Cell and Cell Division Test

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Cell and Cell Division Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

What is the function of plasma membrane?

A
It helps in protein synthesis.

B
It regulates the passage of water in and out of a cell.

C
It regulates the passage of water and small polar molecules in and out of a cell.

D
It protects the organelles of a plant cell.

Solution

The plasma membrane is selectively permeable; hydrophobic molecules and small polar molecules can diffuse through the lipid layer, but ions and large polar molecules cannot. Integral membrane proteins enable ions and large polar molecules to pass through the membrane by passive or active transport.
Question 2
1 / -0

Bilirubin and biliverdin are found in

A
blood

B
bile

C
pancreatic juice

D
saliva

Solution

Bilirubin and biliverdin are found in bile. Bilirubin is created by the activity of biliverdin reductase on biliverdin, a green tetrapyrrolic bile pigment that is also a product of heme catabolism. Bilirubin, when oxidized, reverts to become biliverdin once again.
Question 3
1 / -0

The size of a cell depends upon

A
its oxygen requirement

B
its minerals and materials requirement

C
its regulating ability of the nucleus

D
All of the above

Solution

The size of a cell depends upon its oxygen requirement, minerals and materials requirements and regulating ability of the nucleus.
Question 4
1 / -0

Which of the following parts are present in both animal and plant cells?

A
Nucleus, nuclear sap and cell membrane

B
Centrosome and Golgi apparatus

C
Cellulose and plastids

D
All of the above

Solution

Nucleus, nuclear sap and cell membrane are present in both animal and plant cells. Centrosome is exclusive to only animal cell. Cellulose and plastids are exclusive to plant cells.
Question 5
1 / -0

Which of the following options does not provide energy?

A
Glucose

B
Pulses

C
Oil

D
Vitamins

Solution

Energy producing substances are glucose, proteins and fats. Vitamins do not produce energy.
Question 6
1 / -0

Nucleus was discovered by

A
Robert Hook

B
Robert Brown

C
Strasburg

D
Van Mohl

Solution

Nucleus was discovered by Robert Brown.
Question 7
1 / -0

The quick energy we get is stored in the form of

A
ADP

B
ATP

C
glucose

D
glycogen

Solution

The stored form of glucose is made up of many connected glucose molecules and is called glycogen. When the body needs a quick boost of energy or when the body isn't getting glucose from food, glycogen is broken down to release glucose into the bloodstream to be used as fuel for the cells.
Formula: (C₆H₁₀O₅)_n
Question 8
1 / -0

What happens in anaphase stage?

A
Chromatids start moving towards the opposite poles.

B
Chromatids start moving towards the equatorial line.

C
Chromatids condense to form chromosomes.

D
Crossing over takes place between the homologous chromosomes.

Solution

In anaphase stage, chromatids start moving towards the opposite poles, while the chromosomes are drawn to each side of the cell. The non-kinetochore spindle fibres push against each other, in a ratcheting action, that stretches the cell into an oval.
Question 9
1 / -0

The smallest size of a cell, which can be seen unaided with naked eye, is

A
1μ

B
10μ

C
100μ

D
1000μ

Solution

The smallest size of a cell, which can be seen unaided with naked eye, is 100μ.
Question 10
1 / -0

The longest cell in the human body is

A
nerve cell

B
liver cell

C
muscle cell

D
kidney cell

Solution

The longest cell in the human body is nerve cell. Neuron is an electrically excitable cell that processes and transmits information through electrical and chemical signals.
Question 11
1 / -0

Most plants differ from most animals in having

A
localised growth areas and definite life spans

B
localised growth areas and indefinite life spans

C
general growth throughout the body and indefinite life spans

D
general growth throughout the body and definite life spans

Solution

Most plants differ from most animals in having localised growth areas and indefinite life spans.
Question 12
1 / -0

Chromosomes at anaphase are of various shapes depending upon position of centromere. It is J shaped when centromere is

A
metacentric

B
telocentric

C
acrocentric

D
submetacentric

Solution

If the p (short) arm is so short that it is hard to observe, but still present, then the chromosome is acrocentric. The human genome includes six acrocentric chromosomes: 13, 14, 15, 21, 22 and Y chromosomes.
Question 13
1 / -0

Phosphorus is a structural element in

A
proteins

B
cytochrome

C
carbohydrates

D
DNA

Solution

Phosphorus is a structural element in ATP, ADP and DNA.
Question 14
1 / -0

Which one of the following options is a component of chlorophyll?

