of all types of cells is round.
Solution
- The tissue is a group of cells that have a similar structure, function, and from a common origin.
- Different tissues have different types of cells because an organ is made of different types of tissues and hence consists of different types of cells.
- All cells do not possess a nucleus like in RBC.
- Thus, the correct answer is option C.
Question 7
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Which of the following is found in plant cells, but not in animal cells?

A
Cell wall

B
Nucleus

C
Endoplasmic reticulum

D
Mitochondria
Solution
- The cell wall is a unique structure present in plant cells. It is found as an outer covering to the plasma membrane.
- It is absent in animal cells.
Hence the correct option is A.
Question 8
1 / -0

Hybridoma cells are

A
Nervous cells of frog

B
Hybrid cells resulting from myeloma cells

C
Only cells having oncogenes

D
Product of spore formation in bacteria.
Question 9
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............................. is the key to increase the number of cells in a living being.

A
Metabolism

B
Growth

C
Cell division

D
Cell elongation
Question 10
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Generally, smaller the cell

A
The larger the nuclei.

B
The smaller the nuclei.

C
It will be metabolically more active.

D
It will be metabolically less active.

Solution

The surface area of cells determines the exchange of materials. The increase in the volume of the cell increases its metabolic activity. However, surface area does not increase correspondingly with the volume. Therefore, larger cells are less efficient. Metabolically active cells are usually small with the higher surface area with per unit volume.
So, the correct answer is option C.

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Cell Structure and Functions Test - 20

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Cell Structure and Functions Test - 20

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SHARING IS CARING

Question 1

With many nuclei

With one nucleus

With primitive nucleus

Without chloroplast

Solution

Question 2

Tissue

Cell organelles

Chromosomes

Genes

Solution

Question 3

Nucleoplasm

Chromosome

Chloroplast

Cytoplasm

Solution

Question 4

Cell $$\rightarrow$$ tissue $$\rightarrow$$ organ $$\rightarrow$$ organ system $$\rightarrow$$ organism

Organism $$\rightarrow$$ organ $$\rightarrow$$ organ system $$\rightarrow$$ tissue $$\rightarrow$$ cell

Cell $$\rightarrow$$ tissue $$\rightarrow$$ organ system $$\rightarrow$$ organism $$\rightarrow$$ organ

None of the above

Solution

Question 5

1600's

1700's

1800's

1900's

Solution

Question 6

All the cells have nucleus.

Cells of an organ have similar structure.

Cells of a tissue have similar structure.

Shape of all types of cells is round.

Solution

Question 7

Cell wall

Nucleus

Endoplasmic reticulum

Mitochondria

Solution

Question 8

Nervous cells of frog

Hybrid cells resulting from myeloma cells

Only cells having oncogenes

Product of spore formation in bacteria.

Question 9

Metabolism

Growth

Cell division

Cell elongation

Question 10

The larger the nuclei.

The smaller the nuclei.

It will be metabolically more active.

It will be metabolically less active.

Solution

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