Introduction to Cell

Q.

Are basophilic bacteria prokaryotes?

Q. define cytology

Q.

During telophase of cell division(mitosis), ER gives rise to materials of

1. Chromosomes

2. Plasma membrane

3. Nuclear envelope

4. All of the above

Q. Match the following:

$\begin{array}{cccc}& \text{Column-I}& & \text{Column-II}\\ \text{A.}& \text{Omnis cellula-e cellula}& \text{i.}& \text{Schwann}\\ \text{B.}& \text{Examined plant cells}& \text{ii.}& \text{Schleiden}\\ \text{C.}& \text{Nucleus}& \text{iii.}& \text{Virchow}\\ \text{D.}& \text{Observed the plasma membrane}& \text{iv.}& \text{Brown}\end{array}$

1. A-iii, B-ii, C-iv, D-i
2. A-iii, B-i, C-iv, D-ii
3. A-iii, B-ii, C-i, D-iv
4. A-i, B-ii, C-iii, D-iv

Q. Cytoplasm is the jelly-like semi-fluid matrix found inside a cell. It is composed of

1. water
2. cell organelles
3. micromolecules and macromolecules
4. all of the above

Q.

Cell is the basic unit of life. Discuss in brief.

Q.

What is the difference between virus and viroids?

Q.

Which of the following occupies maximum volume inside a eukaryotic cell?

1. Cytosol

2. Cytoplasm

3. Nucleus

4. Mitochondria

Q. Choose the function of pseudopodia of Amoeba other than locomotion.

1. Regeneration
2. Excretion
3. Engulfment of food material
4. Reproduction

Q. Most of the cellular activities mainly takes place in the _______.

1. organelles
2. nucleus
3. cytoplasm
4. cell membrane

Q. Which of the following structures is not found in prokaryotic cells?

1. Plasma membrane
2. Nuclear envelope
3. Ribosome
4. Mesosome

Q.

In the figure of prophase of mitosis, different parts are shown by alphabets. Choose the correct answer in which the alphabets are rightly matched with the parts mentioned

Prophase of Mitosis

Q. Cell is the basic unit of life. Discuss it in brief.

Q. Amoeba has irregular shape.

1. True
2. False

Q. The cell organelles are found in

1. Bacterial cells
2. Cyanobacterial cells
3. Prokaryotic cells
4. Eukaryotic cells

Q. Assertion(A) : Fine structure of the objects can be observed by transmission electron microscope
Reason(R) : Study of living cells cannot be done through TEM, because the high voltage it employs, kills the cells

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

Q. Robert Hooke observed

1. living cells
2. dead cells
3. enucleated cells
4. both b and c