NEET Biology Photosynthesis in Higher Plants Question Bank

done Experiments Total Questions - 28

• question_answer1)
  Which of the following radioactive oxygen was used to detect the source of oxygen in photosynthesis
  A)
  \[{{O}^{12}}\] done clear
  B)
  \[{{O}^{16}}\] done clear
  C)
  \[{{O}^{18}}\] done clear
  D)
  \[{{O}^{15}}\] done clear
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• question_answer2)
  If in a photosynthetic system\[{{H}_{2}}{{O}^{18}}\]type is provided, what will be the type of oxygen released in the process
  A)
  \[{{O}^{18}}\] done clear
  B)
  \[{{O}^{16}}\] done clear
  C)
  \[{{O}_{2}}\]normal done clear
  D)
  None of the above done clear
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• question_answer3)
  During formation of glucose which of the following is obtained from water
  A)
  Oxygen done clear
  B)
  Hydrogen done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
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• question_answer4)
  Which of the following is obtained from\[C{{O}_{2}}\]during glucose manufacture
  A)
  Oxygen done clear
  B)
  Carbon done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
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• question_answer5)
  Warburg studied his effect on
  A)
  Chlamydomonas done clear
  B)
  Chlorella done clear
  C)
  Volvox done clear
  D)
  All the above done clear
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• question_answer6)
  McAlister and Mayer have studied the Warburg's effect on
  A)
  Pea done clear
  B)
  Arachis done clear
  C)
  Soyabean done clear
  D)
  All the above done clear
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• question_answer7)
  Discovery of Emerson effect has clearly shown the existence of [MP PMT 1987; BHU 1979]
  A)
  Two distinct photochemical reactions or processes done clear
  B)
  Light and dark reactions in photosynthesis done clear
  C)
  Photophosphorylation done clear
  D)
  Photorespiration done clear
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• question_answer8)
  During photosynthesis, the oxygen in glucose comes from [DPMT 1982, 83; CPMT 1972, 81; MP PMT 1984]
  A)
  Water                   done clear
  B)
  Carbon dioxide done clear
  C)
  Both from\[C{{O}_{2}}\]and water done clear
  D)
  Oxygen in air done clear
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• question_answer9)
  The experimental material that has largely been responsible for making rapid advances in research on photosynthesis is [CPMT 1985; RPMT 2002]
  A)
  Chlamydomonas done clear
  B)
  Spinach leaf done clear
  C)
  Chlorella done clear
  D)
  Hydrilla done clear
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• question_answer10)
  Which of the method is more effective to know the chemical pathway of a physiological process
  A)
  Titration method done clear
  B)
  Calorimetric method done clear
  C)
  Tracer technique done clear
  D)
  None of the above done clear
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• question_answer11)
  The oxygen produced during photosynthesis comes from photolysis of water was first time proved by [MP PMT 1984, 88, 95]
  A)
  Ruben and Kamen done clear
  B)
  Robert Mayer done clear
  C)
  Malvin Calvin done clear
  D)
  Blackman done clear
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• question_answer12)
  The first experiment on photosynthesis in flashing light were carried out by [MP PMT 1990]
  A)
  F. F. Blackman done clear
  B)
  Robert Emerson and Arnold done clear
  C)
  Melvin Calvin done clear
  D)
  Robert Hill done clear
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• question_answer13)
  Moll's experiment shows [MP PMT 1989; AFMC 1987; KCET 2001]
  A)
  Unequal transpiration from two surfaces of leaf done clear
  B)
  Relation between transpiration and absorption done clear
  C)
  \[C{{O}_{2}}\]is required for photosynthesis done clear
  D)
  Chlorophyll is essential for photosynthesis done clear
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• question_answer14)
  Algae used by Calvin and associates for photosynthetic research is [BHU 1987, 91; RPMT 2002]
  A)
  Chlorella done clear
  B)
  Chlamydomonas done clear
  C)
  Volvox done clear
  D)
  All the above done clear
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• question_answer15)
  The path of\[C{{O}_{2}}\]in the dark reaction of photosynthesis was successfully traced by the use of the following or The dark reaction is traced by [CPMT 1990; MP PMT 1987; BHU 1992]
  A)
  \[{{O}_{2}}^{18}\] done clear
  B)
  \[{{C}^{14}}{{O}_{2}}\] done clear
  C)
  \[{{p}^{36}}\] done clear
  D)
  X-rays done clear
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• question_answer16)
  Blackman demonstrated that increasing illumination increased the photosynthetic rate upto a point when\[C{{O}_{2}}\]becomes limiting. If light was not limiting, temperature becomes limiting. Emerson found that maximum\[C {{O} _ {2}}\] fixation could be achieved with brief flashes of light. Mark the correct statement in the following [CPMT 1988, 89]
  A)
  Only one factor can be limited in photosynthesis done clear
  B)
  Photosynthesis consists of a light and dark reaction done clear
  C)
  The trapping of light by chloroplast is temperature dependent done clear
