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English 12 Public

Plant Reproduction, simple machines

Study Slideshow

How are dandelion seeds dispersed?

Wind

How are coconuts dispersed?

Water

Which part of the plant uses sunlight to make food?

Leaf

Which part of the plant absorbs water and nutrients?

Roots

Lotus is water pollinated flower. True or False.

False

Is Maize wind pollinated flower? Yes or No

Yes

This simple machine helps force objects apart.

Wedge

This simple machine uses a wheel to change its direction of force.

Pulley

A catapult is which type of simple machine?

Lever

Driveways, escalators and stairs -are all real life examples of which type of simple machine?

Inclined planes

Skateboards, rolling pins and doorknobs are examples of which type of simple machine?

Wheel and axle

Which simple machine is used by the man which will enable him to lift 200 kgs?

Pulley