BOTANY Higher Secondary Second Year - Textbooks Online

22. Vanda plant is a/an ---a.
total parasite b. partial parasite
c. epiphyte d. saprophyte
23. The reducing power produced in the light reaction is
a. NADP b. ATP
c. ADP d. NADPH2
24. Which of the following is not accessory pigments?
a. Phycobilins b. Chlorophylls
c. Carotenoids d. Xanthophylls
25. The photosynthetic pigments are located in
a. Cristae b. Cisternae
c. Thylakoid d. Stroma
II. Answer the following questions in two or three sentences.
26. What are generally called accessory pigments?
27. What is photolysis of water?
28. Define light reaction.
29. Define dark reaction.
30. State the conditions underwhich cyclic photophosphorylation occurs.
31. Write the overall equation of photosynthesis.
32. Why are chloroplasts in C 4 plants called dimorphic chloroplasts?
33. Define photorespiration.
34. Write any two differences between photorespiration and dark
respiration.
35. What are called total parasites?
36. Define chemosynthesis.
III. Answer the following questions in about 100 words.
37. Write short notes on site of photosynthesis.
38. Write short notes on photosynthetic electron transport system.
39. What are the differences between C and C pathway?
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