  D)
  The trapping of light by chloroplast can occur only if\[C {{O} _ {2}}\] is present done clear
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• question_answer17)
  Persons who received Nobel Prizes for their work with green plants are [NCERT 1984]
  A)
  Calvin and Waston done clear
  B)
  Calvin and Borlang done clear
  C)
  Beadle and Tatum done clear
  D)
  Flemming and Waksman done clear
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• question_answer18)
  The thylakoids are removed and kept in a culture medium containing\[C{{O}_{2}}\]and\[{{H}_{2}}O\]. If the setup is exposed to light, hexose sugars are not formed as the end product. The most appropriate reason for this will be that [AIIMS 1980, 85]
  A)
  Carbon assimilation cannot take place done clear
  B)
  The pigments (P-700 and P-680) are not linked done clear
  C)
  Enzymes are not available done clear
  D)
  The light trapping device is not functional done clear
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• question_answer19)
  Isotopes popularly known to have been used in the study of photosynthesis are [BHU 1985]
  A)
  \[{{C}^{14}}\]and\[{{O}^{18}}\] done clear
  B)
  \[{{C}^{11}}\]and\[{{C}^{32}}\] done clear
  C)
  \[{{C}^{16}}\]and\[{{N}^{15}}\] done clear
  D)
  \[{{p}^{32}}\]and\[{{C}^{15}}\] done clear
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• question_answer20)
  Extraction and separation of chlorophylls and carotenoids tackles by
  A)
  Moll's half-leaf experiment done clear
  B)
  Paper chromatography method done clear
  C)
  Ganong's light screen done clear
  D)
  All the above done clear
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• question_answer21)
  The graph given below shows the effect of potassium cyanide on the rate of photosynthesis of Chlorella at different light intensities. Which one of the following can be deduced from the graph
  A)
  Potassium cyanide appears to inhibit the light (Hill) reaction done clear
  B)
  Potassium cyanide appears to absorb more light at high light intensities done clear
  C)
  Potassium cyanide appears to inhibit photosynthesis equally at high and low light intensities done clear
  D)
  Potassium cyanide appears to have no inhibiting effect on photosynthesis at low light intensities done clear
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• question_answer22)
  When a rat was placed into a closed container, it got suffocated and died but when a plant was also introduced into it, the rat survived. Who performed this experiment
  A)
  Ingenhousz done clear
  B)
  Priestley done clear
  C)
  Englemann done clear
  D)
  Thimann done clear
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• question_answer23)
  What plant is used in an experiment commonly performed in laboratory in demonstrate evolution of oxygen in photosynthesis [RPMT 1997]
  A)
  Sunflower done clear
  B)
  Hydrilla done clear
  C)
  Croton done clear
  D)
  Balsam done clear
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• question_answer24)
  Two plants A and B are supplied with\[C{{O}_{2}}\]with\[{{H}_{2}}{{O}^{18}}\]and\[C{{O}_{2}}^{18}\]with\[{{H}_{2}}O\]respectively which of the following plant releases O18 type oxygen in photosynthesis [CPMT 2000]
  A)
  A plant done clear
  B)
  B plant done clear
  C)
  Both [a] and [b] done clear
  D)
  First [a] and then [b] done clear
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• question_answer25)
  Path of carbon in photosynthesis was found by using  [Kerala CET 2002]
  A)
  Centrifugation done clear
  B)
  Radio isotopes   done clear
  C)
  Fractionation done clear
  D)
  Chromatography done clear
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• question_answer26)
  Variegated leaves of a plant were supplied with radioactive carbon dioxide (nothing\[^{14}C{{O}_{2}}\]) during an experiment. Leaf X was kept in the dark and leaf Y was kept in the light. At the end of the experiment the radioactivity in the leaves was measured and found to be as shown on the diagram below. What is the most likely explanation for the level of radioactivity found in the yellow zone of Y [BVP 2003]
  A)
  Photosynthesis occurs but no storage of starch occurs in this zone done clear
  B)
  Radioactive carbon dioxide diffuses into the leaf and accumulates here done clear
  C)
  Products of photosynthesis diffuse into the yellow zone done clear
  D)
  Photosynthesis proceeds slowly in the absence of chlorophyll a and b done clear
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• question_answer27)
  Engelmann's experiment with Spirogyra demonstrated that [BVP 2003]
  A)
  The full spectrum of sunlight is needed for photosynthesis done clear
  B)
  Only red wavelengths are effective in causing photosynthesis done clear
  C)
  Only blue wavelengths are effective done clear
  D)
  Both blue and red wavelengths are effective done clear
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• question_answer28)
  Pastur's effect is [Wardha 2005]
  A)
  Stoppage of fermentation in presence of oxygen done clear
  B)
  Increase in fermentation in presence of oxygen done clear
  C)
  Decrease in fermentation in presence of oxygen done clear
  D)
  No effect on fermentation done clear
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