Phototropism and Plant Responses

Phototropism and Plant Responses

Assessment

Interactive Video

Biology, Science

9th - 12th Grade

Medium

Created by

Lucas Foster

Used 3+ times

FREE Resource

The video tutorial explores phototropism in plants, focusing on how plant shoots grow towards light. It examines classic experiments to demonstrate that the tip of the plant is crucial for detecting light and initiating bending. The tutorial further investigates the role of permeable and impermeable barriers in phototropism, suggesting that the plant tip releases a chemical signal that guides the plant's growth direction.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is phototropism in plants?

A response to light

A response to soil nutrients

A response to water

A response to temperature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a plant shoot when the tip is removed?

It bends towards the light

It bends away from the light

It does not bend

It grows faster

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which treatment group shows that the tip is necessary for phototropism?

Treatment 2

Treatment 4

Treatment 1

Treatment 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the tip in phototropism?

It provides nutrients

It detects light

It absorbs water

It supports the plant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the tip is placed on a permeable barrier?

The plant bends

The plant does not bend

The plant grows taller

The plant wilts

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of an impermeable barrier on phototropism?

It changes the direction of bending

It has no effect

It enhances bending

It prevents bending

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must the tip release for phototropism to occur?

Nutrients

Light

Hormones

Water

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