Cell Structure

Q.

What is the function of nucleolus ?

Q.

Which of the following organelle is a site for protein synthesis?

1. Lysosomes

2. Nucleus

3. Ribosomes

4. Mitochondria

Q. is present in both plant and animal cell.

1. Cell wall
2. Plasma membrane
3. Chloroplast

Q.

What is a plastid ?

Q.

Where Are Ribosomes Located In The Rough Endoplasmic Reticulum?

Q.

Where are proteins synthesized in the cell

Q.

Which of the following organelles is not membrane-bound?

1. Ribosome

2. Nucleus

3. Mitochondria

4. Chloroplast

Q.

Which part of the plant is affected by $S{O}_2$ pollution?

1. Mitochondria

2. Lysosome

3. Chloroplast

4. E.R.

Q. The membrane-bound structures present in the cell which carry out specific functions are called ___________.

1. organelles
2. prokaryotes
3. cell membrane
4. cell wall

Q.

____ is a double-membrane bounded cell organelle present in eukaryotic cells.

1. Characters that are not expressed

2. Characters that are passed from one generation to the other

3. Characters that are not carried by genes

4. None of the above

Q.

What is plastid ?

Q. Match the following organelles with their roles in a cell.

1. Headquarter
2. Suicidal bag
3. Post office
4. Power house

Q.

The basic differences between prokaryotic and eukaryotic cells are

1. Prokaryotes do not have a definite nucleus

2. Eukaryotes have membrane bound organelles

3. Both A and B

4. None of the above

Q. Structures present in the cell which carry out specific functions are called___________.

1. cell wall

2. organelles

3. prokaryotes

4. cell membrane

Q. State whether the following statement is true (T) or False (F) :
Plant cells contain large vacuoles.

1. True
2. False

Q. What is the function of a cell wall? [2 marks]

Q. I am located in between the plasma membrane and the nucleus. I am made up of carbohydrates and proteins. Organelles and lipid droplets are present in me. Who am I?

1. Ribosome
2. Cytoplasm
3. Lysosome
4. Mitochondria

Q.

The fluid present between the cell membrane and the nucleus is called

1. Nucleoplasm

2. Cytoplasm

3. Protoplasm

4. Serum

Q. How does nucleolus synthesis ribosome

Q. Plastids are present only in ______cells.

1. Plant
2. Animals
3. Birds
4. Fishes

Q. Match column I with column II and select the correct option from the codes given below.

Column I	Column II
A. Chloroplasts	(i) Colourless plastids
B. Chromoplasts	(ii) Yellow, orange or red coloured plastids
C. Leucoplasts	(iii) Green plastids

1. $A-\left(iii\right),B-\left(i\right),C-\left(ii\right)$
2. $A-\left(iii\right),B-\left(ii\right),C-\left(i\right)$
3. $A-\left(i\right),B-\left(ii\right),C-\left(iii\right)$
4. $A-\left(i\right),B-\left(iii\right),C-\left(ii\right)$

Q. Mycoplasma Have cell membrane ?

Q.

Which of the following organelles is semiautonomous (semi-independent)?

1. Mitochondria

2. Ribosomes

3. Both (a) and (c)

4. Chloroplast

Q. Cells which do not have a nuclear membrane are called ____.

1. eukaryotic cells
2. prokaryotic cells
3. multicellular
4. unicellular

Q. With the help of examples, show the variation in shapes & siges of cells.

Q.

___ is the jelly-like substance between the nucleus and the cell membrane.

1. Lysosomes

2. Cytoplasm

3. Ribosomes

4. Mitochondria

Q. Why are ribosomes called organelle within organelle??

Q. A single large central vacuole occurs in

1. Mature animal cells
2. Mature plant cells
3. Developing animal cells
4. Developing plant cells

Q.

Structures present in the cell which carry out specific functions are called___________.

1. organelles

2. prokaryotes

3. cell membrane

4. cell wall

Q.

The simplest way to distinguish a prokaryotic cell from a eukaryotic cell is to check for :

1. A plasma membrane

2. DNA

3. A nucleus

4. Central core proteins