EASY
9th CBSE
IMPORTANT
Earn 100

Give scientific reason for the following.

Lysosomes remove the organic debris.

Important Questions on Cell—Fundamental Unit of Life

EASY
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 67

Give scientific reason for the following.

Plastids are the energy factories of the plant cell.

EASY
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 68
Potatoes are generally brown in colour. But, we find some green areas on potatoes. Give reason.
EASY
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 69
What happens when Rhoeo leaf is placed in boiling water and later transferred to strong sugar solution.
MEDIUM
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 70
Why is salt added to the vegetables with high water content before cooking?
MEDIUM
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 71
Kidney beans are soaked overnight before cooking. What is the observation you find after soaking?
MEDIUM
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 71
Kidney beans are soaked overnight before cooking. Name the phenomenon involved in the above observation. Explain the reason.
MEDIUM
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 71

Kidney beans are soaked overnight before cooking. Do you find the same change when a raw egg is placed in water? Justify that.

MEDIUM
9th CBSE
IMPORTANT
Pearson IIT Foundation Biology>Chapter 1 - Cell—Fundamental Unit of Life>PRACTICE QUESTIONS>Q 72
In an experiment, red blood cells of humans and cells of thin onion peel are kept in water separately. What observation do you find? Why?