Solved papers for NEET Biology NEET PYQ-Photosynthesis and Translocation of Organic Solute

done NEET PYQ-Photosynthesis and Translocation of Organic Solute Total Questions - 75

• question_answer1) Photochrome becomes active in: [AIPMT 1998]
  A)
  green light
  done clear
  B)
  blue light
  done clear
  C)
    red light
  done clear
  D)
  none of these
  done clear
  View Answer play_arrow

• question_answer2) Which one of the following statements about cytochrome P450 is wrong? [AIPMT 1998]
  A)
  It has an important role in metabolism
  done clear
  B)
  It contains iron
  done clear
  C)
  It is a coloured cell
  done clear
  D)
  It is an enzyme involved in oxidation reactions
  done clear
  View Answer play_arrow

• question_answer3) Carbon dioxide acceptor in C3-plants is: [AIPMT 1999]
  A)
  PGA
  done clear
  B)
  RuDP
  done clear
  C)
  PEP
  done clear
  D)
  none of these
  done clear
  View Answer play_arrow

• question_answer4) The rate of photosynthesis is higher in: [AIPMT 1999]
  A)
  red light
  done clear
  B)
  blue light
  done clear
  C)
    green light
  done clear
  D)
  very high light
  done clear
  View Answer play_arrow

• question_answer5) For yielding one molecule of glucose, the Calvin cycle turns: [AIPMT 2000]
  A)
  two times
  done clear
  B)
  four times
  done clear
  C)
    six times
  done clear
  D)
  eight times
  done clear
  View Answer play_arrow

• question_answer6) Photochemical reactions in the chloroplast are directly involved in: [AIPMT 2000]
  A)
  photolysis of water and phosphorylation of ADP to ATP
  done clear
  B)
  formation of phosphoglyceric acid
  done clear
  C)
  synthesis of glucose and starch     
  done clear
  D)
  fixation of carbon dioxide
  done clear
  View Answer play_arrow

• question_answer7) The first (initiating) step in photosynthesis is: [AIPMT 2000]
  A)
  ionisation of water
  done clear
  B)
  attachment of CO2 to 5-carbon sugar
  done clear
  C)
  excitation of chlorophyll by a photon of light
  done clear
  D)
  formation of ATP
  done clear
  View Answer play_arrow

• question_answer8) Fixation of one molecule of CO2 through Calvin cycle requires: [AIPMT 2000]
  A)
  3 ATP and 3 NADPH2 molecules
  done clear
  B)
  3 ATP and 2 NADPH2 molecules
  done clear
  C)
  2 ATP and 1 NADPH2 molecules
  done clear
  D)
  1 ATP and 2 NADPH2 molecules
  done clear
  View Answer play_arrow

• question_answer9) The enzyme which catalyses fixation of CO2 in C4 plants is: [AIPMT 2000]
  A)
  RuBP carboxylase
  done clear
  B)
  hydrogenase
  done clear
  C)
  PEP carboxylase
  done clear
  D)
  reductase
  done clear
  View Answer play_arrow

• question_answer10) Proteinaceous pigment which controls the activities concerned with light is: [AIPMT 2001]
  A)
  phytochrome
  done clear
  B)
  chlorophyll
  done clear
  C)
  anthocyanin
  done clear
  D)
  carotcnoids
  done clear
  View Answer play_arrow

• question_answer11) Glycolate induces opening of stomata in: [AIPMT 2001]
  A)
  presence of oxygen
  done clear
  B)
  low CO2 concentration
  done clear
  C)
  high CO2 concentration
  done clear
  D)
  absence of CO2
  done clear
  View Answer play_arrow

• question_answer12) Which pair is wrong? [AIPMT 2001]
  A)
  C3-Maize
  done clear
  B)
  C4-Kranz anatomy
  done clear
  C)
  Calvin cycle-PGA
  done clear
  D)
  Hatch and Slack cycle-OAA
  done clear
  View Answer play_arrow

• question_answer13) Which pigment system is inactivated in red drop? [AIPMT 2001]
  A)
  PS-l and PS-II
  done clear
  B)
  PS-I                 
  done clear
  C)
  PS-II
  done clear
  D)
  none of these
  done clear
  View Answer play_arrow

