MEDIUM
9th CBSE
IMPORTANT
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What are the differences between the plasma membrane and cell wall?

Important Questions on The Fundamental Unit of Life

MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 14
What is the difference between plasma membrane and cell wall? Give the functions of each one.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 15
Categorise the cells on the basis of presence or absence of nuclear membrane.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 16
Where are chromosomes located? What are they composed of? What is chromatin material and how does it change just before the cell divides?
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 17
What does DNA molecule contain? Name the functional segment of DNA. In which form DNA is present in a cell if cell is not dividing?
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 18
What will happen to the cell if its nucleus is removed? Support your answer with reason.
EASY
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 19
What are chromosomes? Give their chemical composition.
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 20
What type of enzymes are present in the lysosomes? What is their function? Which cell organelles manufacture these enzymes?
MEDIUM
9th CBSE
IMPORTANT
Biology for Class IX>Chapter 2 - The Fundamental Unit of Life>Exercise>Q 21
Draw a well labelled diagram of nucleus.