[2 Mark Question Answer]

Question 12 Marks

Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters.

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Answer

A

J

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Vacuole, Leucoplast, Chromoplast, Nucleus, Plastid

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Question 22 Marks

State the difference between cytoplasm and protoplasm

Answer

Cytoplasm	Protoplasm
The living portion of the cell inside the cell except the nucleus	The living substance of a cell is called the protoplast
It has many finer parts contained in it like golgi bodies, mitochondria etc	It consists of two main parts: cytolasm and nucleus

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Question 32 Marks

The cell membrane is called selectively permeable. Why?

Answer

The cell membrane of the cell is composed of fine pores through which only certain molecules of the different substances can pass into the cell. Since it allows only specific molecules to enter prohibiting the other it is referred to as Selectively Permeable.

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Question 42 Marks

Why was the invention of the microscope so important to the study of living beings?

Answer

All living organisms, unicellular, or multicellular are made up of cells. Microscope makes it possible to see inside the cells that make up all living organisms. Without a microscope we could not see or understand, how life works. So the invention of the microscope made it possible to see the basic component of life.

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BIOLOGY [2 Mark Question Answer]

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