NCERT Class 9 Science The Fundamental Unit Of Life Questions

Read and download NCERT Class 9 Science The Fundamental Unit Of Life Questions in NCERT book for Class 9 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Science to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 9 Science Chapter 5 The Fundamental Unit Of Life

Class 9 Science students should refer to the following NCERT Book Chapter 5 The Fundamental Unit Of Life in Class 9. This NCERT Book for Class 9 Science will be very useful for exams and help you to score good marks

Chapter 5 The Fundamental Unit Of Life NCERT Book Class 9

THE FUNDAMENTAL UNIT OF LIFE

1. Which of the following can be made into crystal?

(a) A Bacterium

(b) An Amoeba

(c) A Virus

(d) A Sperm

2. A cell will swell up if

(a) The concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium

(b) The concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell

(c) The concentration of water molecules is same in the cell and in the surrounding medium

(d) Concentration of water molecules does not matter

3. Chromosomes are made up of

(a) DNA

(b) protein

(c) DNA and protein

(d) RNA

4. Which of these options are not a function of Ribosomes?

(i) It helps in manufacture of protein molecules

(ii) It helps in manufacture of enzymes

(iii) It helps in manufacture of hormones

(iv) It helps in manufacture of starch molecules

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (iv) and (i

5. Why are lysosomes known as ‘suicide-bags’ of a cell?

6. Do you agree that “A cell is a building unit of an organism”. If yes, explain why?

7. Why does the skin of your finger shrink when you wash clothes for a long time?

8. Why is endocytosis found in animals only?

9. A person takes concentrated solution of salt, after sometime, he starts vomiting. What is the phenomenon responsible for such situation? Explain.

10. Name any cell organelle which is non membranous.

11. We eat food composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals and water. After digestion, these are absorbed in the form of glucose, aminoacids, fatty acids, glycerol etc. What mechanisms are involved in absorption of digested food and water?

12. If you are provided with some vegetables to cook. You generally add salt into the vegetables during cooking process. After adding salt, vegetables release water. What mechanism is responsible for this?

13. If cells of onion peel and RBC are separately kept in hypotonic solution, what among the following will take place? Explain the reason for your answer.

(a) Both the cells will swell.

(b) RBC will burst easily while cells of onion peel will resist the bursting to some extent.

(c) a and b both are correct.

(d) RBC and onion peel cells will behave similarly.

14. Bacteria do not have chloroplast but some bacteria are photoautorophic in nature and perform photosynthesis. Which part of bacterial cell performs this?


Please refer to attached file for NCERT Class 9 Science The Fundamental Unit Of Life Questions

NCERT Book Class 9 Science Chapter 5 The Fundamental Unit Of Life

The above NCERT Books for Class 9 Science Chapter 5 The Fundamental Unit Of Life have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 5 The Fundamental Unit Of Life Science Class 9 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 5 The Fundamental Unit Of Life NCERT etextbooks as the exams for Class 9 Science are always asked as per the syllabus defined in these ebooks. These Class 9 Chapter 5 The Fundamental Unit Of Life book for Science also includes collection of question. Along with Science Class 9 NCERT Book in Pdf for Chapter 5 The Fundamental Unit Of Life we have provided all NCERT Books in English Medium for Class 9 which will be really helpful for students who have opted for english language as a medium. Class 9 students will need their books in English so we have provided them here for all subjects in Class 9.

Where can I download latest NCERT Book for Class 9 Science Chapter 5 The Fundamental Unit Of Life

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Can I download the NCERT Books of Class 9 Science Chapter 5 The Fundamental Unit Of Life in Pdf

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