MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100
Explain how is an air-space behind each stoma helps a leaf to photosynthesise.
Important Questions on Plant Nutrition
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain how the epidermal cells of a leaf do not have chloroplasts, which helps a leaf to photosynthesize.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain how leaves have a large surface area that can help a leaf photosynthesize.
EASY
Upper Secondary: IGCSE
IMPORTANT
Explain how the veins in a leaf branch repeatedly help a leaf to photosynthesise.
EASY
Upper Secondary: IGCSE
IMPORTANT
Explain how chloroplasts have many membranes in them which helps a leaf to photosynthesise.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Which carbohydrate does a plant use for transport purposes? Explain why.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Which carbohydrate does a plant use for storage purposes? Explain why.
HARD
Upper Secondary: IGCSE
IMPORTANT
Describe how a carbon atom in a carbon dioxide molecule in the air could become part of a starch molecule in a carrot root. Mention all the structures it would pass through, and what would happen to it at each stage.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
The diagram shows a section through a leaf.
Give the letters that indicate i. stoma, ii. the cuticle, and iii a vascular bundle.
