NEET Biology Photosynthesis in Higher Plants Question Bank

done Photosynthetic Apparatus and General Total Questions - 82

• question_answer1)
  The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as     [BHU 1999]
  A)
                  Etiolation done clear
  B)
                  Chlorosis done clear
  C)
                  Dechlorosis             done clear
  D)
                  Dark effect done clear
  View Solution play_arrow

• question_answer2)
  The shade loving plants are called
  A)
                  Heliophytes             done clear
  B)
                  Sciophytes done clear
  C)
                  Chasmophytes        done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer3)
  The example of sun-drassers are
  A)
                  Mango     done clear
  B)
                  Saraca indica done clear
  C)
                  Ferns       done clear
  D)
                  Palm done clear
  View Solution play_arrow

• question_answer4)
  Ribulose phosphate is a
  A)
                  Aldose sugar           done clear
  B)
                  Ketose sugar done clear
  C)
                  Disaccharide           done clear
  D)
                  Trisaccharide done clear
  View Solution play_arrow

• question_answer5)
  Which of the following has been used in photosynthetic researches
  A)
                  Scenedesmus          done clear
  B)
                  Chlorella done clear
  C)
                  Both [a] and [b]      done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer6)
  A granum is made up of
  A)
                  Single thylakoid done clear
  B)
                  Two thylakoids done clear
  C)
                  Many thylakoids arranged one above the other done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer7)
  Solar energy is converted into ATP in    [CPMT 1990]
  A)
                  Mitochondria          done clear
  B)
                  Chloroplasts done clear
  C)
                  Ribosomes              done clear
  D)
                  Peroxisomes done clear
  View Solution play_arrow

• question_answer8)
  Osmophilic granules are present in
  A)
                  Plasma membrane done clear
  B)
                  Cytoplasm done clear
  C)
                  Chloroplast              done clear
  D)
                  Ribosomes done clear
  View Solution play_arrow

• question_answer9)
  Which of the following equation can be more appropriate for photosynthesis   [KCET 1994; Kerala PMT 2004]
  A)
                \[6C{{O}_{2}}+6{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,{{C}_{2}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] done clear
  B)
  \[6C{{O}_{2}}+12{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+6{{O}_{2}}\] done clear
  C)
            \[12C{{O}_{2}}+6{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,2{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer10)
  How much percentage of absorbed water is used in photosynthesis
  A)
                  1%           done clear
  B)
                  5% done clear
  C)
                  10%         done clear
  D)
                  90% done clear
  View Solution play_arrow

• question_answer11)
  The starch is insoluble in water even than it is stored in potato in more quantity
  A)
                  By microbes done clear
  B)
                  Because it is manufactured in tuber done clear
  C)
                  Because plants use it as food done clear
  D)
                  Because first it come to tuber as sugar solution then it is stored as starch done clear
  View Solution play_arrow

• question_answer12)
  The plant Cuscuta shows maximum photosynthesis in
  A)
                  Red light done clear
  B)
                  Blue light done clear
  C)
                  Green light              done clear
  D)
                  No photosynthesis at all done clear
  View Solution play_arrow

• question_answer13)
  Photosynthesis is a process of
  A)
                  Oxidation of food    done clear
  B)
                  Manufacture of food done clear
  C)
                  Both [a] and [b]      done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer14)
  Which of the following is anabolic process
  A)
                  Synthesis of carbohydrate done clear
  B)
                  Synthesis of fat done clear
  C)
                  Synthesis of protein done clear
  D)
                  All the above done clear
  View Solution play_arrow

• question_answer15)
  85-90% of all photosynthesis of the world is carried out by [CPMT 1972, 79; DPMT 1989]
  A)
                  Shrubs done clear
  B)
                  Herbs done clear
  C)
                  Oceanic algae done clear
  D)
                  Trees with large branches done clear
  View Solution play_arrow

• question_answer16)
  In presence of light, green plants convert carbon dioxide and water into food stuffs. Which of the following is likely to be the first substance that a green plant makes in photosynthesis
  A)
                  A simple sugar        done clear
  B)
                  Starch done clear
  C)
                  Cellulose done clear
  D)
                  Fat done clear
  View Solution play_arrow

