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NCERT solutions for Class 9 Science Textbook chapter 5 - The Fundamental Unit of Life [Latest edition]

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Chapter 5: The Fundamental Unit of Life

NCERT solutions for Class 9 Science Textbook Chapter 5 The Fundamental Unit of Life [Page 61]

Q 1 | Page 61

How do substances like CO2 and water move in and out of the cell? Discuss.

Q 2 | Page 61

Why is the plasma membrane called a selectively permeable membrane?

NCERT solutions for Class 9 Science Textbook Chapter 5 The Fundamental Unit of Life [Page 63]

Q 1 | Page 63

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

  Prokaryotic cell Eukaryotic cell
1. Size: generally small ( 1-10 µm) 1 µm = 10-6 m Size: generally large (5-100 µm)
2. Nuclear region: ______________and is known as____ Nuclear region: well-defined and surrounded by a nuclear membrane
3. Chromosome: single More than one chromosome
4. Membrane-bound cell organelles are absent  _______________________________

NCERT solutions for Class 9 Science Textbook Chapter 5 The Fundamental Unit of Life [Page 65]

Q 1 | Page 65

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

Q 2 | Page 65

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

Q 3 | Page 65

Why are lysosomes known as suicide bags?

Q 4 | Page 65

Where are proteins synthesized inside the cell?

NCERT solutions for Class 9 Science Textbook Chapter 5 The Fundamental Unit of Life [Page 67]

Q 3 | Page 67

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

Q 4 | Page 67

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

Q 5 | Page 67

Which organelle is known as the powerhouse of the cell? Why?

Q 6 | Page 67

Where do the lipids and proteins constituting the cell membrane get synthesized?

Chapter 5: The Fundamental Unit of Life

NCERT solutions for Class 9 Science Textbook chapter 5 - The Fundamental Unit of Life

NCERT solutions for Class 9 Science Textbook chapter 5 (The Fundamental Unit of Life) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 9 Science Textbook solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science Textbook chapter 5 The Fundamental Unit of Life are Lysosomes, Mitochondria, Prokaryotic Cell and Eukaryotic Cell, Plasma Membrane Or Cell Membrane, Cell Wall, Nucleus, Cytoplasm, Cell Organelles, Endoplasmic Reticulum (Er), Golgi Apparatus, Cell Inclusion, What Are Living Organisms Made up Of?, What is Cell Made up Of? What is the Structural Organisation of a Cell?, Vacuoles, Plastids, Unicellular and Multicellular Organisms, Cell Division.

Using NCERT Class 9 solutions The Fundamental Unit of Life exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 9 prefer NCERT Textbook Solutions to score more in exam.

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