PLANTS: Primary 4

Plants response to stimuli. Choose the correct stimuli of plants.

• water, light

• water, light, gravity

• water

• water, light, gravity, touch

The parts of plants that response to stimuli are...

• root, stem, leaves

• root, leaves, fruits

• root, flower, shoot

• root, shoot, leaves

Observe the picture carefully. The root respond to ________ and ________

• light and water

• water and touch

• water and soil

• water and gravity

Leaves also respond towards touch. Give example of plants that respond towards touch.

• Coconut leaves and banana leaves

• mimosa pudica and venus flytrap

• Hibiscus leaves and rose leaves

• Turmeric leaves and curry leaves

State the parts of plants that respond towards light

• shoot

• leaves

• root

• stem

This plants give response towards touch. What is the name of this plant?

• Grass

• Chrysopogon aciculatus

• Mimosa pudica

• Neem tree

The venus flytrap give stimuli towards the response of _________

• light

• water

• gravity

• touch

A plant was put into a black box with a hole. After five days, the observation was as shown. What conclusion can be drawn from this?

• The root response towards water and gravity

• The shoot response towards the hole

• The leaves response towards touch

• The shoot response towards light

Define photosynthesis.

• A process of plants response towards stimuli

• A process of plants making their own food

• A process of plants eat their own food

• A process of plants respire

What are the basic needs for plants to carry out photosynthesis?

• Oxygen and glucose

• Sunlight and carbon dioxide

• Sunlight, carbon dioxide, water and chlorophyll

• carbon dioxide and oxygen