• question_answer17)
  The balance between\[C{{O}_{2}}\]and\[{{O}_{2}}\]is brought about by [Bihar MDAT 1995]
  A)
                  Transpiration          done clear
  B)
                  Photosynthesis done clear
  C)
                  \[{{C}_{4}}\] pathway             done clear
  D)
                  Photorespiration done clear
  View Solution play_arrow

• question_answer18)
  The synthesis of ATP in photosynthesis and respiration is essentially an oxidation-reduction process involving removal of energy from [CBSE PMT 1992; CPMT 1988]
  A)
                  Oxygen    done clear
  B)
                  Phytochrome done clear
  C)
                  Cytochrome             done clear
  D)
                  Electrons done clear
  View Solution play_arrow

• question_answer19)
  All plastids have essentially same structure because [CBSE PMT 1992]
  A)
                  They have to perform same function done clear
  B)
                  They are localized in aerial parts of plants done clear
  C)
                  All plastids store starch, lipid and proteins done clear
  D)
                  One type of plastid can be differentiated into another type of plastid depending on cell requirements done clear
  View Solution play_arrow

• question_answer20)
  Wavelength of green light is                                  [BHU 1982]
  A)
                  \[400-500m\mu \] done clear
  B)
                  \[500-550m\mu \] done clear
  C)
                  \[660-720m\mu \] done clear
  D)
                  \[720-800m\mu \] done clear
  View Solution play_arrow

• question_answer21)
  Chemosynthesis and photosynthesis are alike in that both [CPMT 1988]
  A)
                  Are associated with heterotroph done clear
  B)
                  Require sunlight as an energy source done clear
  C)
                  Methods of autotrophic nutrition done clear
  D)
                  Occur in tracheaphytes done clear
  View Solution play_arrow

• question_answer22)
  Ribulose diphosphate carboxylase oxygenase is located in [BHU 1989]
  A)
                  Mitochondria          done clear
  B)
                  Choloroplasts done clear
  C)
                  Peroxisomes           done clear
  D)
                  Golgi bodies done clear
  View Solution play_arrow

• question_answer23)
  The percentage of light energy utilized for photosynthesis by higher plants is   [CPMT 1972, 91; BHU 1979; RPMT 1990]
  A)
                  100%       done clear
  B)
                  50 % done clear
  C)
                  10%         done clear
  D)
                  1 to 2% done clear
  View Solution play_arrow

• question_answer24)
  During photosynthesis [NCERT 1978; MP PMT 1990; CPMT 1998, 2003; Pb. PMT 2000, 03]
  A)
                  Both\[C{{O}_{2}}\]and water get oxidized done clear
  B)
                  Both\[C{{O}_{2}}\]and water get reduced done clear
  C)
                  Water is reduced and\[C{{O}_{2}}\]is oxidized done clear
  D)
                  Carbon dioxide gets reduced and water get oxidised done clear
  View Solution play_arrow

• question_answer25)
  Which of the following is the bye-product of photosynthesis
  A)
                  Potential energy     done clear
  B)
                  Energy done clear
  C)
                  Carbon dioxide        done clear
  D)
                  Oxygen done clear
  View Solution play_arrow

• question_answer26)
  Assimilatory power refers to [JIPMER 1990; BHU 1983; AFMC 1994]
  A)
                  Generation of\[ATP\]and\[NADP{{H}_{2}}\] done clear
  B)
                  Reduction of\[C{{O}_{2}}\] done clear
  C)
                  Splitting of water done clear
  D)
                  Disintegration of plastids done clear
  View Solution play_arrow

• question_answer27)
  Grana refers to                                       [BHU 1984]
  A)
                  Stacks of thylakoids in plastids of higher plants done clear
  B)
                  A constant in quantum equation done clear
  C)
                  Glycolysis of glucose done clear
  D)
                  Bye product of photosynthesis done clear
  View Solution play_arrow

• question_answer28)
  Intact chloroplast from green leaves can be isolated by [AIIMS 1990]
  A)
                  Acetone   done clear
  B)
                  Ethanol done clear
  C)
                  Alcohol    done clear
  D)
                  Sugar solution done clear
  View Solution play_arrow

