The conversion of carbon dioxide and water into organic compounds using energy from light is called A) photorespiration

1. The conversion of carbon dioxide and water into organic compounds using energy from light is called • A) photorespiration. • B) glycolysis. • C) fermentation. • D) cellular respiration. • E) photosynthesis.

2. E) photosynthesis.

3. In most green plants, chloroplasts are • A) concentrated in the stomata. • B) concentrated in a zone of leaf tissue called the mesophyll. • C) found throughout the leaf tissue. • D) concentrated in a portion of the leaf called the stroma. • E) None of the choices are correct.

4. B) concentrated in a zone of leaf tissue called the mesophyll.

5. Producers • A) manufacture the biosphere's food supply. • B) are autotrophs. • C) sustain themselves without eating. • D) make organic food molecules from simple raw materials. • E) All of the choices are correct.

6. E) All of the choices are correct.

7. Why are (most) plants green? • A) Chlorophyll primarily uses green light as the source of energy for photosynthesis. • B) Green is the best color of light for plant growth. • C) Chlorophyll absorbs green light. • D) Carotenoids reflect green light. • E) Chlorophyll reflects green light.

8. E) Chlorophyll reflects green light.

9. Which of the following are produced during the light reactions of photosynthesis? • A) glucose, ADP, NADP+, CO2 • B) glucose, ADP, NADP+ • C) ADP, NADP+, O2 • D) ATP, NADPH, CO2 • E) ATP, NADPH, O2

10. E) ATP, NADPH, O2

11. __________ cells in leaves are specialized for photosynthesis. • A) Mesophyll • B) Sclerenchyma • C) Tracheid • D) Collenchyma • E) Companion

12. A) Mesophyll

13. Water + Carbon Dioxide  Glucose + Oxygen • This is the equation for: • A. Photosynthesis • B. Cell Respiration • C. Neither

14. A. Photosynthesis

15. In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the • A) thylakoid. • B) mesophyll. • C) stomata. • D) stroma. • E) matrix.

16. D) stroma.

17. Chloroplasts contain disklike membranous sacs arranged in stacks called • A) thylakoids. • B) grana. • C) cristae. • D) vacuoles. • E) stroma.

18. B) grana.

19. Photosynthetic organisms derive their carbon from • A) carbon monoxide. • B) carbon dioxide. • C) methane. • D) hydrocarbons. • E) All of the choices depend on environmental conditions.

20. B) carbon dioxide.

21. Carbon dioxide enters and oxygen escapes from a leaf via • A) grana. • B) thylakoids. • C) central vacuoles. • D) stomata. • E) stroma.

22. D) stomata.

23. The oxygen released into the air as a product of photosynthesis comes from • A) carbon dioxide. • B) water. • C) None of the above. • D) glucose. • E) chlorophyll.

24. B) water.

25. The outer waxy covering of a leaf is called the: • A Stoma • B Epidermis • C Cuticle • D Mesophyll

26. The outer waxy covering of a leaf is called the: • C Cuticle

27. The cuticle and the ______ serve as protection for the leaf. • A Stoma • B Epidermis • C Cuticle • D Mesophyll

28. The cuticle and the ______ serve as protection for the leaf. • B Epidermis

29. The minute pores in the epidermis of a leaf are: • A Stoma • B Epidermis • C Cuticle • D Mesophyll

30. The minute pores in the epidermis of a leaf are: • A Stoma

31. The ____________ are specialized cells that control the opening and closing of the stoma. • A Guard Cells • B Cuticle • C Epidermis • D Mesophyll

32. The ____________ are specialized cells that control the opening and closing of the stoma. • A Guard Cells

33. The ____________ regulate water loss and carbon dioxide intake. • A Guard Cells • B Cuticle • C Epidermis • D Mesophyll

34. The ____________ regulate water loss and carbon dioxide intake. • A Guard Cells

35. The xylem and the phloem are both types of _____________ for the plant. • A Guard Cells • B Veins • C Epidermis • D Mesophyll

36. The xylem and the phloem are both types of _____________ for the plant. • B Veins

37. What kind of organism carries out photosynthesis? • A Autotrophs • B Heterotrophs • C Decomposers • D All of the above

38. What kind of organism carries out photosynthesis? • A Autotrophs

39. The best light to use on a plant to achieve maximum plant growth is: • A Blue • B Green • C Yellow • D Red

40. The best light to use on a plant to achieve maximum plant growth is: • A Blue

41. We rely on photosynthesis for: • A For Oxygen • B Food • C A and B • D None of the above

42. We rely on photosynthesis for: • C A and B

43. Chloroplasts are convenient to use in studying photosynthesis because: • A All photosynthesis reactions take place in the chloroplast • B Chloroplasts do not break down in the lab • C Chloroplasts contain the pigment Aragon • D Chloroplasts were once independent autotrophs

44. Chloroplasts are convenient to use in studying photosynthesis because: • A All photosynthesis reactions take place in the chloroplast

45. In photosynthesis, light energy is absorbed by: • A Chlorophyll and converted to another type of energy • B Water and given off as Oxygen • C Carbon dioxide and given off as Oxygen • D Carbohydrates and given off as energy

46. In photosynthesis, light energy is absorbed by: • A Chlorophyll and converted to another type of energy

47. The Calvin Reactions of photosynthesis needs ___________ in order to continue: • A light • B Carbon dioxide concentrations are higher than Oxygen levels • C Oxygen being present • D The products of the light reactions

48. The Calvin Reactions of photosynthesis needs ___________ in order to continue: • D The products of the light reactions

49. Mesophyll is: • A A factor that influences the rate of photosynthesis • B A photosynthesis tissue • C An organelle of a plant cell • D All of the above

50. Mesophyll is: • B A photosynthesis tissue