• question_answer14) Photolithotrophs : [AIPMT 2001]
  A)
  obtain energy from radiations and hydrogen from organic compounds
  done clear
  B)
  obtain energy from radiations and hydrogen from inorganic compounds
  done clear
  C)
  obtain energy from organic compound
  done clear
  D)
  obtain energy from inorganic compounds
  done clear
  View Answer play_arrow

• question_answer15) When we migrate from dark to light, we fail to see for some time but after a time visibility becomes normal. It is an example of: [AIPMT 2001]
  A)
  accommodation
  done clear
  B)
  adaptation
  done clear
  C)
    mutation
  done clear
  D)
  photoperiodism
  done clear
  View Answer play_arrow

• question_answer16) Cytochrome is: [AIPMT 2001]
  A)
  metallo fiavoprotein
  done clear
  B)
  Fe containing porphyrin pigment
  done clear
  C)
  glycoprotein      
  done clear
  D)
                            lipid
  done clear
  View Answer play_arrow

• question_answer17) Triticale is obtained by crossing wheat with: [AIPMT 2001]
  A)
  oat
  done clear
  B)
  barley
  done clear
  C)
  maize
  done clear
  D)
  rye
  done clear
  View Answer play_arrow

• question_answer18) Which of the following absorb light energy for photosynthesis? [AIPMT 2002]
  A)
  Chlorophyll
  done clear
  B)
  Water molecule
  done clear
  C)
  O2
  done clear
  D)
  RuBP
  done clear
  View Answer play_arrow

• question_answer19) In photosynthesis energy from light reaction to dark reaction is transferred in the form of: [AIPMT 2002]
  A)
  ADP
  done clear
  B)
  ATP
  done clear
  C)
  RuDP
  done clear
  D)
  chlorophyll
  done clear
  View Answer play_arrow

• question_answer20) Opening and closing of stomata is due to: [AIPMT 2002]
  A)
  hormonal change in guard cells
  done clear
  B)
  change in turgor pressure of guard cells
  done clear
  C)
  gaseous exchange
  done clear
  D)
  respiration
  done clear
  View Answer play_arrow

• question_answer21) Which pigment absorbs (he red and far red light? [AIPMT 2002]
  A)
  Cytochrome
  done clear
  B)
  Phytochrome
  done clear
  C)
  Carotenoids
  done clear
  D)
  Chlorophyll
  done clear
  View Answer play_arrow

• question_answer22) Which one of the following concerns photophosphorylation? [AIPMT 2003]
  A)
  ADP + Inorganic PO4 \[\to \] ATP
  done clear
  B)
  AMP + Inorganic \[P{{O}_{4}}\xrightarrow[{}]{Light\,energy}ATP\]
  done clear
  C)
  ADP + AMP \[\xrightarrow[{}]{Light\,energy}ATP\]
  done clear
  D)
  \[\text{ADP}+\text{Inorganic P}{{\text{O}}_{4}}\xrightarrow{\text{Light energy}}\text{ATP}\]
  done clear
  View Answer play_arrow

• question_answer23) Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?           [AIPMT 2003]
  A)
  Red and violet
  done clear
  B)
  Violet and blue
  done clear
  C)
  Blue and green
  done clear
  D)
  Green and red
  done clear
  View Answer play_arrow

• question_answer24) Which one of the following is wrong in relation to photorespiration? [AIPMT 2003]
  A)
  It is a characteristics of C4 plants
  done clear
  B)
  It is a characteristics of C3 plants
  done clear
  C)
  It occurs in chloroplasts
  done clear
  D)
  It occurs in daytime only
  done clear
  View Answer play_arrow

• question_answer25) Stomata of a plant open due to:   [AIPMT 2003]
  A)
  influx of hydrogen ions
  done clear
  B)
  influx of calcium ions
  done clear
  C)
  influx of potassium ions
  done clear
  D)
  efflux of potassium ions
  done clear
  View Answer play_arrow

• question_answer26) Stomata of CAM plants: [AIPMT 2003]
  A)
  open during the night and close during the day
  done clear
  B)
  never open
  done clear
  C)
    are always open
  done clear
  D)
  open during the day and close at night
  done clear
  View Answer play_arrow

• question_answer27) In sugarcane plant 14CO2 is fixed in a malic acid, in which the enzyme that fixes CO2 is: [AIPMT 2003]
  A)
  ribulose phosphate kinase
  done clear
  B)
  fructose phosphatase
  done clear
  C)
  ribulose Diphosphate carboxylase
  done clear
  D)
  phosphoenol pyruvic acid carboxylase
  done clear
  View Answer play_arrow

