Investigating the Effects of Light on Plant Growth: A Biology Practical Experiment

Investigating the Effects of Light on Plant Growth: A Biology Practical Experiment

Assessment

Interactive Video

Biology, Other, Chemistry, Science

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explores an experiment to study the effects of light on plant growth, focusing on mustard seedlings. It begins with forming a hypothesis based on photosynthesis, followed by setting up an experiment with controlled conditions. The experiment involves measuring seedling growth under different light intensities over a week. Results are analyzed using line graphs, showing that higher light intensity promotes faster growth. The tutorial concludes with a discussion on the experiment's limitations, such as water evaporation and temperature control.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason seedlings are hypothesized to grow faster in higher light intensity?

More oxygen availability

Better temperature control

Higher glucose production

Increased water absorption

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the experiment to test the hypothesis?

Measure the height of seedlings

Place seeds in direct sunlight

Soak cotton wool in water

Count the number of seedlings

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are the Petri dishes arranged to test different light conditions?

All in direct sunlight

One in sunlight, one in partial light, one in darkness

All in complete darkness

One in sunlight, two in darkness

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main conclusion drawn from the experiment's results?

Light intensity does not affect seedling growth

Partial light is the best for seedling growth

Seedlings grow faster in higher light intensity

Seedlings grow faster in complete darkness

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one limitation of the experiment mentioned in the analysis?

Inconsistent seed quality

Difficulty in controlling temperature

Inaccurate measurement tools

Lack of water supply