Prokaryotic & Eukaryotic Cells

Q.

Why cells are called building blocks of life?

Q. Give three difference between prokaryotic and eukaryotic

Q.

Viruses lack cellular machinery and hence do not show any characteristics of life until they enter a living body/host and use the host cell to multiply.

1. Nucleus

2. Mitochondria

Q.

Select the correct option regarding mesosomes.

Mesosomes are the infoldings of the cell membrane, which

(i) are present in both prokaryotic and eukaryotic cells.

(ii) help in cell wall formation, DNA replication, and respiration.

(iii) increase the surface area of the plasma membrane.

1. ii) and iii).

2. i) and ii).

3. i) and iii).

4. i), ii) and iii).

Q.

Bacteria do not have a nucleus. Since the nucleus contains DNA, it can be concluded that bacteria do not contain DNA.

1. False

2. True

Q.

Who discovered chloroplasts?

Q.

What is the size range of a eukaryotic cell?

Q. Prokaryotic cells do not have a .

1. ribosome
2. plasma membrane
3. nucleus
4. DNA

Q.

Are humans eukaryotes?

Q.

Viruses are non-cellular organisms.

1. True
2. False

Q.

What important advantage is provided by the membrane bound cell organelles in eukaryotic cells?

1. These organelles provide beauty to the cell.

2. Membrane bound organelles prevent cells from interacting with each other.

3. The membrane bound organelles allow cellular processes to be carried out efficiently in isolation from each other

4. These organelles restrict the movement of various parts of the cell.

Q.

Does a bacterial cell have a cell membrane?

Q.

Which of the following organelles is/are present both in prokaryotes and eukaryotes?

1. Endoplasmic reticulum

2. Mitochondria

3. Ribosomes

4. Plasmids

Q. Viruses lack cellular machinery until they enter a living host and multiply.

1. Nucleus

2. Mitochondria

Q.

Do Prokaryotic cells have mitochondria?

Q.

Which of the following cell organelles are non-membranous and found in both prokaryotic and eukaryotic cells?

1. Lysosomes

2. Vacuoles

3. Ribosome

4. Mitochondria

Q.

What are the parts and function of a prokaryotic cell?

Q.

Unlike the division of labour seen in the multicellular organisms, there is no division of labour within a single cell.

1. True

2. False

Q.

There is a type of cells that are devoid of membrane-bound organelles. They are called ___ cells

Q.

Which type of DNA is found in bacteria?

Q. The plastids which store proteins are known as________.

1. Amyloplast
2. Elaioplast
3. Proteinoplast
4. Leucoplast

Q.

Which is the location of electron transport systems in prokaryotes?

Q.

A yeast cell differs from a bacterial cell as it is

1. Eukaryotic

2. Multicellular

3. Unicellular

4. Prokaryotic

Q. Which of the following cells are oval shaped?

1. Amoeba
2. White blood cells
3. Nerve cells
4. Chlamydomonas

Q. Difference between Prokaryotic cell and Eukaryotic cell.

Q.

What are the 3 characteristics of prokaryotes?

Q.

Assertion: Eukaryotic cells have more DNA than prokaryotic cells.
Reason: Eukaryotic cells are genetically more complex than prokaryotic cells.

1. Both the assertion and reason are true and the reason is the correct explanation for assertion.
2. Both the assertion and reason are true and the reason is not the correct explanation for assertion.
3. If the assertion is true but the reason is false.
4. Both the reason and assertion are false.

Q.

Identify:the undefined nuclear region of prokaryotic cell

Q. Which of the following types of plastid does not contain stored food material?

1. Amyloplast
2. Chromoplast
3. Elaioplasts
4. Aleuroplast

Q. What does a prokaryotic cell lack?

1. cell wall
2. cell membrane
3. lysosomes
4. ribosomes