Free Printable World Science

Worksheets

Name

Class

Date

What is a cell?

The biggest functional unit of life

The smallest functional and structural unit of life

The smallest unit of structure

None of these

Who discovered cell?

Rudolf Virchow

Robert Brown

Robert Hooke

Mitthias Jacob schleiden

What is Gaurd Cell?

Cell that protects other cells

Cell that simulates the openings of a leaf

Cell that protects a bacteria

None of these

Select the correct option

Aerobic respiration requires oxygen

Anaerobic respiration requires oxygen

None of these

Aerobic respiration requires carbon dioxide

Reset

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