External parts of a leaf practice exercise 4

A pupil places a leaf under light and notices one line casts a darker shadow. What part caused it?

A pupil places a leaf under light and notices one line casts a darker shadow. What part caused it?  (1 mark)

A pupil places a leaf under light and notices one line casts a darker shadow. What part caused it?  (1 mark)

A strong wind bends the leaf but it doesn’t break. Which part helps the leaf stay attached to the stem?

A strong wind bends the leaf but it doesn’t break. Which part helps the leaf stay attached to the stem?  (1 mark)

A strong wind bends the leaf but it doesn’t break. Which part helps the leaf stay attached to the stem?  (1 mark)

A student observed a leaf with a damaged midrib. What function would most likely be affected?

A student observed a leaf with a damaged midrib. What function would most likely be affected?  (1 mark)

A student observed a leaf with a damaged midrib. What function would most likely be affected?  (1 mark)

A teacher shows a leaf with a long stalk connecting it to the stem. What is the function of this stalk?

A teacher shows a leaf with a long stalk connecting it to the stem. What is the function of this stalk?  (1 mark)

A teacher shows a leaf with a long stalk connecting it to the stem. What is the function of this stalk?  (1 mark)

After strong winds, some leaves were torn along their thin lines. Which part was most likely torn?

After strong winds, some leaves were torn along their thin lines. Which part was most likely torn?  (1 mark)

After strong winds, some leaves were torn along their thin lines. Which part was most likely torn?  (1 mark)

Pupils traced leaves and found different edge patterns. Which part of the leaf were they observing?

Pupils traced leaves and found different edge patterns. Which part of the leaf were they observing?  (1 mark)

Pupils traced leaves and found different edge patterns. Which part of the leaf were they observing?  (1 mark)

Refer to a diagram showing label M at the stalk of the leaf.Which process will most likely be reduced?

The part of the leaf labeled M is damaged. Which process will most likely be reduced? (1 mark)

The part of the leaf labeled M is damaged. Which process will most likely be reduced? (1 mark)

The part of the leaf labeled M is damaged. Which process will most likely be reduced? (1 mark)

The part of the leaf labeled M is damaged. Which process will most likely be reduced? (1 mark)

Table-Based: Use the table to identify which label represents the petiole. LabelDescription AConnects the leaf blade to the stem BThe edge or outline of the leaf CBroad surface used to trap sunlight DPointed tip at the end of the leaf

Use the table below to identify which label represents the petiole.  (1 mark) Label Description A Connects the leaf blade to the stem B The edge or outline of the leaf C Broad surface used to trap sunlight D Pointed tip at the end of the leaf

Use the table below to identify which label represents the petiole.  (1 mark) Label Description A Connects the leaf blade to the stem B The edge or outline of the leaf C Broad surface used to trap sunlight D Pointed tip at the end of the leaf

Use a diagram where label Z points to the lamina.What is its main role?

What is the function of the part labelled lamina in the diagram below. What is its main role?  (1 mark)

What is the function of the part labelled lamina in the diagram below. What is its main role?  (1 mark)

What is the main role of the part labelled lamina in the diagram below.  (1 mark)

Which leaf part would help a plant growing in a rainforest drain excess rainwater efficiently?

Which leaf part would help a plant growing in a rainforest drain excess rainwater efficiently?  (1 mark)

Which leaf part would help a plant growing in a rainforest drain excess rainwater efficiently?  (1 mark)