Photosynthesis and Respiration Concepts

Photosynthesis and Respiration Concepts

Assessment

Interactive Video

Biology, Science, Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores photosynthesis and respiration, focusing on their inputs, outputs, and energy transformations. Experiments with bromothymol blue, germinating mung beans, and aquatic plants demonstrate the processes. Photosynthesis requires light and chlorophyll, consuming carbon dioxide and producing oxygen. Respiration uses glucose and oxygen, releasing carbon dioxide. The tutorial concludes with a final experiment and questions for further discussion.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary output of respiration as demonstrated by the student exhaling into bromothymol blue?

Oxygen

Water

Carbon Dioxide

Glucose

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the experiment with germinating mung beans, what was observed as the oxygen levels decreased?

Glucose levels decreased

Glucose levels increased

Carbon dioxide levels increased

Carbon dioxide levels decreased

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why did the bromothymol blue remain blue during the day in the aquatic plant experiment?

The plant was not exposed to light

The plant was producing too much oxygen

The plant was using up all the carbon dioxide

The plant was not photosynthesizing

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What change was observed in the test tube with the plant in the dark?

The test tube turned blue

The test tube turned yellow

The test tube turned green

The test tube remained unchanged

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of chlorophyll in photosynthesis?

It reflects red light

It absorbs green light

It absorbs carbon dioxide

It harnesses red and blue light

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the purpose of using a spectrophotometer in the experiment?

To observe glucose production

To monitor carbon dioxide production

To analyze chlorophyll absorption spectrum

To measure oxygen levels

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to carbon dioxide levels in the presence of light during photosynthesis?

They increase

They decrease

They remain constant

They fluctuate

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