CBSE NCERT Solutions for Class 9 Science Chapter 5

Free Download CBSE NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Page 59 or Page 61 or Page 63 or Page 65 and Exercises in English Medium or पेज 66 के उत्तर or पेज 68 के उत्तर or पेज 70 के उत्तर or पेज 73 के उत्तर and  अभ्यास के प्रश्न उत्तर  in PDF form to free download. Download NCERT Solutions for other subjects also based on latest NCERT Books.


CBSE NCERT Solutions for Class 9 Science Chapter 5

CBSE NCERT Solutions for Class 9 Science Chapter 5

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Page 59 Answers

NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Intext questions of page 59 are given below. Click for other questions of Page 61 or Page 63 or Page 65 or Exercises or go for Hindi Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Intext questions of page 59

Page 61 Answers

NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Intext questions of page 61 are given below. Click for other questions of Page 59 or Page 63 or Page 65 or Exercises or go for Hindi Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 The fundamental unit of life Intext questions of page 61



Page 63 Answers

NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Intext questions of page 63 are given below. Click for other questions of Page 59 or Page 61 or Page 65 or Exercises or go for Hindi Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 The fundamental unit of life Intext questions of page 63

Page 65 Answers




NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Intext questions of page 65 are given below. Click for other questions of Page 59 or Page 61 or Page 63 or Exercises or go for Hindi Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 Intext questions of page 65

Exercises Questions Answers

NCERT Solutions for Class 9 Science Chapter 5 The fundamental unit of life Chapter End Exercises are given below. Click for other questions of Page 59 or Page 61 or Page 63 or Page 65 or go for Hindi Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 The fundamental unit of life Chapter End Exercises



9 Science Chapter 5 The fundamental unit of life Chapter End Exercises solutions in english medium
9 Science Chapter 5 The fundamental unit of life Chapter End Exercises in pdf form

पेज 66 के उत्तर





NCERT Solutions for Class 9 Science Chapter 5 जीवन की मौलिक इकाई के पेज 66 के प्रश्न उत्तर नीचे दिए गए हैं. Click for other questions of पेज 68 के उत्तर or पेज 70 के उत्तर or पेज 73 के उत्तर or  अभ्यास के प्रश्न उत्तर  or go for English Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 page 66

पेज 68 के उत्तर




NCERT Solutions for Class 9 Science Chapter 5 जीवन की मौलिक इकाई के पेज 68 के प्रश्न उत्तर नीचे दिए गए हैं. Click for other questions of  पेज 66 के उत्तर or पेज 70 के उत्तर or पेज 73 के उत्तर or  अभ्यास के प्रश्न उत्तर  or go for English Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 page 68

पेज 70 के उत्तर




NCERT Solutions for Class 9 Science Chapter 5 जीवन की मौलिक इकाई के पेज 70 के प्रश्न उत्तर नीचे दिए गए हैं. Click for other questions of  पेज 66 के उत्तर or पेज 68 के उत्तर or पेज 73 के उत्तर or  अभ्यास के प्रश्न उत्तर  or go for English Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 page 70 questions answers in hindi

पेज 73 के उत्तर





NCERT Solutions for Class 9 Science Chapter 5 जीवन की मौलिक इकाई के पेज 73 के प्रश्न उत्तर नीचे दिए गए हैं. Click for other questions of  पेज 66 के उत्तर or पेज 68 के उत्तर or पेज 70 के उत्तर  or  अभ्यास के प्रश्न उत्तर  or go for English Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 page 73 questions answers

अभ्यास के प्रश्न उत्तर




NCERT Solutions for Class 9 Science Chapter 5 जीवन की मौलिक इकाई के अभ्यास के प्रश्न उत्तर नीचे दिए गए हैं. Click for other questions of  पेज 66 के उत्तर or पेज 68 के उत्तर or पेज 70 के उत्तर or पेज 73 के उत्तर or go for English Medium Solutions. Go back to Class 9 Science main page or move to Top of page.

9 Science Chapter 5 जीवन की मौलिक इकाई के अभ्यास के प्रश्न उत्तर
9 Science Chapter 5 in pdf form




9 Science Chapter 5 all questions guide free

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Class 9 Science – Biology



The Fundamental Unit of Life

Question 1:
Why are stem cell used in treatment of severe immunodeficiency disorder (SCID) in the children? Give three reasons.
Answer 1:
(i) These are capable of dividing for long periods to generate replacement for the cell which that cannot produce adenosine deaminase.
(ii) Stem cells can trigger immune response.
(iii) Stem cells can differentiate into white blood cells against the infectious diseases.

Question 2:
Why is the cell called the structural and functional unit of life?
Answer 2:
A cell is a smallest part of the living organisms which is fully alive and is capable of performing basic processes of life like, reproduction and respiration, therefore, it is called the structural and functional unit of life.

Question 3:
(a) Name a single cell which may constitute a whole organism. What are they called?
(b) Every multicellular organism has come from a single cell. Justify the statement.
Answer 3:
(a) Amoeba, They are called Unicellular organism.
(b) Single cell forms a zygote which is first cell formed after fertilization. It further leads to the formation of large number of cells by cell division.

Question 4:
Which functions are performed by a single cell organism like amoeba?
Answer 4:
A single cell takes in food, excrete waste, move, grow and reproduce.

Question 5:
Who discovered the cell and how?
Answer 5:
Robert Hooke saw the cork which resembled the structure of a honey comb consisting of many little compartments. He observed these through a microscope. He called these boxes as cell.

More Questions to Learn

Question 1:
Why is plasma membrane called a selective permeable membrane?
Answer 1:
It is because it allows only certain material to pass through it and not all the materials.

Question 2:
Can you name the two organelles which contains their own genetic material?
Answer 2:
(i) Mitochondria (ii) Chloroplast

Question 3:
How do substances like carbon dioxide and water moves in and out of the cell? Discuss.
Answer 3:
It takes place through diffusion from higher concentration to lower concentration across a cell membrane.

Question 4:
Where are proteins synthesized inside the cell?
Answer 4:
Packaging, storage and dispatching of the materials, synthesized inside the cell will not take place.

Question 5:
What will happen when a human red blood cells is placed in hypertonic salt/sugar solution?
Answer 5:
It will shrink, i.e., plasmolysis will take place.