Biology

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What is the formula for photosynthesis?
Carbon dioxide + water -> glucose + oxygen
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Why aren't the stomata on the top of the leaf?
Because water would be able to bead on the top of the leaf, reducing the amount of CO2 being able to enter the leaf.
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How do you observe stomata?
Identify the lower side. Add a thin layer of nail varnish to the lower side over an area of 1cm2. Allow it to dry. Take a piece of tape and press it on the area that you have just prepared. Peel the tape of gently and ensure the layer of nail varnish is s
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How do substances pass through the stomata and why?
Diffusion occurs and an exchange happens; CO2 enters and O2 exits. CO2 is needed for photosynthesis, where is used to release energy and produce glucose, for respiration.
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Describe the pathway that carbon dioxide takes as it enters the leaf.
Co2 enters the leave when the stomata open. Guard cells control the size of the stomata so that the leaf does not lose too much water in hot, windy or dry conditions. Since there is a low concentration of CO2 in the cells and a high concentration out of t
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Other cards in this set

Card 2

Front

Because water would be able to bead on the top of the leaf, reducing the amount of CO2 being able to enter the leaf.

Back

Why aren't the stomata on the top of the leaf?

Card 3

Front

Identify the lower side. Add a thin layer of nail varnish to the lower side over an area of 1cm2. Allow it to dry. Take a piece of tape and press it on the area that you have just prepared. Peel the tape of gently and ensure the layer of nail varnish is s

Back

Preview of the back of card 3

Card 4

Front

Diffusion occurs and an exchange happens; CO2 enters and O2 exits. CO2 is needed for photosynthesis, where is used to release energy and produce glucose, for respiration.

Back

Preview of the back of card 4

Card 5

Front

Co2 enters the leave when the stomata open. Guard cells control the size of the stomata so that the leaf does not lose too much water in hot, windy or dry conditions. Since there is a low concentration of CO2 in the cells and a high concentration out of t

Back

Preview of the back of card 5

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