A
Iron

B
Manganese

C
Magnesium

D
Calcium

Solution

Chlorophyll is composed of mineral element magnesium. Chlorophyll is a term used for several closely related green pigments found in cyanobacteria and the chloroplasts of algae and plants.
Question 15
1 / -0

Which of the following pairs of type of cell and cell structure is correct?

A
Animal cell : Plastids

B
Plant cell : Mitochondria

C
Animal cell : Cell wall

D
Plant cell : Centrosomes

Solution

As plastids and cell wall are present only in plants, but not in animals and centrosomes are present in animal cells only, so option 2 is correct.
Question 16
1 / -0

Which of the following structures are commonly present in animal cells and not in plant cells?

I. Cell wall
II. Lysosomes
III. Plastids
IV. Centriole

A
II, Ill and IV

B
I, II and III

C
II and IV

D
I and III

Solution

Among the given options, lysosomes and centriole are mainly present in animal cells but absent in plant cells. Most of the work done by animal lysosomes is done by plant vacuoles.
Question 17
1 / -0

The chief organic substance in cytoplasm is

A
water

B
lipid

C
sugar

D
protein

Solution

The chief organic substance in cytoplasm is proteins. Metabolic pathways like glycolysis and cellular processes like cell division take place in the cytoplasm.
Question 18
1 / -0

Besides nucleus, DNA is also found in

A
golgi bodies

B
mitochondria

C
lysosomes

D
vacuoles

Solution

Besides nucleus, DNA is also found in plastids and mitochondria.
Question 19
1 / -0

During which of the following phases does DNA duplicate itself?

A
G1

B
Metaphase

C
S phase

D
G2

Solution

DNA doubles its content in the synthetic phase of the cell cycle.
Question 20
1 / -0

Which of the following is the smallest known cell?

A
PPLO

B
Virus

C
Bacteria

D
Amoeba

Solution

PPLO or Pleuro Pnemonia Like Organism is the smallest known cell. It is resistant to antibiotics and causes a kind of pneumonia in humans.

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Cell and Cell Division Test - 3

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Cell and Cell Division Test - 3

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SHARING IS CARING

Question 1

It helps in protein synthesis.

It regulates the passage of water in and out of a cell.

It regulates the passage of water and small polar molecules in and out of a cell.

It protects the organelles of a plant cell.

Solution

Question 2

blood

bile

pancreatic juice

saliva

Solution

Question 3

its oxygen requirement

its minerals and materials requirement

its regulating ability of the nucleus

All of the above

Solution

Question 4

Nucleus, nuclear sap and cell membrane

Centrosome and Golgi apparatus

Cellulose and plastids

All of the above

Solution

Question 5

Glucose

Pulses

Oil

Vitamins

Solution

Question 6

Robert Hook

Robert Brown

Strasburg

Van Mohl

Solution

Question 7

ADP

ATP

glucose

glycogen

Solution

Question 8

Chromatids start moving towards the opposite poles.

Chromatids start moving towards the equatorial line.

Chromatids condense to form chromosomes.

Crossing over takes place between the homologous chromosomes.

Solution

Question 9

1μ

10μ

100μ

1000μ

Solution

Question 10

nerve cell

liver cell

muscle cell

kidney cell

Solution

Question 11

localised growth areas and definite life spans

localised growth areas and indefinite life spans

general growth throughout the body and indefinite life spans

general growth throughout the body and definite life spans

Solution

Question 12

metacentric

telocentric

acrocentric

submetacentric

Solution