Unit 1 Revise Quiz

Plants need

• Water : Get from soil

• Carbon dioxide: Get from the air

• Plants: Can thrive without any water or sunlight.

  
  

• Energy: Get from the Sunlight

________ will capture energy from sunlight.

• Geothermal power plants
• Chlorophyll

• Wind turbines

Which is the equation for photosynthesis?

• Water+ Carbon dioxide --> Glucose + Oxygen

• Glucose + Oxygen → Carbon Dioxide + Water + Energy

What is the difference between chloroplast and chlorophyll?

• Chloroplast is an organelle, and chlorophyll is a pigment.
• Chloroplast is involved in respiration, and chlorophyll is involved in photosynthesis.
• Chloroplast is found in animals, and chlorophyll is found in plants.
• Chloroplast is a pigment, and chlorophyll is an organelle.

Identify letter X and Y

• Y: Stomata

• X: Guard cell

• X: Waxy layer

• Y: Chlorophyll

• All above

Why plants need magnesium?

• Plants need magnesium for transportation of water and nutrients.
• Plants need magnesium for regulating temperature.
• To make chlorophyll.

Which is the equation of respiration?

• Glucose + oxygen --> carbon dioxide + water

• Cardon dioxide + water --> glucose + oxygen

Name one mineral, other than nitrate, that plants need for healthy growth.

• magnesium
• potassium
• iron

What is nitrate for?

• Nitrate is used in electronics manufacturing.
• All above

• Nitrate is used for cooking purposes.
• To convert glucose in to protein

Two impacts of climate change

• Global warming and sea level rising.

• Decreased frequency and severity of heatwaves and less intense storms and droughts
• No impact on weather patterns
• Climate change leads to global cooling