Prokaryotic & Eukaryotic Cells

Q. If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?

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.

A well-defined nucleus is absent in

1. Plant cell

2. Animal cell

3. Eukaryotic cell

4. Prokaryotic cell

Q. ___

cells lack a nuclear membrane.

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

1. Nucleus

2. Mitochondria

Q.

In which of the following organisms the nuclear material is not bound by a membrane?

1. Fungi

2. Humans

3. Bacteria

4. Amoeba

Q. The projections of varying shapes extending out of amoeba are called

1. Pseudopodia
2. Outburst
3. Mastoid
4. Outgrowth

Q. The projections of varying shapes extending out of amoeba are called

1. Pseudopodia
2. Outburst
3. Mastoid
4. Outgrowth

Q. Which of the following statement is incorrect?

1. The largest cell is the egg of an ostrich.
2. Nerve cells are some of the smallest cells.
3. Mycoplasma is the smallest cell $\left(0.3\mu m\right)$.
4. Bacteria are 3 to 5 $\mu m$ in size.

Q. What is A and B?

1. A- Nucleoid, B- Nucleus
2. A- Nucleoid, B- Ribosome
3. A- Ribosome, B- Nucleus
4. A- Ribosome, B- Nucleoid