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NCERT CLASS 11 | TOPIC : PLANT PHYSIOLOGY-PHOTOSYNTHESIS | QB-1 | NEET BIOLOGY ONLINE TEST



NCERT CLASS 11 | TOPIC : PLANT PHYSIOLOGY-PHOTOSYNTHESIS | QB-1 | NEET BIOLOGY ONLINE TEST


It contains 100 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com


1 ➤ 1. Photosynthesis is a


2 ➤ 2. All living forms on earth depend on _________ for energy.


3 ➤ 3. During photosynthesis, light energy is used to synthesize


4 ➤ 4. Photosynthesis is important because


5 ➤ 5. Select the incorrect statement from the following:


6 ➤ 6. Which of the following is required for photosynthesis?


7 ➤ 7. An experiment using two leaves, a variegated leaf or a leaf that was covered with black paper and one that was exposed to light on testing these leaves for starch shows that photosynthesis occurs only in _________ part of leaf in the_________ of sunlight


8 ➤ 8. Half leaf experiment proved that _________ is required for photosynthesis.


9 ➤ 9. Which of the following substance is used in half leaf experiment to absorb CO2?


10 ➤ 10. _________ in 1770 performed a series of experiments that revealed the essential role of air in growth of green plants.


11 ➤ 11. Bell Jar experiment was performed by


12 ➤ 12.Which of the following does Priestly conclude on the basis of above experiment?
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13 ➤ 13. Find the method used to light the candle in bell jar experiment without disturbing the setup.


14 ➤ 14. Who proved that light is essential for plant process that purifies foul air by placing priestly and setup once in light and once in dark?


15 ➤ 15. ____A___ performed an elegant experiment with an ___B____ plant to show that in bright sunlight, small bubble, were formed around the ____C___ parts, while in dark they do not die.


16 ➤ 16. Which of the following proved that green part could release O2 by his experiment on an acquatic plant?


17 ➤ 17. The stored form of glucose in plant is


18 ➤ 18. Who provided the evidence for the production of glucose when plants grow?


19 ➤ 19. Von Sachs studies shows that


20 ➤ 20. The first action spectrum of photosynthesis is described often as an experiment of


21 ➤ 21. Which of the following is incorrect about the experiment performed by T. W. Engelmann?


22 ➤ 22. A first action spectrum of photosynthesis was described on the basis of experiment performed by T. W. Engelmann on _________ algae.


23 ➤ 23. Which of the following pigments resemble the action spectrum produced on the basis of Engelmann experiment?
A. Chlorophyll a B. Chlorophyll b C. Xanthophyll D. Carotenoids


24 ➤ 24. Who demostrated that photosynthesis is essentially a light-dependent reaction in which hydrogen from a suitable oxidizable compound reduces CO2 to carbohydrates?


25 ➤ 25. Van Neil performed the experiment O2 on


26 ➤ 26. Van Neil was a


27 ➤ 27. Which of the following reaction expresses Van Niel reaction for photosynthesis?


28 ➤ 28. What are the probable oxidation production of H2S in purple and green sulphur bacteria?


29 ➤ 29. The correct equation of photosynthesis is


30 ➤ 30. By using a _________ isotope it can be proved that O2 is released from water during photosynthesis


31 ➤ 31. Photosynthesis is a


32 ➤ 32. Photosynthesis occurs in


33 ➤ 33. Within chloroplast, the membranous system is made up of


34 ➤ 34. Calvin cycle is termed as dark reaction because it


35 ➤ 35. Where does light reaction occur in chloroplast?


36 ➤ 36. Identify A to H in the given figure.
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37 ➤ 37. Which of the following is correct about light reaction?


38 ➤ 38. Find out the incorrect statement from the following:


39 ➤ 39. Match the column : Pigment Colour (in chromatogram)
A. Chlorophyll a – i) Bright or blue green
B. Chlorophyll b – ii) Yellow
C. Xanthophylls – iii) Yellow to Green
D. Carotenoids – iv) Yellow to yellow–orange


40 ➤ 40. The chief pigment associated with photosynthesis is


41 ➤ 41. Which light is absorbed more by Chlorophyll ‘a’?


42 ➤ 42. Which light shows higher rate of photosynthesis?


