MEDIUM
9th CBSE
IMPORTANT
Earn 100

The inner membrane of the mitochondria is folded into many finger-like projections. Explain what would happen if the inner membrane was not folded?

Important Questions on The Fundamental Unit of Life

MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 3

The diagram shows an animal cell with some of its organelles. X is also a cell organelle.

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Which cell organelles found only in a plant cell are not shown in the diagram? 

MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 4

Cells grow by dividing. The picture shows one such growing cell ready to divide.

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How many cells will be formed after the cell divides completely? 

MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 5

Cells grow by dividing. The picture shows one such growing cell ready to divide.

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How many chromosomes will each daughter cell receive?

MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 7

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Which of these properties qualifies amoeba as eukaryotes?

MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 8

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What property of the plasma membrane helps amoeba acquire food?

EASY
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 9

The diagram shows a generalised animal cell. Which structure replicates during mitosis and generates the spindle?

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MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 10
A raisin placed in a concentrated salt solution, shrinks because
MEDIUM
9th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class IX>Chapter 5 - The Fundamental Unit of Life>Exercise>Q 11
Mass of raisins before and after placing them in pure water for some time is 20 gm and 25 gm. The percent water absorbed will be calculated by the formula