Question

MULTIPLE CHOICE QUESTONS

1. Which of the following organelles is smallest in size?
a. Ribosome b. Mitochondrial
c. Chloroplast
d. Lysosome
2. Which of the following organelles have double membrane?
a. Chloroplast
b. Ribosome
c. Lysosome
d. Vacuole
3. Which of the following organelle is not present in an animal cell?
a. Ribosome
b. Plastid
c. Mitochondrial d. Nucleus
4. Plastid that is colourless is
a. Chromoplast b. Leucoplast
c. Chloroplast
d. Lysosome
5. Plant cell wall is mainly composed of
a. Cellulose
b. Lipid
c. Protein
d. Sugar
6. The infoldings of the inner membrane of mitochondria are known as
a. Stroma
b. Grana
c. Cristae
d. Oxysome
7. The site of aerobic respiration, in an animal cell, is
a. Ribosome b . Mitochondrial c. Chloroplast
d. Nucleus
8. Ribosomes are the site of
a. Protein synthesis b. Lipid synthesis c. Respiration
d. Photosynthesis
9. Which of the following statements is correct?
a. Prokaryotic cells are surrounded by a cell membrane b. Prokaryotic cells have a nucle
c. Eukaryotic cells have genetic information
d. Eukaryotic cells have membrane-
bound organelles
10. The membrane that surrounds the vacuole is
a. Tonoplast
b. Plasma membrane c. Cell wall
d. Nuclear membrane​

Answer 1

1. Ribosomes
2. Chloroplast
3. Plastid
4. Leucoplast
5. Cellulose
6. Cristae
7. Mitochondria.
8. Protein synthesis.
9. option D
10. Tonoplast.

Answer 2

1. Which of the following organelles is smallest in size?

a. Ribosome

b. Mitochondrial

c. Chloroplast

d. Lysosome

The Correct Option is...

✔ a. Ribosome

Explanation ⦂ Ribosomes are the smallest cell organelles. They are not membrane bound and have important role in synthesis of proteins.

2. Which of the following organelles have double membrane?

a. Chloroplast

b. Ribosome

c. Lysosome

d. Vacuole

The Correct Option is...

✔ a. Chloroplast

Explanation ⦂ Chloroplasts are cell organelles covered by a double membrane.

3. Which of the following organelle is not present in an animal cell?

a. Ribosome

b. Plastid

c. Mitochondrial

d. Nucleus

The Correct Option is...

✔ b. Plastid

Explanation ⦂ Plastid organelles are not present in animal cells.

4. Plastid that is colourless is

a. Chromoplast

b. Leucoplast

c. Chloroplast

d. Lysosome

The Correct Option is...

✔ b. Leucoplast

Explanation ⦂ Leucoplasts are the only colourless plastids. Their function mainly involves storage

5. Plant cell wall is mainly composed of

a. Cellulose

b. Lipid

c. Protein

d. Sugar

The Correct Option is...

✔ a. Cellulose

Explanation ⦂ Plant cell wall is mainly composed of Cellulose.

6. The infoldings of the inner membrane of mitochondria are known as

a. Stroma

b. Grana

c. Cristae

d. Oxysome

The Correct Option is...

✔ c. Cristae

Explanation ⦂ Cristae are folds in the inner membrane of a mitochondra.

7. The site of aerobic respiration, in an animal cell, is

a. Ribosome

b . Mitochondrial

c. Chloroplast

d. Nucleus

The Correct Option is...

✔ b . Mitochondrial

Explanation ⦂ The site of cellular respiration in animal cell is mitochondria.

8. Ribosomes are the site of

a. Protein synthesis

b. Lipid synthesis

c. Respiration

d. Photosynthesis

The Correct Option is...

✔ a. Protein synthesis

Explanation ⦂ Ribosomes are the site of Protein synthesis.

9. Which of the following statements is correct?

a. Prokaryotic cells are surrounded by a cell membrane

b. Prokaryotic cells have a nucleus

c. Eukaryotic cells have genetic information

d. Eukaryotic cells have membrane-bound organelles

The Correct Option is...

✔ d. Eukaryotic cells have membrane-bound organelles

Explanation ⦂ Eukaryotic cells have membrane-bound organelles.

10. The membrane that surrounds the vacuole is

a. Tonoplast

b. Plasma membrane

c. Cell wall

d. Nuclear membrane​

The Correct Option is...

✔ a. Tonoplast

Explanation ⦂ Tonoplast a membrane which bounds the chief vacuole of a plant cell.

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