• question_answer29)
  Photosynthetic phosphorylation is
  A)
                  Oxidative process   done clear
  B)
                  Photo process done clear
  C)
                  Both [a] and [b]      done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer30)
  Phenomenon which converts light energy into chemical energy is                                      [AFMC 1985, 2005]
  A)
                  Respiration             done clear
  B)
                  Photosynthesis done clear
  C)
                  Transpiration          done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer31)
  Photosynthesis is a [JIPMER 1986; MHCET 2002]
  A)
                  Exothermic process done clear
  B)
                  Exergonic process done clear
  C)
                  Anabolic process     done clear
  D)
                  Catabolic process done clear
  View Solution play_arrow

• question_answer32)
  Leaves appear green because they                        [NCERT 1982]
  A)
                  Reflect green light done clear
  B)
                  Absorb green light done clear
  C)
                  Both reflect and absorb green light done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer33)
  In photosynthesis, oxygen is liberated due to  [DPMT 1983; MP PMT 1999]
  A)
                  Reduction of carbon dioxide done clear
  B)
                  Hydrolysis of carbohydrate done clear
  C)
                  Photolysis of water done clear
  D)
                  Breakdown of chlorophyll done clear
  View Solution play_arrow

• question_answer34)
   Chloroplast fixes                                    [DPMT 1987]
  A)
                  \[{{O}_{2}}\]           done clear
  B)
                  \[{{H}_{2}}\] done clear
  C)
                  \[C{{O}_{2}}\]         done clear
  D)
                  \[{{N}_{2}}\] done clear
  View Solution play_arrow

• question_answer35)
  Quantasomes contain            [CPMT 1982; MP PMT 1984]
  A)
                  200 chlorophyll molecules done clear
  B)
                  230 chlorophyll molecules done clear
  C)
                  250 chlorophyll molecules done clear
  D)
                  300 chlorophyll molecules done clear
  View Solution play_arrow

• question_answer36)
  Two chief functions of leaves are                          [NCERT 1985]
  A)
                  Photosynthesis and respiration done clear
  B)
                  Photosynthesis and transpiration done clear
  C)
                  Transpiration and respiration done clear
  D)
                  Respiration and digestion done clear
  View Solution play_arrow

• question_answer37)
  For photosynthesis (i.e. for the synthesis of organic matter), the green plants need only                                  [AFMC 1987]
  A)
                  Light        done clear
  B)
                  Chlorophyll done clear
  C)
                  \[C{{O}_{2}}\]and water         done clear
  D)
                  All of these done clear
  View Solution play_arrow

• question_answer38)
  Besides water and light, which  is more essential as a raw material for food formation                                  [BHU 1979]
  A)
                  \[{{O}_{2}}\]           done clear
  B)
                  \[C{{O}_{2}}\] done clear
  C)
                  Mineral salts           done clear
  D)
                  NAD done clear
  View Solution play_arrow

• question_answer39)
  \[C{{O}_{2}}\]is formed in all of the following except          [BHU 1977]
  A)
                  Burning of sugar     done clear
  B)
                  Respiration in plants done clear
  C)
                  Photosynthesis by plants        done clear
  D)
                  On heating of limestone done clear
  View Solution play_arrow

• question_answer40)
  The gas absorbed during photosynthesis is           [CPMT 1986]
  A)
                  Oxygen    done clear
  B)
                  Nitrogen done clear
  C)
                  Ammonia                done clear
  D)
                  Carbon dioxide done clear
  View Solution play_arrow

• question_answer41)
  Which branch of Botany is concerned with the study of photosynthesis                                              [AMU 1990]
  A)
                  Ecology    done clear
  B)
                  Psycology done clear
  C)
                  Plant physiology      done clear
  D)
                  Embryology done clear
  View Solution play_arrow

• question_answer42)
   Approximate amount of water on earth which split by photosynthesis once every 2 million years is
  A)
                  10 million\[k{{m}^{3}}\]         done clear
  B)
                  15 million\[k{{m}^{3}}\] done clear
  C)
                  20 million\[k{{m}^{3}}\]         done clear
  D)
                  25 million\[k{{m}^{3}}\] done clear
  View Solution play_arrow

• question_answer43)
  For the process of photosynthesis all except one of the following items are essential. Point out the exception [MP PMT 1986]
  A)
                  Water, minerals done clear
  B)
                  Light, chlorophyll done clear
  C)
                  \[C{{O}_{2}}\], optimum temperature done clear
  D)
                  Oxygen, sucrose done clear
  View Solution play_arrow

