CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G

Access the latest CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G. We have provided free printable Class 9 Science worksheets in PDF format, specifically designed for Chapter 5 The Fundamental Unit of Life. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 5 The Fundamental Unit of Life Science Practice Worksheet for Class 9

Students should use these Class 9 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 5 The Fundamental Unit of Life, to help you prepare for school tests and final examination. Regular practice of these Class 9 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 9 Science Chapter 5 The Fundamental Unit of Life Worksheet PDF

Question. The first person to observe a cell under microscope was
(A) M. Schleiden
(B) T. Schwann
(C) Robert Hook
(D) A.V.Leeuwenhoek
Answer : C

Question. Which of the following is the longest cell of animal kingdom?
(A)Bacteria
(B) Nerve cell
(C) Virus
(D) Muscle cell
Answer : B

Question. Plasma membrane is made up of
(A) Proteins and carbohydrates1
(B) Proteins and lipids
(C) Proteins and nucleic acids
(D) Proteins, some nucleic acids and lipids
Answer : B

Question. The word cell was coined by
(A) Robert hooke
(B) Weismann
(C) Cuvier
(D) Darwin
Answer : A

Question. Nucleus discovered by
(A) Robert Hooke
(B) Robert Brown
(C) Dujardin
(D) Purkinje
Answer : B

Question. Plant cell wall is mainly composed of
(A) Sugars
(B) Cellulose
(C) Proteins
(D) lipids
Answer : B

Question. Plasma membrane is –
(A) Impermeable
(B) formed of cellulose
(C) selectively permeable
(D) nonselective
Answer : C

Question. Cell theory was propounded by
(A) Morgan
(B) Halden
(C) Schleiden and Schwann
(D) Robert Hooke
Answer : C

Question. Smallest cells so far known are
(A) Bacteria
(B) blue green algae
(C) PPLOs
(D) human egg
Answer : C

Question. Which one of the following is an example of prokaryotic cell?
(A)Typical plant cell
(B) Typical animal cell
(C) Bacteria
(D) None of these
Answer : C

Question. What is cytology?
(A) Study of cytoplasm
(B) Study of structure and composition of cell
(C) Study of animal cell only
(D) Study of cell only
Answer : B

Question. Ribosome was named by –
(A) Palade
(B) Porter
(C) de Duve
(D) Koliker
Answer : A

Question. Nucleus was discovered of
(A) Robert Brown
(B) Robert Hooke
(C) A.V. Leeuwenhoek
(D) Schwann
Answer : A

Question. A solution is said to be hypotonic when
(A) Concentration of medium is higher than that of the cell
(B) Concentration of medium is equal to that of the cell
(C) Concentration of medium is lower than that of the cell
(D) None of the above are correct.
Answer : C

Question. Cell wall shows
(A) Complete permeability
(B) semipermeability
(C) Differential permeability
(D) impermeability
Answer : A

Question. Ribosome consist of –
(A) DNA and protein
(B) RNA and protein
(C) RNA and amino acids
(D) RNA and DNA
Answer : B

THE FUNDAMENTAL UNIT OF LIFE

1 What is a cell and who discovered?
 
2 Name the three important parts of a typical cell. Give one important function of each of them.
 
3 1. What is the difference between plasma membrane and cell wall?
 
2. Cell membrane is known as “selectively permeable membrane”. Give reason
 
4 Define the following
 
1. Osmosis with an example
 
2. Diffusion with an example
 
3. Plasmolysis
 
5 What will happen if
 
1. A cell contains higher water concentration than the surrounding medium.
 
2. A cell having lower water concentration than the surrounding medium.
 
3. A cell having same water concentration on both the sides.
 
6 Where do the lipids and proteins constituting the cell membrane get synthesized?
 
7 1. What are the functions of chromosomes?
 
2. Where are genes located?
 
3. Write the full form of DNA
 
8 Enumerate the difference between a prokaryotic and Eukaryotic cell.
 
9 1. What is the importance of a nucleus.
 
2. Write one important function of mitochondria.
 
3. Which cell organelle is called “kitchen “ of the cell?
 
10 Describe the structure of a plastid. Name the types of plastids and write the functions of each.
 
11 Why the cell is called the structural and functional unit of life?
 
12 How do substances like CO2 and water move in and out of the cell? Explain
 
13 1. Name two organelles that contain their own genetic material.
 
2. Where are protein synthesized inside the cell?
 
14 What would happen if the plasma membrane ruptures or breaks down?
 
15 Why are lysosomes known as the “suicide bag” of the cell?
 
16 1. Give two examples of the organelles absent in animal cells but are present in plant cells.
 
2. Write one function of each 1. Cell wall 2. ER
 
17 Define the term Endocytosis with an example.
 
18 Why does the skin of your finger shrink when you wash clothes for a long time?
 
19 Draw a well labeled diagram of a prokaryotic cell.
 
20 Draw a well labeled diagram of a typical plant cell.

 

Please click on below link to download CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G

Chapter 5 The Fundamental Unit of Life CBSE Class 9 Science Worksheet

Students can use the Chapter 5 The Fundamental Unit of Life practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 9 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 5 The Fundamental Unit of Life

Our expert team has used the official NCERT book for Class 9 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 9, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 9 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G?

You can download the teacher-verified PDF for CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G from StudiesToday.com. These practice sheets for Class 9 Science are designed as per the latest CBSE academic session.

Are these Science Class 9 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 9.

Do you provide solved answers for CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G?

Yes, we have provided detailed solutions for CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G to help Class 9 and follow the official CBSE marking scheme.

How does solving CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 9 students get more marks in CBSE exams.

Is there any charge for the Class 9 Science practice test papers?

All our Class 9 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 9 Science Fundamental Unit of Life Worksheet Set G without any registration.