Cell Structure

Q.

Draw diagrams for Animal and Plant Cells.

Q.

What are the 3 main parts of a cell and their function?

Q.

What is the another name of cytoplasm

Q.

A rat is a small organism whereas an elephant is a big organism.Does being small affects the functioning of the organism?Give reasons

Q.

Question 3
Read the different combinations of terms given below:

(a) cell wall, cell membrane, nucleus, plastid
(b) cell wall, nucleus, ribosome, chromosome
(c) cell membrane, mitochondria, ribosome, chromosome
(d) cell membrane, ribosome, mitochondria, chloroplast

The correct combination of terms with reference to an animal cell is ___.

Q. What is cytoplasm and it's function?

Q.

Structures that are present in the cell which carry out specific functions are called ___________.

1. prokaryotes

2. cell membrane

3. cell wall

4. organelles

Q.

Why plasmolysis doesnt occur in dead plants?

Q. The size of cell in ant and an elephant are same or different?

Q.

Are the cells in an elephant larger than the cells in a rat?

Q.

The size of a cell in bigger bodies/animals cannot be necessarily bigger than a smaller body or animal. Justify the statement

Q.

A cell is able to survive when

1. Cytoplasm is removed

2. Both cytoplasm and nucleus are intact

3. Cytoplasm is removed keeping the nucleus and cell membrane intact

4. Nucleus is removed

Q. Question 38
Cells consist of many organelles, yet we do not call any of these organelles as structural and functional unit of living organisms. Explain.

Q.

The nucleus, ribosomes and lysosomes can be classified as:

1. organelles

2. the envelope of the cell

3. the cytoplasmic region

4. protoplasm

Q. Draw neat and labelled diagrams:

1. Fungi
2. Amoeba
3. Euglena
4. Bacteriophage

Q. What is cytoplasam ? What is it function

Q. Arrange the given organelle in ascending order based on their size.
P- chloroplast
Q- ribosome
R- nucleus
S- lysosomes

(A) Q, S, P, R
(B)Q, S, R, P
(C)R, P, S, Q
(D)R, P, Q, S

Q. Prokaryotes have a cell membrane.

1. False
2. True

Q. How did the nucleus achieved 2 layers?

Q. Which of the following organelle is not enclosed by a membrane?

1. Lysosome
2. Chloroplast
3. Ribosome
4. Vacuole

Q.

Organelle is a part of a cell that

1. does not exist

2. exists only in animal cells

3. transports all of the wastes out of a cell and lets only sugars enter

4. has a specific function

Q.

Are the cells in an elephant larger than the cells in a rat?

Q. When organs have similar functions, but different structure and organisation, they are called

1. Homologous organs
2. Vestigial organs
3. Analogous organs
4. None of these

Q.

Question 40
The size of the cells of an organism has no relation with the size of its body. Do you agree? Give reason for your answer.

Q. The egg of a hen is a
(a) cell.
(b) tissue.
(c) organ.
(d) organ system.

Q.

what is a cell?

how many types of cells are there?

Q.

All living cells are of the same shape and size.

1. False

2. True

Q. The fluid material filling the empty space of the cell is __________.

Q.

All living cells are of the same shape and size.

1. False

2. True

Q. What is palisade cell