• question_answer28) In which one of the following options the two names refer to one and the same thing? [AIPMT 2003]
  A)
  Citric acid cycle and Calvin cycle
  done clear
  B)
  Tricarboxylic acid cycle and urea cycle
  done clear
  C)
  Krebs cycle and Calvin cycle
  done clear
  D)
  Tricarboxylic acid cycle and citric acid cycle
  done clear
  View Answer play_arrow

• question_answer29) In \[{{C}_{3}}\] plants, the first stable product of photosynthesis during the dark reaction is: [AIPMT (S) 2004]
  A)
  malic acid
  done clear
  B)
  oxaloacetic acid
  done clear
  C)
  3-phoshoglyceric acid
  done clear
  D)
  phosphoglyceraldehyde
  done clear
  View Answer play_arrow

• question_answer30) Photosynthetically Active Radiation (PAR)represents the following range of wavelength: [AIPMT (S) 2004]
  A)
  500-600 nm
  done clear
  B)
  450-950 nm
  done clear
  C)
  340-450 nm
  done clear
  D)
  400-700 nm
  done clear
  View Answer play_arrow

• question_answer31) In glycolysis, during oxidation electrons are removed by: [AIPMT (S) 2004]
  A)
  ATP
  done clear
  B)
                glyceraldehyde-3-phosphate
  done clear
  C)
  \[\text{NA}{{\text{D}}^{+}}\]
  done clear
  D)
  molecular oxygen
  done clear
  View Answer play_arrow

• question_answer32) Plants adapted to low light intensity have: [AIPMT (S) 2004]
  A)
  larger photosynthetic unit size than the sun plants
  done clear
  B)
  higher rate of \[\text{C}{{\text{O}}_{\text{2}}}\]fixation than the sun plants
  done clear
  C)
  more extended root system
  done clear
  D)
  leaves modified to spines
  done clear
  View Answer play_arrow

• question_answer33) Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because: [AIPMT (S) 2005]
  A)
  four carbon acids are the primary initial CO2 fixation products
  done clear
  B)
  the primary fixation of CO2 is mediated via PEP carboxylase
  done clear
  C)
  effective pumping of CO2 into bundle sheath cells
  done clear
  D)
  RUBISCO in C4 plants has higher affinity for CO2
  done clear
  View Answer play_arrow

• question_answer34) Chlorophyll in chloroplasts is located in: [AIPMT (S) 2005]
  A)
  grana
  done clear
  B)
  pyrenoid
  done clear
  C)
  stroma
  done clear
  D)
  both [a] and [c]
  done clear
  View Answer play_arrow

• question_answer35) As compared to a C3 plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4 plants: [AIPMT (S) 2005]
  A)
  2
  done clear
  B)
  6
  done clear
  C)
  0
  done clear
  D)
  12
  done clear
  View Answer play_arrow

• question_answer36) Photosynthetic Active Radiation (PAR) has the following range of wavelengths: [AIPMT (S) 2005]
  A)
  400-700 nm
  done clear
  B)
  450-950 nm      
  done clear
  C)
  340-450-nm
  done clear
  D)
  500-600 nm
  done clear
  View Answer play_arrow

• question_answer37) In photosystem-I, the first electron acceptor is: [AIPMT (S) 2006]
  A)
  ferredoxin
  done clear
  B)
                cytochrome
  done clear
  C)
    plastocyanin
  done clear
  D)
                an iron-sulphur protein
  done clear
  View Answer play_arrow

• question_answer38) In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of: [AIPMT (S) 2007]
  A)
  mesophyll
  done clear
  B)
  bundle sheath
  done clear
  C)
  phloem
  done clear
  D)
  epidermis
  done clear
  View Answer play_arrow

• question_answer39) The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is: [AIPMT (S) 2007]
  A)
  cytochrome
  done clear
  B)
                                        iron-sulphur protein
  done clear
  C)
  ferredoxin
  done clear
  D)
                                        quinine
  done clear
  View Answer play_arrow

• question_answer40) The wavelength of light absorbed by Pr form of phytochrome is: [AIPMT (S) 2007]
  A)
  640 nm
  done clear
  B)
  680 nm
  done clear
  C)
  720 nm
  done clear
  D)
  620 nm
  done clear
  View Answer play_arrow

