Cell The Unit of Life Test

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Cell The Unit of Life Test - 9

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Weekly Quiz Competition

Question 1
1 / -0

Select the incorrect matching

A
Digestive enzyme – Lysosome

B
Thylakoid – Chloroplast

C
Cristae —Mitochondria

D
Chromosome—RNA

Solution

The nucleus contains the chromosomes which in turn contain the genetic material, DNA.
Question 2
1 / -0

The stacks of closely packed thylakoids is called

A
Stroma

B
Matrix

C
Granum

D
Lumen

Solution

Granum : A stacked membranous structure within the chloroplasts of plants and green algae that contains the chlorophyll and is the site of the light reactions of photosynthesis. The saclike membranes that make up grana are known as thylakoids.
Question 3
1 / -0

Which one is not a difference between Prokaryotic and Eukaryotic cell?

A
Number of chromosomes

B
Presence of cell wall

C
Presence of nuclear membrane

D
Presence of membrane bounded organelles

Solution

Most prokaryotic cells, particularly the bacterial cells, have a chemically complex cell envelope. All eukaryotic cells are not identical. Plant and animal cells are different as the former possess cell walls.
Question 4
1 / -0

The structure of plasma membrane fluid mosaic model is proposed by

A
Gram

B
Robert brown

C
Singer and Nicolson

D
Schwann and Schleiden

Solution

The fluid mosaic model explains various observations regarding the structure of functional cell membranes. The model, which was devised by SJ Singer and GL Nicolson in 1972, describes the cell membrane as a two-dimensional liquid that restricts the lateral diffusion of membrane components.
Question 5
1 / -0

Proteins synthesized by ribosomes on the endoplasmic reticulum are modified in

A
Vesicles

B
Stroma

C
Tubules

D
Cisternae

Solution

The cisternae of the golgi apparatus is responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations.
Question 6
1 / -0

Subunits of 80S ribosome are

A
40 S

B
40 S and 60 S

C
60 S

D
60 S and 20 S

Solution

Each ribosome consists of two subunits.

Eukaryotes have 80S ribosomes, each consisting of a small (40S) and large (60S) subunit.

Their 40S subunit has an 18S RNA (1900 nucleotides) and 33 proteins.

The large subunit is composed of a 5S RNA (120 nucleotides), 28S RNA (4700 nucleotides), a 5.8S RNA (160 nucleotides) subunits and 46 proteins.
Question 7
1 / -0

Cell drinking is another name of

A
Phagocytosis

B
Pinocytosis

C
Aquacytosis

D
None of these

Solution

Cell drinking is another name of pinocytosis.

Pinocytosis, a process by which liquid droplets are ingested by living cells. Pinocytosis is one type of endocytosis, the general process by which cells engulf external substances, gathering them into special membrane-bound vesicles contained within the cell.
Question 8
1 / -0

Which one is not a part of Golgi complex?

A
Tubules

B
Vesicles

C
Cisternae

D
Glycosomes

Solution

Golgi complex or Golgi body consists of cisternae, tubules and spherical vesicles. Glycosome is not present in Golgi complex.
Question 9
1 / -0

Lysosomes are called “suicide bag” because it contain

A
Large number of digestive enzyme

B
Large number of toxic materials

C
Large amount of lipase

D
Large amount of hormones

Solution

Lysosome is called as suicide bag because it contain large number of digestive enzyme that can digest the whole cell in case of rapture.
Question 10
1 / -0

Which is not a function of vacuole in plant cell?

A
Formation of H₂O₂

B
Waste disposal

C
Cell elongation

D
Storage

Solution

Plant cell contain large central vacuole which help in waste disposal, cell elongation and storage but not involved in formation of H₂O₂ .

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Cell The Unit of Life Test - 9

Result

Cell The Unit of Life Test - 9

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SHARING IS CARING

Question 1

Digestive enzyme – Lysosome

Thylakoid – Chloroplast

Cristae —Mitochondria

Chromosome—RNA

Solution

Question 2

Stroma

Matrix

Granum

Lumen

Solution

Question 3

Number of chromosomes

Presence of cell wall

Presence of nuclear membrane

Presence of membrane bounded organelles

Solution

Question 4

Gram

Robert brown

Singer and Nicolson

Schwann and Schleiden

Solution

Question 5

Vesicles

Stroma

Tubules

Cisternae

Solution

Question 6

40 S

40 S and 60 S

60 S

60 S and 20 S

Solution

Question 7

Phagocytosis

Pinocytosis

Aquacytosis

None of these

Solution

Question 8

Tubules

Vesicles

Cisternae

Glycosomes

Solution

Question 9

Large number of digestive enzyme

Large number of toxic materials

Large amount of lipase

Large amount of hormones

Solution

Question 10

Formation of H2O2

Waste disposal

Cell elongation

Storage

Solution

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Formation of H₂O₂