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Cell structure and functions Class 8 CBSE Extra Questions



In this page we have Cell structure and functions Class 8 CBSE Extra Questions . Hope you like them and do not forget to like , social share and comment at the end of the page.

Short answer type questions/HOTS:

Question 1.
Short answer type questions:
(i)What is cell division?
(ii)Which part of the cell is called the powerhouse of the cell?
(iii)Name the scientist who discovered the three-dimensional helical model of the DNA.
(iv)What is the full form of DNA?
(v) What are genes?

Question 2.
In a biology laboratory, Amelia noticed a unfertilized egg of an ostrich which is a largest cell but she didn't see the smallest cell with naked eye. How can she see one cell but not the other? Explain your response specifically.

Question 3.
Which part of the cell is called its boundary which is responsible for the entry and exit of the components inside and outside the cell?

Question 4.
What do you understand by the term “Cytoplasm”? Explain its function.

Question 5.
Explain the postulates of the cell theory.

Question 6.
Distinguish between unicellular and multicellular organisms.

Long answer type questions:

Question 7.
Draw a well-labelled diagram of Amoeba.

Question 8.
Draw a well-labelled diagram of a plant cell.

Question 9.
Draw a well-labelled diagram of animal cell.

Question 10.
Distinguish between animal and plant cell.

Question 11.
Describe the function of the following cell organelles:


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