Photosynthesis and Respiration Concepts

Photosynthesis and Respiration Concepts

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video covers key concepts in GCSE biology, focusing on photosynthesis and respiration. It explains the word and symbol equations for photosynthesis, discusses limiting factors, and provides a practical guide for experiments. The video also covers the inverse square law, greenhouse conditions, and the processes of aerobic and anaerobic respiration, highlighting their importance in metabolism.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct word equation for photosynthesis?

Carbon Dioxide + Water → Glucose + Oxygen

Oxygen + Glucose → Water + Carbon Dioxide

Glucose + Oxygen → Carbon Dioxide + Water

Water + Carbon Dioxide → Oxygen + Glucose

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of chlorophyll in photosynthesis?

Absorbs light energy

Releases oxygen

Absorbs carbon dioxide

Converts glucose to starch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor is NOT a limiting factor in photosynthesis?

Light intensity

Carbon dioxide concentration

Chlorophyll concentration

Soil pH

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to enzymes in photosynthesis when the temperature is too high?

They stop absorbing light

They are converted to glucose

They denature

They become more active

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a photosynthesis experiment, why is it important to control the temperature?

To keep the plant hydrated

To avoid temperature being a limiting factor

To prevent the water from evaporating

To ensure the plant receives enough light

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the inverse square law describe in the context of photosynthesis?

The relationship between light intensity and distance

The absorption of light by chlorophyll

The effect of temperature on enzyme activity

The rate of photosynthesis at different CO2 levels

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it beneficial for farmers to use dry ice machines in greenhouses?

To increase carbon dioxide levels

To maintain a constant temperature

To increase light intensity

To reduce humidity

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