• question_answer41) The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of: [AIPMT (S) 2007]
  A)
  ATP in small stepwise units
  done clear
  B)
  ATP in one large oxidation reaction
  done clear
  C)
  Sugars
  done clear
  D)
                            Nucleic acids
  done clear
  View Answer play_arrow

• question_answer42) The \[{{C}_{4}}\]-plants are photosynthetically more efficient than \[{{C}_{3}}\]-plants because [AIPMT (S) 2008]
  A)
  the \[C{{O}_{2}}\]compensation point is more
  done clear
  B)
  \[C{{O}_{2}}\] generated during photorespiration is trapped and recycled through- PEP carboxylase
  done clear
  C)
  the \[C{{O}_{2}}\]efflux is not prevented
  done clear
  D)
  they have more chloroplasts
  done clear
  View Answer play_arrow

• question_answer43) Electrons from excited chlorophyll molecule photosystem-II are accepted first by [AIPMT (S) 2008]
  A)
  cytochrome-b
  done clear
  B)
  cytochrome-f
  done clear
  C)
  quinone
  done clear
  D)
  ferredoxin
  done clear
  View Answer play_arrow

• question_answer44) In leaves of \[{{\text{C}}_{\text{4}}}\text{-}\]plants malic acid synthesis during \[\text{C}{{\text{O}}_{\text{2}}}\text{-}\]fixation occurs in: [AIPMT (S) 2008]
  A)
  epidermal cells
  done clear
  B)
  mesophyll cells
  done clear
  C)
  bundle sheath
  done clear
  D)
  guard cells
  done clear
  View Answer play_arrow

• question_answer45) Stroma in the chloroplasts of higher plants contains [AIPMT (S) 2009]
  A)
  light-independent reaction enzymes
  done clear
  B)
  light-dependent reaction enzymes
  done clear
  C)
  ribosomes
  done clear
  D)
  chlorophyll
  done clear
  View Answer play_arrow

• question_answer46) Which one of the following acids is a derivative of carotenoids? [AIPMT (S) 2009]
  A)
  Indole-butyric acid
  done clear
  B)
  Indole-3-acetic acid
  done clear
  C)
  Gibberellic acid
  done clear
  D)
  Abscisic acid
  done clear
  View Answer play_arrow

• question_answer47) Cyclic-photophosphorylation results in the formation of [AIPMT (S) 2009]
  A)
  NADPH
  done clear
  B)
  ATP and NADPH
  done clear
  C)
  ATP, NADPH and Oz
  done clear
  D)
  ATP
  done clear
  View Answer play_arrow

• question_answer48) 

  Read the following four statements. A, B, C and D and select die right option having both correct statements. [AIPMT (M) 2010] A. Z secheme of light reaction takes place in presence of PS-I only. B. Only PS-I is functional in cyclic photophosphorylation. C. Cyclic photophosphorylation results into synthesis of ATP and \[NADP{{H}_{2}}.\] D. Stroma lamellae lack PS-II as well as NADP.

  A)
  B and D
  done clear
  B)
  A and B
  done clear
  C)
  B and C
  done clear
  D)
  C and D
  done clear
  View Answer play_arrow

• question_answer49) Kranz anatomy is one of the characteristics of the leaves of [AIPMT (M) 2010]
  A)
  potato
  done clear
  B)
  wheat
  done clear
  C)
  sugarcane
  done clear
  D)
  mustard
  done clear
  View Answer play_arrow

• question_answer50) Study the pathway given below [AIPMT (M) 2010] In which of the following options, correct words for all the three blanks A, B and C are indicated?
  A)

  Decarboxylation

  Reduction

  Regeneration

  done clear
  B)

  Fixation

  Transamination

  Regeneration

  done clear
  C)

  Fixation

  Decarboxylation

  Regeneration

  done clear
  D)

  Carboxylation

  Decarboxylation

  Reduction

  done clear
  View Answer play_arrow

• question_answer51) PGA as the first \[C{{O}_{2}}\]fixation product was discovered in photosynthesis of [AIPMT (S) 2010]
  A)
  bryophyte
  done clear
  B)
  gymnosperm
  done clear
  C)
  angiosperm
  done clear
  D)
  alga
  done clear
  View Answer play_arrow

