Cell size, shape and number — task. Science CBSE Homework Assignments, Class 9.

Read out the given sentences and choose the correct one.

1.

If a cell is smaller it has more volume and more surface area
Size of a cell varies from centimetres to metres

2.

Microvilli foldings decreases the surface area for absorption.
Microvilli foldings increases the surface area for absorption.
Microvilli has more than one nuclei.

3.

Never cells are about one metre in length.
Nerve cells are about one millimetre in length.

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