43 ➤ 43. Light reaction and photochemical phase includes


44 ➤ 44. Which of the following is incorrect about photosystem?


45 ➤ 45. Select the correct sequence of electron transfer in Z-scheme of light reaction:


46 ➤ 46. In Z-scheme, Z-shape is formed when


47 ➤ 47. Where water splitting complex associated with PS II is situated?


48 ➤ 48. Where are the protons and O2 formed likely to be released?


49 ➤ 49. Phosphorylation occurs in


50 ➤ 50. Oxidative phosphorylation occurs in


51 ➤ 51. The place where cyclic flaw of electrons occur:


52 ➤ 52. Stroma lamellae lacks all except


53 ➤ 53. Which of the following is incorrect about cyclic photophosphorylation?


54 ➤ 54. What is the processes that creates proton gradient across thylakoid membrane?


55 ➤ 55. During light reaction


56 ➤ 56. Which acts as a transmembrane channel?


57 ➤ 57. Chemiosmosis requires


58 ➤ 58. Which type of phosphorylation takes place in photosynthesis?


59 ➤ 59. Unidirectional flow of electrons in photophosphorylation takes place in


60 ➤ 60. In light reaction of photosynthesis, the chlorophyll is subjected to


61 ➤ 61. Photosynthetic pigments in chloroplast are embedded in the membrane of


62 ➤ 62. Identify A to D in the given figure.
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63 ➤ 63. Which of the following wavelength occurs in red part of the spectrum?


64 ➤ 64. The process for which manganese and chloride ions are required in


65 ➤ 65. What is the absorption maxima of P-700?


66 ➤ 66. NADPH2 is generated through


67 ➤ 67. Identify A to D in the given figure.
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68 ➤ 68. Quantasomes are present in


69 ➤ 69. Which of the chlorophyll type ejects the electron during photophosphorylation?


70 ➤ 70. In cyclic photophosphorylation which one of the following is formed?


71 ➤ 71. Where does the primary photochemical reaction occur in chloroplast/Where does the light reaction of photosynthesis takes place?


72 ➤ 72. The trapping centre of light energy in photosystem I is


73 ➤ 73. What indicates A to D in the given figure?
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74 ➤ 74. Pigment system I conducts


75 ➤ 75. Pigment system II is concerned with


76 ➤ 76. Photophosphorylation is a process in which


77 ➤ 77. The reaction centre for PS I and PS II are


78 ➤ 78. Results of light reaction is/are


79 ➤ 79. Biosynthetic phase of life uses all except _________ that is produced in photochemical phase.


80 ➤ 80. If light is available for a given duration and then again made unavailable, the biosynthetic process will


81 ➤ 81. Which of the following is correct about biosynthetic phase?


82 ➤ 82. The similarity between C3 and C4 pathway is:


83 ➤ 83. Which pathway takes place in all photosynthetic plant?


84 ➤ 84. For easy understanding, the Calvin cycle is divided into how many stages?


85 ➤ 85. Calvin cycle includes


86 ➤ 86. Which process of Calvin cycle requires RuBP?


87 ➤ 87. Reduction process of Calvin cycle requires how many ATP and NADPH for the reduction of one molecule of CO2?


88 ➤ 88. How many moles of ATP is required to regenerate one mole of RuBP?


89 ➤ 89. The first stable product of Calvin cycle has


90 ➤ 90. In dark reaction, the first reaction is


91 ➤ 91. In C4 plants, CO2 combines with PEP in the presence of


92 ➤ 92. Dark reaction of photosynthesis is called so because it


93 ➤ 93. The initial enzyme of Calvin cycle is


94 ➤ 94. During photosynthesis, when PGA is changed into phosphoglyceraldehyde, which of the following reaction occurs?


95 ➤ 95. Ribulose diphosphate carboxylase enzyme catalyses the carboxylation reaction between


96 ➤ 96. Calvin cycle occurs in


97 ➤ 97. In C3 plants, the first stable product of photosynthesis during dark reaction is


98 ➤ 98. How many Calvin cycle forms one hexose molecule?


99 ➤ 99. In which plant Calvin experimented the radioactive isotopy to discover the stable product of C3 cycle?


100 ➤ 100. Mesophyll chloroplast of which plant alone is capable of synthesizing starch or sucrose?


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