• question_answer52) \[{{\text{C}}_{\text{4}}}\text{-}\]plants are more efficient in photosynthesis than \[{{\text{C}}_{3}}\text{-}\]plants due to [AIPMT (S) 2010]
  A)
  higher leaf area
  done clear
  B)
  presence of larger number of chloroplasts in the leaf cells
  done clear
  C)
  presence of thin cuticle
  done clear
  D)
  lower rate of photorespiration
  done clear
  View Answer play_arrow

• question_answer53) In Kranz anatomy, the bundle sheath cells have [AIPMT (M) 2011]
  A)
  thin walls, many intercellular spaces and no chloroplasts
  done clear
  B)
  thick walls, no intercellular spaces and large number of chloroplasts
  done clear
  C)
  thin walls, no intercellular spaces and several chloroplasts
  done clear
  D)
  thick walls, many intercellular space and few chloroplasts           
  done clear
  View Answer play_arrow

• question_answer54) Which one of the following is essential for photolysis of water? [AIPMT (M) 2011]
  A)
  Manganese
  done clear
  B)
  Zinc
  done clear
  C)
  Copper
  done clear
  D)
  Boron
  done clear
  View Answer play_arrow

• question_answer55) CAM helps the plants in [AIPMT (S) 2011]
  A)
  secondary growth
  done clear
  B)
  disease resistance
  done clear
  C)
  reproduction
  done clear
  D)
  conserving water
  done clear
  View Answer play_arrow

• question_answer56) Of the total incident solar radiation the proportion of PAR is
  A)
  about 60%
  done clear
  B)
  less than 50%
  done clear
  C)
  more than 80%
  done clear
  D)
  about 70%
  done clear
  View Answer play_arrow

• question_answer57) 

  Read the following four statements. [AIPMT (M) 2012] I. Botli, photophosphorylation and oxidative phosphorylation involve uphill transport   of protons   across   the membrane. II. In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth. III. Stamens in flowers of Gloriosa and Petunia are polyandrous. IV. Symbiotic nitrogen fixers occur in free living state also in soil. How many of the above statements are right?

  A)
  two
  done clear
  B)
  Three
  done clear
  C)
  Four
  done clear
  D)
  None ot thise
  done clear
  View Answer play_arrow

• question_answer58) A process that makes important difference between \[{{C}_{3}}\] and \[{{C}_{4}}\]plants is [AIPMT (S) 2012]
  A)
  transpiration
  done clear
  B)
  glycolysis
  done clear
  C)
  photosynthesis
  done clear
  D)
  photorespiration
  done clear
  View Answer play_arrow

• question_answer59) Anoxygenic photosynthesis is characteristic of [NEET 2014]
  A)
  Rhodospirillum
  done clear
  B)
  Spirogyra
  done clear
  C)
  Chlamydomonas
  done clear
  D)
  Ulva             
  done clear
  View Answer play_arrow

• question_answer60)     What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows? [NEET 2015]
  A)
  Green plants need light to perform photosynthesis
  done clear
  B)
  Green plants seek light because they are phototropic
  done clear
  C)
  Light stimulates plant cells on the lighted side to grow faster
  done clear
  D)
  Auxin accumulates on the shaded side, stimulating greater cell elongation there
  done clear
  View Answer play_arrow

• question_answer61) Chromatophores take part in [NEET (Re) 2015]
  A)
  photosynthesis
  done clear
  B)
  growth
  done clear
  C)
  movement
  done clear
  D)
  respiration
  done clear
  View Answer play_arrow

• question_answer62) In photosynthesis, the light-independent reactions take place at [NEET (Re) 2015]
  A)
  thylakoid lumen
  done clear
  B)
  photosystem I
  done clear
  C)
  photosystem II
  done clear
  D)
  stromal matrix
  done clear
  View Answer play_arrow

• question_answer63) Emerson's enhancement effect and Red drop have been instrumental in the discovery of: [NEET - 2016 Phase-I]
  A)
  Photophosphorylation and non - cyclic electron transport
  done clear
  B)
  Two photosystems operating simultaneously
  done clear
  C)
  Photophosphorylation and cyclic electron transport
  done clear
  D)
  Oxidative phosphorylation          
  done clear
  View Answer play_arrow

• question_answer64) In a chloroplast the highest number of protons are found in: [NEET - 2016 Phase-I]
  A)
  Stroma
  done clear
  B)
  Lumen of thylakoids
  done clear
  C)
  Inter membrane space
  done clear
  D)
  Antennae complex
  done clear
  View Answer play_arrow

