The Fundamental Unit of Life Test

Result

The Fundamental Unit of Life Test - 3

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Question 1
1 / -0

The test tubes A, B and C are taken with food samples of dal, mustard and rice respectively in powdered form. On adding iodine solution the black colour is observed in:

A
Test tube A

B
Test tube B

C
Test tube C

D
None of these

Solution

Because rice contains starch which turns blue black on adding iodine.
Question 2
1 / -0

Eukaryotic cells range in size from _______________.

A
5-100 micrometre

B
1-10 micrometre

C
5-100 nanometre

D
1-10 nanometre

Solution

Eukaryotic cells range in size from 5 to 100 micrometres.
Question 3
1 / -0

If a cell is placed in a sugar solution, then in which condition, movement of water occurs in both directions across the cell membrane?

A
When the cell is placed in an isotonic solution

B
When the cell is placed in either an isotonic, hypotonic or hypertonic solution

C
When the cell is placed in an hypotonic solution

D
When the cell is placed in either an isotonic or hypotonic solution

Solution

On placing a cell in isotonic, hypotonic or hypertonic solution, the movement of water occurs in both the directions that is from inside the cell to outside as well as from outside the cell to inside. However, the amount of water crossing the membrane from both sides varies. In an isotonic solution, the amount going in is the same as the amount going out. In a hypotonic solution, more water comes into the cell than leaves it while in a hypertonic solution more water leaves the cell than enters into it.
Question 4
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Which of the following is a unicellular organism?

A
Funaria

B
Marsilea

C
Yeast

D
Cladophora

Solution

Yeast is a unicellular fungus.
Question 5
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How does protoplasm differ from cytoplasm?

A
Cytoplasm and protoplasm are parts of nucleus.

B
Protoplasm includes nucleus and cytoplasm.

C
Protoplasm is same as cytoplasm.

D
Protoplasm is a part of cytoplasm.

Solution

Protoplasm includes nucleus and cytoplasm.
Question 6
1 / -0

What is the full form of ATP?

A
Adenosine tetraphosphate

B
Amino tetraphosphate

C
Amino triphosphate

D
Adenosine triphosphate

Solution

ATP stands for Adenosine triphosphate.
Question 7
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Which is not a postulate of cell theory?

A
All organisms are composed of cells.

B
The fluid substance of the cell is protoplasm.

C
Cell is the basic unit of life.

D
All cells arise from pre-existing cells.

Solution

The fluid substance of the cell is called protoplasm is not the postulate of the cell theory.
Question 8
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Which of the following statements is false regarding cytoplasm?

A
It contains cell organelles.

B
It is the fluid content inside the plasma membrane.

C
It is surrounded by the nuclear membrane.

D
It stains lightly.

Solution

Cytoplasm is the fluid content inside the cell which contains cell organelles. It stains lightly. However, it is surrounded by the plasma membrane and not the nuclear membrane. Nucleus is surrounded by nuclear membrane.
Question 9
1 / -0

What is the relation between lysosomes and endoplasmic reticulum?

A
The enzymes of endoplasmic reticulum are made by lysosomes.

B
Lysosomes and endoplasmic reticulum carry out same functions.

C
The enzymes of lysosomes are made by smooth endoplasmic reticulum.

D
The enzymes of lysosomes are made by rough endoplasmic reticulum.

Solution

The enzymes of lysosomes are made by rough endoplasmic reticulum.
Question 10
1 / -0

How are mitochondria able to make some of their own proteins?

A
They have their own amino acids.

B
They have enzymes for protein synthesis.

C
They have double membranes covering them.

D
They have their own DNA and ribosomes.

Solution

Mitochondria can carry out synthesis of some proteins because they have ribosomes and DNA present within them.

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Re-Attempt Weekly Quiz Competition

The Fundamental Unit of Life Test - 3

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The Fundamental Unit of Life Test - 3

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SHARING IS CARING

Question 1

Test tube A

Test tube B

Test tube C

None of these

Solution

Question 2

5-100 micrometre

1-10 micrometre

5-100 nanometre

1-10 nanometre

Solution

Question 3

When the cell is placed in an isotonic solution

When the cell is placed in either an isotonic, hypotonic or hypertonic solution

When the cell is placed in an hypotonic solution

When the cell is placed in either an isotonic or hypotonic solution

Solution

Question 4

Funaria

Marsilea

Yeast

Cladophora

Solution

Question 5

Cytoplasm and protoplasm are parts of nucleus.

Protoplasm includes nucleus and cytoplasm.

Protoplasm is same as cytoplasm.

Protoplasm is a part of cytoplasm.

Solution

Question 6

Adenosine tetraphosphate

Amino tetraphosphate

Amino triphosphate

Adenosine triphosphate

Solution

Question 7

All organisms are composed of cells.

The fluid substance of the cell is protoplasm.

Cell is the basic unit of life.

All cells arise from pre-existing cells.

Solution

Question 8

It contains cell organelles.

It is the fluid content inside the plasma membrane.

It is surrounded by the nuclear membrane.

It stains lightly.

Solution

Question 9

The enzymes of endoplasmic reticulum are made by lysosomes.

Lysosomes and endoplasmic reticulum carry out same functions.

The enzymes of lysosomes are made by smooth endoplasmic reticulum.

The enzymes of lysosomes are made by rough endoplasmic reticulum.

Solution

Question 10

They have their own amino acids.

They have enzymes for protein synthesis.

They have double membranes covering them.

They have their own DNA and ribosomes.

Solution

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