Plant Responses and Tropisms

Plant Responses and Tropisms

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video discusses plant responses, focusing on phototropism and geotropism. It explains how plants grow towards light (positive phototropism) and against gravity (negative geotropism) in shoots, while roots grow towards gravity (positive geotropism). The role of aux-in, a plant hormone, in these processes is highlighted. Observations of daffodils demonstrate these responses. The video outlines learning outcomes, including understanding these terms and their advantages.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

Human anatomy

Animal behavior

Plant responses and tropisms

Weather patterns

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is phototropism?

Growth in response to gravity

Growth in response to light

Growth in response to water

Growth in response to temperature

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What advantage does phototropism provide to plants?

Better water absorption

Increased resistance to pests

Improved light capture for photosynthesis

Enhanced nutrient uptake

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does auxin contribute to phototropism?

By reducing leaf size

By inhibiting root growth

By causing cell elongation on the light side

By causing cell elongation on the dark side

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does auxin accumulate in a plant shoot?

In the flowers

On the dark side

On the light side

In the roots

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is geotropism?

Growth in response to temperature

Growth in response to light

Growth in response to gravity

Growth in response to water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do roots respond to geotropism?

They grow sideways

They stop growing

They grow downwards

They grow upwards

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