• question_answer65) A plant in your garden avoids photo respiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant? [NEET - 2016 Phase-I]
  A)
  \[{{C}_{3}}\]
  done clear
  B)
  \[{{C}_{4}}\]
  done clear
  C)
  \[CAM\]
  done clear
  D)
  Nitrogen fixer
  done clear
  View Answer play_arrow

• question_answer66) Phytochrome is a        [NEET - 2016 Phase-II]
  A)
  Flavoprotein
  done clear
  B)
  Glycoprotein
  done clear
  C)
  Lipoprotein
  done clear
  D)
  Chromoprotein
  done clear
  View Answer play_arrow

• question_answer67) The process which makes major difference between \[{{C}_{3}}\] and\[{{C}_{4}}\]. plants is [NEET - 2016 Phase-II]
  A)
  Glycolysis
  done clear
  B)
  Calvin cycle
  done clear
  C)
  Photorespiration
  done clear
  D)
  Respiration
  done clear
  View Answer play_arrow

• question_answer68) Oxidative phosphorylation is [NEET - 2016 Phase-II]
  A)
  Formation of ATP by transfer of phosphate group from a substrate to ADP
  done clear
  B)
  Oxidation of phosphate group in ATP
  done clear
  C)
  Addition of phosphate group to ATP
  done clear
  D)
  Formation of ATP by energy released from electrons removed during substrate oxidation
  done clear
  View Answer play_arrow

• question_answer69) With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? [NEET-2017]
  A)
  Tomato is a greenhouse crop which can be grown in \[C{{O}_{2}}-\]enriched atmosphere for higher yield
  done clear
  B)
  Light saturation for\[C{{O}_{2}}\] fixation occurs at 10% of full sunlight
  done clear
  C)
  Increasing atmospheric \[C{{O}_{2}}\] concentration upto 0.05% can enhance \[C{{O}_{2}}\] fixation rate
  done clear
  D)
  \[{{C}_{3}}\] plants responds to higher temperatures with enhanced photosynthesis while \[{{C}_{4}}\] plants have much lower temperature optimum
  done clear
  View Answer play_arrow

• question_answer70) Phosphonol pyruvate (PEP) is the primary \[C{{O}_{2}}\] acceptor in : [NEET-2017]
  A)
  \[{{C}_{3}}\]and \[{{C}_{4}}\]plants
  done clear
  B)
  \[{{C}_{3}}\]plants
  done clear
  C)
  \[{{C}_{4}}\]plants
  done clear
  D)
  \[{{C}_{2}}\]plants
  done clear
  View Answer play_arrow

• question_answer71) Which of the following is not a product of light reaction of photosynthesis? [NEET - 2018]
  A)
  NADPH
  done clear
  B)
  NADH
  done clear
  C)
  ATP
  done clear
  D)
  Oxygen
  done clear
  View Answer play_arrow

• question_answer72) Stomatal movement is not affected by [NEET - 2018]
  A)
  \[{{\text{O}}_{\text{2}}}\] concentration
  done clear
  B)
  Light
  done clear
  C)
  Temperature
  done clear
  D)
  \[\text{C}{{\text{O}}_{\text{2}}}\]concentration
  done clear
  View Answer play_arrow

• question_answer73) Stomata in grass leaf are [NEET - 2018]
  A)
  Rectangular
  done clear
  B)
  Kidney shaped
  done clear
  C)
  Dumb-bell shaped
  done clear
  D)
  Barrel shaped
  done clear
  View Answer play_arrow

• question_answer74) Which of these statements is incorrect? [NEET - 2018]
  A)
  Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms
  done clear
  B)
  Glycolysis occurs in cytosol
  done clear
  C)
  Enzymes of TCA cycle are present in mitochondrial matrix
  done clear
  D)
  Oxidative phosphorylation takes place in outer mitochondrial membrane
  done clear
  View Answer play_arrow

• question_answer75) In light reaction, plastoquinone facilitates the transfer of electrons from [NEET 2020]
  A)
  \[Cyt{{b}_{6}}f\]complex to PS-I
  done clear
  B)
  PS-I to \[NAD{{P}^{+}}\]
  done clear
  C)
  PS-I to ATP synthase
  done clear
  D)
  PS-II to Cytb6f complex
  done clear
  View Answer play_arrow