Photosynthesis in Higher Plants · Biology · NEET
Start PracticeMCQ (Single Correct Answer)
NEET 2024 (Re-Examination)
Which of the following are required for the light reaction of Photosynthesis?
A. $$\mathrm{CO}_2$$
B. $$\mathrm{O}_2$$
C. $$\mathrm{H}_2 \mathrm{O}$$
...
NEET 2024 (Re-Examination)
Which one of the following products diffuses out of the chloroplast during photosynthesis?
NEET 2024 (Re-Examination)
Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option.
...
NEET 2024
How many molecules of ATP and NADPH are required for every molecule of $$\mathrm{CO}_2$$ fixed in the Calvin cycle?
NEET 2024
Which of the following are required for the dark reaction of photosynthesis?
A. Light
B. Chlorophyll
C. $$\mathrm{CO}_2$$
D. ATP
E. NADPH
Choose the c...
NEET 2024
Given below are two statements:
Statement I: In $$\mathrm{C}_3$$ plants, some $$\mathrm{O}_2$$ binds to $$\mathrm{RuBisCO}$$, hence $$\mathrm{CO}_2$$ ...
NEET 2023 Manipur
Match List - I with List - II.
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NEET 2023 Manipur
Given below are two statements :
Statement I : RuBisCO is the most abundant enzyme in the world.
Statement II : Photorespiration does not occur in C$$...
NEET 2023 Manipur
Which out of the following statements is incorrect?
NEET 2023
How many ATP and NADPH2 are required for the synthesis of one molecule of Glucose during Calvin cycle?
NEET 2023
The reaction centre in PS II has an absorption maxima at
NEET 2022 Phase 2
When one CO2 molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates ar...
NEET 2022 Phase 2
Identify the correct statements regarding chemiosmotic hypothesis:
(a) Splitting of the water molecule takes place on the inner side of the membrane.
...
NEET 2022 Phase 1
Given below are two statements:
Statement I : The primary CO2 acceptor in C4 plants is phosphoenolpyruvate and is found in the mesophyll cells.
Statem...
NEET 2022 Phase 1
Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:
NEET 2021
The first stable product of CO2 fixation in Sorghum is
NEET 2021
Which of the following statements is incorrect?
NEET 2020 Phase 1
In light reaction, plastoquinone facilitates the
transfer of electrons from
NEET 2020 Phase 1
The oxygenation activity of RuBisCo enzyme
in photorespiration leads to the formation of
NEET 2018
Which of the following is not a product of light
reaction of photosynthesis?
NEET 2017
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
NEET 2017
Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in
NEET 2016 Phase 2
The process which makes major difference between C3 and C4 plants is
NEET 2016 Phase 1
In a chloroplast the highest number of protons are found in
NEET 2016 Phase 1
Emerson's enhancement effect and Red drop have been instrumental in the discovery of
NEET 2016 Phase 1
Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant duri...
NEET 2016 Phase 1
Water soluble pigments found in plant cell vacuoles are
NEET 2016 Phase 1
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and ...
AIPMT 2015
Chromatophores take part in
AIPMT 2015
In photosynthesis, the light-independent reactions take place at
AIPMT 2012 Mains
Read the following four statements (A $$-$$ D). phosphorylation involve uphill transport of protons across the membrane.
(A) Both photopho...
AIPMT 2012 Prelims
A process that makes important difference between C3 and C4 plants is
AIPMT 2012 Prelims
The correct sequence of cell organelles during photores piration is
AIPMT 2011 Mains
In kranz anatomy, the bundle sheath cells have
AIPMT 2011 Mains
Which one of the following is essential for
photolysis of water?
AIPMT 2011 Prelims
CAM helps the plants in
AIPMT 2010 Mains
Read the following four statements, (i), (ii), (iii) and (iv) and select the right opening having both correct statement.
Statements :
(i)  ...
AIPMT 2010 Mains
Kranz anatomy is one of the characteristics of the leaves of
AIPMT 2010 Mains
Study the pathway given below:
In which of the following options correct words
for all the three blanks A, B and C are indicated?...
AIPMT 2010 Prelims
PGA as the first CO2 fixation product was discovered in photosynthesis of
AIPMT 2010 Prelims
C4 plants are more efficient in photosynthesis than C3 plants due to
AIPMT 2009
Cyclic photophosphorylation results in the formation of
AIPMT 2009
Stroma in the chloroplasts of higher plant contains
AIPMT 2008
The C4 plants are photosynthetically more efficient than C3 plants because
AIPMT 2008
In leaves of C4 plants malic acid synthesis during CO2 fixation occurs in
AIPMT 2008
Electrons from excited chlorophyll molecule of photosystem II are accepted first by
AIPMT 2007
The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is
AIPMT 2007
In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of
AIPMT 2006
In photosystem I, the first electron acceptor is
AIPMT 2006
During photorespiration, the oxygen consuming reaction(s) occur in
AIPMT 2005
Photosynthetic Active Radiation (PAR) has the following range of wavelengths.
AIPMT 2005
Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because
AIPMT 2005
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 2004
In C3 plants, the first stable product of photosynthesis during the dark reaction is
AIPMT 2004
Plants adapted to low light intensity have
AIPMT 2003
Which one of the following is wrong in relation to photorespiration?
AIPMT 2003
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?
AIPMT 2003
In sugarcane plant 14CO2 is fixed to malic acid, in which the enzyme that fixes CO2 is
AIPMT 2003
Stomata of CAM plants
AIPMT 2003
Which element is located at the centre of the porphyrin ring in chlorophyll?
AIPMT 2003
Which one of the following concerns photophosphorylation?
AIPMT 2002
In photosynthersis energy from light reaction to dark reaction is transferred in the form of
AIPMT 2002
Which of the following absorb light energy for photosynthesis?
AIPMT 2002
Which pigment absorbs the red and far-red light?
AIPMT 2001
What is true for photolithotrophs?
AIPMT 2001
Which pigment system is inactivated in red drop?
AIPMT 2001
Which pair is wrong?
AIPMT 2000
For assimilation of one CO2 molecule, the enerrgy required in from of ATP and NADPH2 are
AIPMT 2000
For the synthesis of one glucose molecule the Calvin cycle operates for
AIPMT 2000
Which is the first CO2 acceptor enzyme in C4 plants?
AIPMT 2000
The first step for initiation of photosynthesis will be