In an experiment to investigate a certain processes in a given plant species, the rate of carbon (IV) oxide consumed and released were measured over...

      

In an experiment to investigate a certain processes in a given plant species, the rate of carbon (IV) oxide consumed and released were measured over a period of time of the day. The results of the investigation are shown in the table below.

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a) Name the biochemical processes represented by;
(i) Carbon (IV) oxide consumption
(ii) carbon (IV)oxide release
(b) Account for the shape of the curve for carbon (IV) oxide consumption between;
(i) 6-16 hours
(ii) 20-24 hours
(c) Account for carbon (IV) oxide released between 12-16 hours
(d) (i) What is compensation point?
(ii) From the graph state the time of the day when the plant attains compensation point
(e) Explain how high temperature above optimum affects the rate of carbon (IV) oxide
consumption in the plant.

  

Answers


Martin
a) i) Photosynthesis;
ii) Respiration
b) i) Rapid increase in amount of carbon (iv) Oxide consumed; As time increase amount of
light increases’, thus increasing rate of photosynthesis
ii) No carbon (iv) Oxide consumed, No light hence no photosynthesis
c) Low amount of carbon (iv) oxide released, carbon (iv) Oxide consumed for
photosynthesis; respiration rate very low
d) i) Point when rate of photosynthesis equals rate of respiration
ii) At 18 hrs
e) It denatures enzymes/ stops photosynthesis; hence consumption of carbon (iv) Oxide
marto answered the question on October 4, 2019 at 11:05


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