Page 1 - Home Assignment - II

SAI International School
Subject - Biology, Class VIII
Topic - Cell: Structure and Function

Subtopic - Basic parts of the Cell
Module - 8

Home Assignment – II
Worksheet 1

1. Which of the following human cell does not have definite shape?
a) Amoeba b)WBC c)RBC d) Bone cells

2. Which of the following does not belong to animal cells?
a) Plasma membrane b) Cytoplasm c) Cell wall d) Nucleus

3. Which of the following stain is used for making slide of onion peel cells?
a) Ethanol b) Eosin c) Methylene blue d) Safranin

4. Assertion (A): Nerve cells are long and branched.
Reason (R): Nerve cells transfer information from all body parts to brain and
vice versa.

a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If Assertion is incorrect but Reason is correct.

5. Assertion (A): cell wall is present in plant cells.
Reason (R): Cell wall is permeable.
a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If Assertion is incorrect but Reason is correct

6. a) Why are cells structural and functional units of living organisms?
b) State two functions of pseudopodia.

7. a) Draw the diagram of nerve cell.
b) Why is the shape of nerve cells long and branched?

8. a) Why are the cells stained during slide preparation? Name the stain used for
animal cells.
b) What is the outermost layer of cheek cells called? State any two functions
performed by it. How does it differ from the cell wall present in plant cells?

9. a) Is division of labour applicable to unicellular organisms? Justify your answer.
b) Do big organisms have bigger cells than small organisms? Justify your answer.