• question_answer44)
  In angiosperms, synthesis of chlorophyll occurs in presence of [CPMT 1984]
  A)
                  Phytochrome           done clear
  B)
                  Light done clear
  C)
                  Cytochrome             done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer45)
  The ultraviolet radiations from the sun cause reactions that produce                                                 [CPMT 1982]
  A)
                  Carbon monoxide    done clear
  B)
                  Carbon dioxide done clear
  C)
                  Ozone      done clear
  D)
                  Fluorides done clear
  View Solution play_arrow

• question_answer46)
  Which of the following is not required in the synthesis of carbohydrates                                           [CPMT 1985]
  A)
                  \[C{{O}_{2}}\]         done clear
  B)
                  Chlorophyll done clear
  C)
                  Nitrogen  done clear
  D)
                  Water done clear
  View Solution play_arrow

• question_answer47)
  Which one of the following is due energy currency of the cell or The common immediate source of energy in cellular activity is [MP PMT 1986; CPMT 1977, 80, 89, 91]
  A)
                  Phosphate               done clear
  B)
                  ATP done clear
  C)
                  ADP         done clear
  D)
                  AMP done clear
  View Solution play_arrow

• question_answer48)
  The process of photosynthesis takes place in [CMC Vellore 1984]
  A)
                  Roots only done clear
  B)
                  Shoot only done clear
  C)
                  All the cells of plant done clear
  D)
                  Chlorophyll containing cells only done clear
  View Solution play_arrow

• question_answer49)
  Light energy is converted into chemical energy in the presence of                                      [MP PMT 1994]
  A)
                  Pyrenoids done clear
  B)
                  Chloroplasts done clear
  C)
                  Ribosomes              done clear
  D)
                  Mesosomes done clear
  View Solution play_arrow

• question_answer50)
  Intensity of light can be measured by
  A)
                  Lux meter                done clear
  B)
                  Wilmott's bubbler done clear
  C)
                  Ganong's potometer              done clear
  D)
                  Farmer's photometer done clear
  View Solution play_arrow

• question_answer51)
  Phylloclade, the modified photosynthetic organ is a
  A)
                  Flattened leaf         done clear
  B)
                  Flattened petiole done clear
  C)
                  Flattened stem       done clear
  D)
                  None of the above done clear
  View Solution play_arrow

• question_answer52)
  Importance of photosynthesis is due to
  A)
                  Synthesis of food done clear
  B)
                  Purification of atmosphere done clear
  C)
                  Provided vast resources of energy done clear
  D)
                  All the above done clear
  View Solution play_arrow

• question_answer53)
  Algae float in the water during day time and sink during night time because
  A)
                  They become buoyant due to consumption of food materials in respiration done clear
  B)
                  They lose weight at night done clear
  C)
                  They come up to enjoy sunshine done clear
  D)
                  They become buoyant in light due to accumulation of oxygen bubbles released in photosynthesis done clear
  View Solution play_arrow

• question_answer54)
  Quantasomes are found in                                     [RPMT 1995]
  A)
                  Surface of cristae done clear
  B)
                  Surface of plasma membrane done clear
  C)
                  Surface of nuclear membrane done clear
  D)
                  Surface of thylakoids done clear
  View Solution play_arrow

• question_answer55)
  Photosynthesis is a process in which     [BHU 1995]
  A)
                  \[C{{O}_{2}}\]is reduced to carbohydrate done clear
  B)
                  NADH is reduced to NAD done clear
  C)
                  ATP is generated done clear
  D)
                  Oxidative phosphorylation occurs done clear
  View Solution play_arrow

• question_answer56)
  Aerobic atmosphere is maintained by
  A)
                  Prokaryotes             done clear
  B)
                  Protists done clear
  C)
                  Plants      done clear
  D)
                  Fungi done clear
  View Solution play_arrow

• question_answer57)
  What is the unique process which has supported life on this planet
  A)
                  \[{{N}_{2}}-\]fixation              done clear
  B)
                  Photosynthesis done clear
  C)
                  Protein synthesis    done clear
  D)
                  Respiration done clear
  View Solution play_arrow

