• Cell and Cell divsion - I
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Cell and Cell divsion - I

Description: Cell and Cell division - I contains questions for NTSE NSEJS and KVPY board questions
Number of Questions: 10
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Tags: Cell and Cell division - I cell division questions Board exam questions Cell basic structure Cell wall and membrane
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Which is the simplest level of organisation in living beings?

  1. Cellular level

  2. Tissue level

  3. Organ level

  4. Organ system level

Show answer
Correct Option: A
Explanation:

The simplest level of organisation in living beings is the cellular level.

The largest living cell is a/an

  1. nerve cell

  2. ostrich egg

  3. muscle cell

  4. ovum

Show answer
Correct Option: B
Explanation:

The largest living cell is an ostrich egg.

Which of the following is false for a biological cell?

  1. It is the smallest unit of life which is capable of replicating itself.

  2. Cells divide to produce cells of various kinds.

  3. All living beings possess cells.

  4. No cell can be seen with a naked eye.

Show answer
Correct Option: D
Explanation:

An egg is also a single cell which can be seen with a naked eye.

The organisms with cellular level organisation are called

  1. Unicellular

  2. Multicultural

  3. Prokaryotes

  4. Eukaryotes

Show answer
Correct Option: A
Explanation:

The organisms with cellular level organisation are called unicellular.

How does gaseous exchange take place through plasma membrane?

  1. By diffusion

  2. By osmosis

  3. By active transport

  4. By reverse osmosis

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Correct Option: A
Explanation:

Gaseous exchange takes place by diffusion through plasma membrane.

Which of the following cells is disc-shaped?

  1. Muscle cell

  2. Nerve cell

  3. Skin cell

  4. RBC

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Correct Option: D
Explanation:

RBCs are disc-shaped cells.

The dark, spot-like structure that helps make ribosomes is called

  1. nucleus

  2. nucleoid

  3. nucleoside

  4. nucleolus

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Correct Option: D
Explanation:

The dark, spot-like structure that helps make ribosomes is called nucleolus. It is present inside the nucleus.

Which of the following is a multicellular organism?

  1. Amoeba

  2. Paramecium

  3. Hydra

  4. Euglena

Show answer
Correct Option: C
Explanation:

Hydra is a multicellular organism.

Why is plasma membrane called selectively permeable?

  1. Because it selects the material to move in or out of the cell

  2. Because it is sometimes fully – permeable and sometimes semi – permeable

  3. Because its permeability could not be understood till date

  4. Because its one layer is permeable but the other is non – permeable

Show answer
Correct Option: A
Explanation:

Plasma membrane is called selectively permeable because it selects the material to move in or out of the cell on the basis of size, chemical nature and cell requirement.

Which of the following is the function of a cell wall?

  1. It helps in plasmolysis when dipped in hypotonic solution.

  2. It prevents plasmolysis when dipped in hypotonic solution.

  3. It prevents plasmolysis when dipped in isotonic solution.

  4. It helps in plasmolysis when dipped in isotonic solution.

Show answer
Correct Option: B
Explanation:

Cell wall prevents plasmolysis when dipped in hypotonic solution.

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