Photosynthesis occurs in leaves.
(i)
Which substance is needed for photosynthesis?
(1)
☐ | A | carbon dioxide | |
☐ | B | glucose | |
☐ | C | oxygen | |
☐ | D | nitrogen |
(ii)
A leaf cell is 0.08 mm long.
Calculate the length of the image of this cell after it has been magnified 50 times using a microscope.
(2)
.................................... mm
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