Form 3 Chapter 1 Stimuli and Responses (1.3 plants)

Tropisms is. . .

• a directional response of plants to stimuli

• Moment of plant towards light

• Response of roots with water

• Response to gravity

Part of plants which grows towards stimulus is known as

• Response in plant

• Nastic movement

• Negative tropisms

• Positive tropisms

Parts in plants that gives positive thigmotropism. (Please choose 2 correct answers)

• Leaves

• Tendrils

• Twining stems

• Sensory organs

Shoots grow towards light.

Based on the above statement, which of the explanation below is true?

• It shows positive geotropism

• It shows positive hydrotropism

• It shows positive phototropism

• None of the given answer

Tags

NGSS.MS-LS1-5

What is seismonastic?

• Nastic movements response to water

• Nastic movements response to touch

• Nastic movements response to light

• Nastic movements response to temperature

Mimosa sp. responds to touch by folding its leaves inwards when touched. The responds occurs rapidly.

• Thigmotropism

• Phototropism

• Geotropism

• Nastic movement

When the plant grows toward the light.

• Negative hydrotropism

• Positive geotropism

• Negative phototropism

• Positive phototropism

The GIF shows a type of plant response towards touch. Name the response.

• Phototropism

• Geotropism

• Hydrotropism

• Thigmotropism

The GIF shows a type of plant response towards a light. Name the response.

• Phototropism

• Geotropism

• Hydrotropism

• Tigmotropism

The GIF shows a type of plant response towards water. Name the response.

• Phototropism

• Geotropism

• Hydrotropism

• Tigmotropism