uptake and transport of carbon dioxide

Question 1

Where does photosynthesis mostly take place?

Answer 1

Photosynthesis takes place mostly in the ground tissue of the leaf (both palisade and spongy mesophyll).

Question 2

What are the 2 sources of carbon dioxide for photosynthesis?

Answer 2

There are two sources of carbon dioxide for photosynthesis.
atmosphere and respiration in the leaves

Question 3

Where is most of the co2 for photosynthesis sourced from?

Answer 3

Most of the carbon dioxide comes in through the stomata from the atmosphere.

Question 4

How does the carbon dioxide get to the photosynthesising cells in the ground tissue of the leaf?

Answer 4

This carbon dioxide diffuses into the air spaces in the leaf. From here it diffuses into the photosynthesising cells in the ground tissue of the leaf.

Question 5

Where can photosynthesising cells be found?

Answer 5

photosynthesising cells in the ground tissue of the leaf.

Question 6

The rate of absorption or uptake of carbon dioxide is a measure of what?

Answer 6

The rate of absorption or uptake of carbon dioxide is a measure of the apparent rate of photosynthesis.

Question 7

Where is co2 produced in the plant?

Answer 7

Carbon dioxide is produced in leaf cells by the process of respiration.

Question 8

The co2 produced by the plant can be also used for what?

Answer 8

This carbon dioxide may also be used in photosynthesis.

Question 9

How do higher temps affect the rate of respiration and co2 yield?

Answer 9

The production of carbon dioxide in this way is more substantial at higher temperatures as a result of increased rates of respiration at these temperatures.

Question 10

Give a word equation for the rate of photosynthesis

Answer 10

rate of photosynthesis = Rate of carbon dioxide absorbed through the stomata + Rate of carbon dioxide produced in respiration