Fundamental Unit of Life Class 9 Extra Questions

Given below are the Fundamental Unit of Life Class 9 Extra questions
(a)Multiple Choice questions
(b) Vey Short questions
(c) Short answer questions
(d) Long answer questions
Hope you like them and do not forget to like , social share and comment at the end of the page.

Multiple Choice questions

Question 1
The largest cell in the human body is -
(a)Nerve cell
(b) Muscle cell
(c)Liver cell
(d)Kidney cell

Question 2
Who discovered Golgi Apparatus?
(a)Camillo Golgi.
(b) Robert Hooke
(c) A.V. Leeuwenhoek
(d) None of the above

Question 3
Which of the following cellular part possess a double membrane?
(b) Chloroplast
(d)All of the above

Question 4.
Karyotheca is another name of -
(a)Nuclear envelope
(b) Nucleus
(c)Nuclear pores

Question 5.
Intercellular connections of plant cells are called -
(a)Middle lamella
(b)Micro fibrils

Very Short Answer

Question 5.
Name the Reticulum which has ribosome’s attached to it.
Question 6.
Name a cell that does not have a nucleus, what are they called?
Question 7.
What is Biogenisis?
Question 8
Name the cell organelle which is involved in the formation of lysosomes.
Question 9
What is the shape of Nucleus?
Question 10
What is Endosmosis?
Question 11
Who discovered Protoplasm?
Question 12.
The word cell was derived from a Greek word _____which means small room
Question 13.
Name the person who first coined the term 'Cell'
Question 14 .
What will happen to a cell if its nucleus is removed?
Question 15.
Give 5 examples of single celled organisms.
Question 16.
What are multicellular organisms ? Give an example.
Question 17
The cell organelle which is commonly referred as the suicidal bags of the cell.
Question 18
What is the Study of structure and composition of cell is called ?
Question 19.
What are the chromosomes made up of?

Short Answer type

Question 20
Define plasmolysis.

Question 21
Why is endocytosis found in animals only?

Question 22
Differntiate between diffusion and osmosis.

Question 23
How does an Amoeba obtain its food?

Question 24
What is membrane biogenesis? How is plasma membrane formed during  this process?

Long Answer type

Question 25.
(a)Membrane biogenesis and its significance
Question 26
Differentiate between
(a)Nuclear region of bacterian cell and nuclear region of animal cell
(b)Cork and epidermis
(c)Osmosis and diffusion
(d)Chromatin and chromosome
(e)Cells of meristematic tissue and cels of permanent tissue
(f)Bone and cartilage
Question 27.
(i)Draw and label the parts of a prokaryotic organism that does not have a well-defined nucleus.
(ii)Describe any three structures of the prokaryotic cell you drew in a) How do the structure differ from those in a eukaryotic cell?
Question 28.
Discuss the contribution of the following scientists to the field of biology:
(a)Robert Hooke
(b)Robert Brown
(d) Rudolf Virchow
(e)Watson and Crick


This Class 9 Science Fundamental Unit of Life Extra questions is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.

link to this page by copying the following text
Also Read

Class 9 Maths Class 9 Science

Latest Updates
Synthetic Fibres and Plastics Class 8 Practice questions

Class 8 science chapter 5 extra questions and Answers

Mass Calculator

3 Fraction calculator

Garbage in Garbage out Extra Questions7