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Class 9 5. The Fundamental Unit of Life Additional -Questions: NCERT Book Solutions


Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams.

NCERT Solutions

All chapters of ncert books Science 5. The Fundamental Unit of Life Additional -Questions is solved by exercise and chapterwise for class 9 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.

Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams. - 5. The Fundamental Unit of Life - Additional -Questions: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 5. The Fundamental Unit of Life : Additional -Questions Science class 9th:English Medium NCERT Book Solutions. Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams.

 

5. The Fundamental Unit of Life : Additional -Questions Science class 9th:English Medium NCERT Book Solutions

Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams. - 5. The Fundamental Unit of Life - Additional -Questions: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 5. The Fundamental Unit of Life : Additional -Questions Science class 9th:English Medium NCERT Book Solutions.

Class 9 5. The Fundamental Unit of Life Additional -Questions: NCERT Book Solutions

NCERT Books Subjects for class 9th Hindi Medium

Page 3 of 5

5. The Fundamental Unit of Life

 

Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams.

Additional -Questions

Nucleus – Nucleus is a largest cell organelle which consists inside the cell. Nuclei are found in all eukaryotic cells. It contains chromatin.

Cytoplasm –

Ribosomes : They are extremely small round bodies present either in free state in the cytoplasm.

Functions :

  1.  it is responsible for synthesis of proteins from amino-acid.
  2. They provide a surface for bio-chemical activities of the cell.                          

Q – Distinguish between plant and animal cell.

A –

Plant cell

Animal cell

  1. It has cell wall.
  2. Chloroplast is present.
  3. Vacuoles are large in size.
  4. The process of photosynthesis occurs in it.
  1. It has not cell wall.
  2. Chloroplast is not present.
  3. Vacuoles are mostly absent or present is very small size.
  4. The process of photosynthesis doesn’t occur in it.

 

Q – write the differences between prokaryotic cell and Eukaryotic cell.

prokaryotic cell

Eukaryotic cell

  1.  It is often small in size.
  2. Nucleus membrane is absent.
  3. It has one chromosome.
  4. There mostly cell organelles are absent. 

 

  1. Example. Yeast cell
  1. It is often large in size.
  2. Nucleus membrane is present.
  3.  It has more than one chromosomes.
  4. There mostly cell organelles are present.
  5. Example: All multicellular organism.

 

Q – How does an Amoeba obtain its food?

A – Amoeba obtains its food by the process of endocytosis, in which it take food from outside by the help of its body surface. It encloses the food by plasma membrane. It engulfs the food and digest it.

Q – Why is plasma membrane is called selectivity permeable membrane?

A – The plasma membrane allows or permits the entry and exit of some material in and out of the cell, therefore it is called a selectivity permeable membrane.

Q – What is Osmosis?

A – Water also obeys the law of diffusion. The movement of water molecules through such a selectively permeable membrane is called Osmosis.

 

 

 

Page 3 of 5

Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams.

See other sub-topics of this chapter:

1. Chapter Review

2. Text-book Questions

3. Additional -Questions

4. Additional -Questions 2

5. Assignment

Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams. - 5. The Fundamental Unit of Life - Additional -Questions: NCERT Book Solutions for class 9th. All solutions and extra or additional solved questions for 5. The Fundamental Unit of Life : Additional -Questions Science class 9th:English Medium NCERT Book Solutions. Class 9 chapter 5. The Fundamental Unit of Life important extra short questions with solution for board exams and term 1 and term 2 exams.

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NCERT Solutions

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Notes And NCERT Solutions

Our NCERT Solution and CBSE Notes are prepared for Term 1 and Terms 2 exams also Board exam Preparation.

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Science Chapter List

  • 1. Matter in Our Surroundings

  • 2. Is Matter around us Pure

  • 3. Atoms and Molecules

  • 4. Structure of The Atom

  • 5. The Fundamental Unit of Life

  • 6. Tissues

  • 7. Diversity in Living Organisms

  • 8. Motion

  • 9. Force and Laws of Motion

  • 10. Gravitation

  • 11. Work and Energy

  • 12. Sound

  • 13. Why Do We Fall ill

  • 14. Natural Resources

  • 15. Improvement in Food Resources


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