29. The organelles with are the c. Goglgi apparatus d, chloroplasts 5 10 15 20 2

Question

29. The organelles with are the c. Goglgi apparatus d, chloroplasts 5 10 15 20 25 30 35 40 45 S ncresing ight inteniyTremperature o Graph A Graph B 0. Refer to the illustration above. Graph "A " demonstrates that the rate of photosynthesis a. is unaffected by changes in light intensity b. decreases in response to increasing light intensity c. increases indefinitely in response to increasing light intensity d. increases in response to increasing light intensity but only to a certain point 1. Refer to the illustration above. Taken together, these graphs demonstrate that a. increases in light intensity cause increases in temperature as the rate of photosynthesis increases, the temperature of the plant eventually decreases c. the rate of photosynthesis is affected by changes in the plant's environment . Refer to the illustration above. Graph "B" demonstrates that the rate of photosynthesis a. increases with increasing temperature b. decreases with increasing temperature c. increases with increasing temperature until 25 degrees Celsius d. decreases until 15 degrees Celsius Which is the correct equation for photosynthesis? c. C6H12Os + light .> H2O + O2 + C02 a. CO2 + O2 ? C6H206 + Hz? b. light +02> H20+CO2 d. light+H20+CO2 CH120+0 c. it releases energy when it gains a phosphate group d. it converts sunlight into chemical energy Which of the following statements is true of ATP? a. it stores energy as glucose b. it transfers energy to cell processes

Explanation / Answer

29. Answer d. Chloroplasts. They are the double membrane bound organelles in green plants and photosynthetic microbes and algaes which contain chlorophyll pigments and carry out photosynthesis.

30. Answer d. In graph A the X axis is increase in light intensity and Y axis is increase in photosynthetic rate. There is a linear increase in the rate of photosynthesis with increase in light intensity upto a particular light intensity after which any increase in light intensity has no effect on rate of photosynthesis and the graph comes to a pleatue phase.

31. answer C. The two graphs shows that the enviormental conditions like light intensity and temperature is affecting the rate of photosynthesis in plants. from graph B it is clear that as the temperature increases from 0 to up to 25 degree Celsius there is a corresponding increase in photosynthesis rate, but further increase in temperature is actually adversly affecting the speed of photosynthesis and it is decreasing with further increase in temperature.While in graph A it shows that the light intensity has a positive effect on speed of photosynthesis and it can increased with increase in light intensity to a certain extent.

32. Answer C

33. Answer d. In the presence of light, CO2 and H2O ,1 molecule of glucose plus one molecule of O2 is formed during photosynthesis

34. Answer b. ATP is the energy currency of the cell which tranfers its energy to drive cellular processes by releasing energy while loosing a phosphate group and turning into ADP

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