A student is collecting the gas given off from a being collected is probably gas
ID: 96643 • Letter: A
Question
A student is collecting the gas given off from a being collected is probably gas given off from a plant in bright sunlight at a temperature of 27 degree C. The gas carbon dioxide. a. oxygen b. carbon dioxide c. ATP d. vaporized water Photosynthesis uses sunlight to convert water and carbon dioxide into a. oxygen b. high-energy sugars. c. ATP and oxygen. d. oxygen and high-energy sugars 20. Which region of the visible spectrum is not absorbed well by chlorophyll? a. blue b. violet c. green d. Which is not a component of Aerobic respiration? a. Carbon dioxide b. Lactic Acid c. NADH d. ATP Which of the following is NOT a step in the light-dependent reactions? a. High-energy electrons move through the electron transport chain. b. Pigments in photosystem II absorb light c. ATP synthase allows H^+ ions to pass through the thylakoid membrane d. ATP and NADPH are used to produce high-energy sugars. The Calvin cycle is another name for a. light-independent reactions. b. light-dependent reactions c. photosynthesis d. all of the above If carbon dioxide is removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars? a. More sugars will be produced. b. Fewer sugars will be produced. c. The same number of sugars will be produced but without carbon dioxide. d. Carbon dioxide does not affect the production of high-energy sugars in plants. The amount of ATP produced from one molecule of glucose during aerobic respiration is: a. 4 b. 2 c. 28-30 d. 36-38Explanation / Answer
ques. 18
correct answer is A
that oxygen.
EXPLAINATION
during day time , when photosynthesis occurs, oxygen is produced.
the leaves use some of these oxygen for respiration and the rest of oxygen diffuses out into air.
again during day time carbondi oxide is produced by respiration is all used up in photosynthesis by leaves.
even more carbon dioxide is taken in from air.
thus, net gas exchange in leaves during day time is oxygen diffuses out and carbondioxide diffuses in.
ques. no. 19
correct answer is D
that is oxygen and high energy sugars.
explaination
reaction involve in photosynthesis is
CO2 + H2O + LIGHT ENERGY ------> C6H12O6 + O2
SUGAR + OXYGEN
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