• question_answer58)
  Total amount of the dry weight of photosynthate produced by all type of plants per annum is                         [AMU 1992]
  A)
                  1.7 million tonnes   done clear
  B)
                  17 million tonnes done clear
  C)
                  170 million tonnes  done clear
  D)
                  1700 million tonnes done clear
  View Solution play_arrow

• question_answer59)
  How many molecules of water are needed by a green plant to produce one molecule of hexose/ reduce 6 molecules of CO2
  A)
                  6              done clear
  B)
                  12 done clear
  C)
                  24            done clear
  D)
                  One only done clear
  View Solution play_arrow

• question_answer60)
  What is the common value of PQ (photosynthetic quotient) of a leaf
  A)
                  > 1           done clear
  B)
                  < 1 done clear
  C)
                  One         done clear
  D)
                  Zero done clear
  View Solution play_arrow

• question_answer61)
  Which group is not alike                                         [EAMCET 1980]
  A)
                  Enzyme and protein synthesis done clear
  B)
                  Osmosis and diffusion done clear
  C)
                  Photosynthesis and respiration done clear
  D)
                  Growth and movement done clear
  View Solution play_arrow

• question_answer62)
  The detectable end product of photosynthesis is
  A)
                  Glucose done clear
  B)
                  Fructose 1, 6 diphosphate done clear
  C)
                  Ribulose phosphate done clear
  D)
                  Starch done clear
  View Solution play_arrow

• question_answer63)
  Sugar produced in photosynthesis is converted into starch in
  A)
                  All plants done clear
  B)
                  Majority of plants done clear
  C)
                  Algae only               done clear
  D)
                  Bacteria only done clear
  View Solution play_arrow

• question_answer64)
  The gas released in photosynthesis is
  A)
                  Pure\[C{{O}_{2}}\]  done clear
  B)
                  Pure\[{{O}_{2}}\] done clear
  C)
                  Mainly\[C{{O}_{2}}\]              done clear
  D)
                  Mainly\[{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer65)
  The most vital process for the existence of life on earth is [KCET 1994]
  A)
                  Communication in animals done clear
  B)
                  Photosynthesis by plants done clear
  C)
                  Reproduction in plants and animals done clear
  D)
                  Respiration in animals done clear
  View Solution play_arrow

• question_answer66)
  Plants are known as purifiers of air due to process of [MP PMT 1996]
  A)
                  Respiration             done clear
  B)
                  Photosynthesis done clear
  C)
                  Transpiration          done clear
  D)
                  Desiccation done clear
  View Solution play_arrow

• question_answer67)
  The use of solar cooker by man is copying of which one by the following processes
  A)
                  Photosynthesis        done clear
  B)
                  Respiration done clear
  C)
                  Guttation done clear
  D)
                  Photorespiration done clear
  View Solution play_arrow

• question_answer68)
  Which process is related with photosynthesis      [CPMT 1998]
  A)
                  Phosphorylation      done clear
  B)
                  Translation done clear
  C)
                  Transcription           done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer69)
  The full expansion of NADP is                                                [RPMT 1997]
  A)
                  Nicotinamide adenine diphosphate done clear
  B)
                  Nicotinamide adenosine diphosphate done clear
  C)
                  Nicotinamide adenine dinucleotide phosphate done clear
  D)
                  Nicotinamide adenosine dinucleotide phosphate done clear
  View Solution play_arrow

• question_answer70)
  Make suitable pair                 A.             Emerson effect                       a.             \[{{C}_{4}}\]cycle                 B.             Hill reaction                            b.             Photolysis                 C.             Calvin's cycle                           c.             \[{{C}_{3}}\]cycle                 D.             Hatch and Slack cycle             d.             Photosystem-I and II [RPMT 1997]
  A)
                  Aa, Bb, Cc, Dd         done clear
  B)
                  Aa, Bc, Cd, Da done clear
  C)
                  Ac, Bd, Ca, Db         done clear
  D)
                  Ad, Bb, Cc, Da done clear
  View Solution play_arrow

• question_answer71)
  In photosynthesis, energy from light reaction to dark reaction is transferred in the form of              [CBSE PMT 2002]
  A)
                  ADP         done clear
  B)
                  ATP done clear
  C)
                  RUDP       done clear
  D)
                  Chlorophyll done clear
  View Solution play_arrow

