Photosynthesis

Photosynthesis

Multiple Choice

Which lettered graph represents the effect of temperature on photosynthetic rate?

• A

• B

• C

• D

Multiple Choice

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?

• oxygen
• nitrogen
• ozone
• carbon dioxide
  

Multiple Choice

Which lettered graph represents the affect of light intensity on photosynthetic rate?

• A

• B

• C

• D

Multiple Choice

Which of these will not affect photosynthesis?

• Light
• Temperature
• Glucose Availability
• Carbon Dioxide

Multiple Choice

What is a limiting factor?

• The factor which increases the rate of a reaction
• The factor that limits the reaction rate
• The factor that limits the rate at which an enzyme is destroyed

Multiple Choice

If starch is present in the leaf, the leaf should turn what colour?

• Blue/Black

• Orange

• Red

Multiple Choice

What do we use to test for starch?

• Fluorine solution

• Chlorine solution

• Iodine solution

Multiple Choice

To show that photosynthesis has occurred we test for starch. Why?

• Starch is a product of photosynthesis

• Not sure

• Glucose is a product of photosynthesis and is stored in the plant cells as starch

Multiple Choice

What colour does the leaf turn after being in ethanol?

• It stays green

• It turns blue

• It turns white

Multiple Choice

What is chlorophyll soluble in?

• Ethanol

• Water

• Don't Know

Multiple Choice

Why do we turn off the bunsen flame before adding ethanol?

• Not sure

• To save on gas

• Because ethanol is extremely flammable

Multiple Choice

Why do we boil the leaf?

• To keep it warm

• To denature the enzymes and so stop photosynthesis

• To make photosynthesis go faster

Multiple Choice

What molecule absorbs sunlight for photosynthesis?

• chloroplast
• thylakoid
• grana
• chlorophyll

Multiple Choice

What are the products of photosynthesis?

• water and carbon dioxide

• oxygen and glucose

• oxygen and carbon dioxide

• oxygen and water