NCERT Solutions for Class 9 Science Chapter 5 – The Fundamental Unit of Life – eSaral
Hey, are you a class 9 student and looking for ways to download NCERT Solutions for Class 9 Science Chapter 5 “The Fundamental Unit of Life”? If yes. Then read this post till the end.

In this article, we have listed NCERT solutions for class 9 Science Biology Chapter 5 in PDF that is prepared by Kota’s top Doctor Faculties by keeping Simplicity in mind.

If you want to learn and understand class 9 Science chapter 5 “The Fundamental Unit of Life” in an easy way then you can use these solutions PDF.

NCERT Solutions helps students to Practice important concepts of subjects easily. Class 9 Science solutions provide detailed explanations of all the NCERT exercise questions that students can use to clear their doubts instantly.

If you want to score high in your class 9 Science Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.

So, without wasting more time Let’s start.

### Download The PDF of NCERT Solutions for Class 9 Science Chapter 5 “The Fundamental Unit of Life”

Download The PDF of NCERT Solutions for Class 9 Science Chapter 5 “The Fundamental Unit of Life”

### Important topics of class 9 Science Chapter 5

• What is the Structural Organization of a Cell?
• The Fundamental Unit of Life
• What is a Cell Made Up of?
• What are Living Organisms Made Up of?

#### All Questions of Chapter 5

Once you complete the chapter 5 then you can revise it by solving following questions.

Q1. Who discovered cell and how ?

Q2. Why is the cell called structural and functional unit of life?

##### Part 2

Q1. How do substances like $\mathrm{CO}_{2}$ and water move in and out of the cell?

Q2. Why is plasma membrane called selectively permeable membrane?

##### Part 3

Q1. Fill in the gaps in the following table illustrating differences between prokaryotic and eukaryotic cells.

##### Part 4

Q1. Can you name the two organelles we have studied that contain their own genetic material?

Q2. If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?

Q3. Why are lysosomes known as suicidal bags ?

Q4. Where are proteins synthesized inside the cell ?

##### Exercise

Q1. Make a comparison and write down ways in which plant cells are different from animal cells.

Q2. How is a prokaryotic cell different from a eukaryotic cell?

Q3. What would happen if the plasma membrane ruptures or breaks down ?

Q4. What would happen to the life of a cell if there was no Golgi apparatus ?

5. What organelle is known as power house of the cell ? Why ?

Q6. Where do the lipids and proteins constituting the cell membrane get synthesised ?

Q7. How does Amoeba obtain food ?

Q8. What is osmosis ?

Q9. Carry out the following osmosis experiment. Take four peeled potato halves and hollow each one out to make potato cups. One of these potato cups should be made from the boiled potato. Put each potato cup in the trough containing water. Now (a) Keep cup A empty. (b) Put one tea spoon sugar in cup B. (c) Put one tea spoon of salt in cup C. (d) Put one tea spoon sugar in boiled cup D. Keep this set up for two hours. Then observe the four potato cups and answer the following:
(i) Explain why water gathers in the hollowed portion of B and C.
(ii) Why is potato A necessary for this experiment.
(iii) Explain why water does not gather in the hollowed out portion of A and D.