• question_answer72)
  Dimorphic chloroplasts are present in   [MHCET 2002]
  A)
                  Sugar cane              done clear
  B)
                  Cotton done clear
  C)
                  Pea          done clear
  D)
                  Mango done clear
  View Solution play_arrow

• question_answer73)
  In photosynthesis, plants [CPMT 1988; AFMC 2003; MP PMT 2004]
  A)
                  Absorb \[{{O}_{2}}\] and release \[C{{O}_{2}}\] done clear
  B)
                  Absorb \[C{{O}_{2}}\]and release \[{{O}_{2}}\] done clear
  C)
                  Absorb \[N{{H}_{3}}\]and release \[{{N}_{2}}\] done clear
  D)
                  Absorb \[{{N}_{2}}\] and release \[N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer74)
  Emerson effect explain the phenomenon of  [Kerala CET 2003; KCET 2003]
  A)
                  Transpiration done clear
  B)
                  Absorption of water by roots done clear
  C)
                  Photosynthesis done clear
  D)
                  Respiration done clear
  View Solution play_arrow

• question_answer75)
  Match the sites in column I with the processes in column II and choose the correct combination from the options

  	Column I		Column II
  A.	Grana of chloroplast	1.	Kreb's cycle
  B.	Stroma of chloroplast	2.	Light reaction
  C.	Cytoplasm	3.	Dark reaction
  D.	Mitochondrial matrix	4.	Glycolysis

  [Kerala PMT 2004]
  A)
                  A-4, B-3, C-2, D-1    done clear
  B)
                  A-1, B-2, C-4, D-3 done clear
  C)
                  A-2, B-1, C-3, D-4    done clear
  D)
                  A-3, B-4, C-1, D-2 done clear
  E)
                  A-2, B-3, C-4, D-1 done clear
  View Solution play_arrow

• question_answer76)
  Suspension of isolated thylakoids in culture medium containing \[C{{O}_{2}}\] and \[{{H}_{2}}O\] does not produce hexose due to absence of which of the following                           [DPMT 2004]
  A)
                  ATP          done clear
  B)
                  Enzyme done clear
  C)
                  Proteins   done clear
  D)
                  Hill reagent done clear
  View Solution play_arrow

• question_answer77)
  Photosynthetically least efficient radiation is       [Manipal 2005]
  A)
                  Blue         done clear
  B)
                  Yellow done clear
  C)
                  Green      done clear
  D)
                  Red done clear
  View Solution play_arrow

• question_answer78)
  Quantasome are present in                                   [Haryana PMT 2005]
  A)
                  Stroma    done clear
  B)
                  Grana done clear
  C)
                  Mitochondria          done clear
  D)
                  Golgi body done clear
  View Solution play_arrow

• question_answer79)
  The first event in photosynthesis is [CPMT 1975, 80, 81, 84; AFMC 1984, 86, 88; JIPMER 1987, 2002]
  A)
                  Synthesis of ATP done clear
  B)
                  Photoexcitation of chlorophyll and ejection of electron done clear
  C)
                  Photolysis of water done clear
  D)
                  Release of oxygen done clear
  View Solution play_arrow

• question_answer80)
  During the course of photosynthesis      [CPMT 1985]
  A)
                  ATP is formed done clear
  B)
                  ATP is not formed done clear
  C)
                  Oxygen evolved comes from carbon dioxide done clear
  D)
                  Water is required as medium but it does not take part in photosynthetic reactions done clear
  View Solution play_arrow

• question_answer81)
  Which of the following is initiating step in photosynthesis [CBSE PMT 2000; AIEEE 2004]
  A)
                  ATP formation        done clear
  B)
                  Glucose formation done clear
  C)
                  Photolysis of water done clear
  D)
                  Activation of chlorophyll by sunlight done clear
  View Solution play_arrow

• question_answer82)
  The first step in photosynthesis is                         [AIEEE 2004]
  A)
                  Formation of ATP done clear
  B)
                  Ionisation of water done clear
  C)
                  Excitation of an electron of chlorophyll by a photon of light done clear
  D)
                  Attachment of \[C{{O}_{2}}\] to \[{{H}^{+}}\]ion done clear
  View Solution play_arrow