EASY
Lower Secondary Stage 9
IMPORTANT
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The diagram shows a plant cell from a leaf. Which letter shows a chloroplast?

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Important Questions on Photosynthesis and Plant Growth

EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 4
What is the name of the green pigment in chloroplasts?
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 4
Why is chlorophyll pigment important? Select two options.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 5
Explain why a leaf contains cells packed with chloroplasts.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 6
A potato is a tuber. This is the part of the potato plant that grows underground. A tuber stores nutrients. Khalid wants to find out if potato tuber cells contain chloroplasts. Name a piece of apparatus Khalid should use to find out if potato tuber cells contain chloroplasts.
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 6
Khalid discovers in an experiment that potato tuber cells do not contain chloroplast. Explain why potato tuber cells do not contain chloroplasts.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 7
Giant aroid plants grow on the floor of tropical rainforests in Borneo. Their leaves can measure 3 metres across. Explain why giant aroid plants have such large leaves.
 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 9
Explain why photosynthesis is described as an endothermic reaction.
 
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Workbook>Chapter 1 - Photosynthesis and Plant Growth>Exercise 1>Q 10
Stomata are tiny holes found on leaves. Name one substance needed for photosynthesis that enters a plant through the stomata.