Cell Structure and Functions Test

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Cell Structure and Functions Test - 30

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Weekly Quiz Competition

Question 1
1 / -0

Fill in the blank:
A tissue is a group of _________ cells performing a specific function.

A
similar

B
different

C
only elongated

D
None of the above

Solution

A tissue is a group of the similar or same type of cells that together perform a specific function.
The correct option is A.
Question 2
1 / -0

How does pseudopodium benefit amoeba?

A
Facilitates movement

B
Help in capturing food

C
Both A and B

D
Multiple fission

Solution

A pseudopod or pseudopodium is a temporary arm-like projection of a cell membrane in amoebas that is developed in the direction of movement.
The formation of cytoplasmic projections, or pseudopodia, on the forward edge of the cell, pulling the cell along, is characteristic of the microscopic unicellular protozoans known as amoebas.
It facilitates movement and helps in capturing food.
So, the correct option is c.
Question 3
1 / -0

Both animal and plant cells have?

A
Chloroplast

B
Mitochondria

C
Centrioles

D
Large vacuole
Question 4
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A student used Dye A to stain DNA. He observed the slide under the microscope. Which cell component would appear stained?

A
cell wall

B
cell membrane

C
nucleus

D
cytoplasm

Solution

C. Nucleus
Solution : Dye A is used to stain DNA and DNA is found in the nucleus. So student probably stained the nucleus.
So the correct answer is " Nucleus".
Question 5
1 / -0

Animal cells differ from plant cells due to absence of _________.

A
Cell membrane

B
Plastid

C
Cell wall

D
Both B and C
Solution
- Cells are the building blocks by which living things are made. Though all cells nearly have the same basic structure, the plant cell and the animal cell vary in some characteristic features.
- Plastids and cell walls are seen only in plant cells.
- The cell membrane is seen in both plant and animal cells.
Hence, the correct option is D.
Question 6
1 / -0

Is there any difference between animal and plant vacuoles?

A
In animal cell, small vacuoles are present, but in mature plant cell, a large central vacuole occupies the centre of the cell.

B
In animal cell vacuoles are small, but in plant cell vacuoles are large.

C
Both A and B.

D
None of the above.

Solution

Vacuoles are storage bubbles which are present in both, animal and plant cells. These are used for storage of food or water. Plant cell vacuoles are bigger than animal cells. It occupies most of the part of the plant cell and generally present in the center.
Hence the correct option is C.
Question 7
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What are the three major functional regions of a cell?

A
(i) Plasma membrane, (ii) Cytoplasm and (iii) Nucleus

B
(i) Plasma membrane, (ii) Lysosome and (iii) Ribosome

C
(i) Cell wall, (ii) Lysosome and (iii) Ribosome

D
(i) Cell wall, (ii) Cytoplasm and (iii) Nucleus
Solution
The 3 major parts of the cell are :
1. Plasma Membrane - the outer covering of the cell that encloses the cytoplasm.
2. Cytoplasm - the jelly like matrix within the cell that contains the various organelles.
3. Nucleus - round and usually centrally placed structure that controls the various activities of the cell.
So, the correct answer is option A.
Question 8
1 / -0

Movement of ions or molecules against electrochemical gradient is called

A
Pinocytosis

B
Diffusion

C
Active transport

D
Brownican movement
Question 9
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Cells are autonomous because___________________

A
They synthesize components of living protoplasm from non-living materials.

B
They are able to grow and divide.

C
Each cell has its own life span.

D
All of the above.
Solution
- All of the living organisms are made up of cells. Cells can give rise to new cells by cell division. Each cell has a particular life span. Cells possess machinery, enzymes to form living protoplasm from non-living materials.
- For example, plant cells take up CO$$_2$$ and O$$_2$$ from the environment and make food in the presence of sunlight. Animal cells break down or oxidize glucose and form ATP.
- Such ATPs are used as energy currency in cell and various processes of cell formation organelle are carried out. Thus, the correct answer is option D.
Question 10
1 / -0

Which of the following characters distinguishes plant cells from animal cells?

A
Cell wall

B
Vacuole

C
Plastids

D
All of the above

Solution

Plastids are present in plant cells, whereas, in animal cell these are usually absent. It helps to trap sunlight for photosynthesis.
Vacuoles in plants are much larger than those found in animals.
The cell wall is present in plant cell and absent in an animal cell. It gives rigidity to a plant cell.
So, the correct answer is option D.

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Cell Structure and Functions Test - 30

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Cell Structure and Functions Test - 30

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SHARING IS CARING

Question 1

similar

different

only elongated

None of the above

Solution

Question 2

Facilitates movement

Help in capturing food

Both A and B

Multiple fission

Solution

Question 3

Chloroplast

Mitochondria

Centrioles

Large vacuole

Question 4

cell wall

cell membrane

nucleus

cytoplasm

Solution

Question 5

Cell membrane

Plastid

Cell wall

Both B and C

Solution

Question 6

In animal cell, small vacuoles are present, but in mature plant cell, a large central vacuole occupies the centre of the cell.

In animal cell vacuoles are small, but in plant cell vacuoles are large.

Both A and B.

None of the above.

Solution

Question 7

(i) Plasma membrane, (ii) Cytoplasm and (iii) Nucleus

(i) Plasma membrane, (ii) Lysosome and (iii) Ribosome

(i) Cell wall, (ii) Lysosome and (iii) Ribosome

(i) Cell wall, (ii) Cytoplasm and (iii) Nucleus

Solution

Question 8

Pinocytosis

Diffusion

Active transport

Brownican movement

Question 9

They synthesize components of living protoplasm from non-living materials.

They are able to grow and divide.

Each cell has its own life span.

All of the above.

Solution

Question 10

Cell wall

Vacuole

Plastids

All of the above

Solution

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