Question No:1
Which of the following is correct about biosynthetic phase?
[A] C14 isotope is used to find out this pathway
[B] Calvin worked on this pathway
[C] Melvin Calvin use photosynthetic algae for this pathway
[D] All
Question No:2
Similarity between C3 and C4 pathway:
[A] Both are equally efficient
[B] Organic acid is the formed as the first product of CO2 fixation
[C] Both require one type of cell to occur
[D] Both takes place in all the plants
Question No:3
Which pathway takes place in all photosynthetic plant?
[A] C3
[B] C4
[C] Both
[D] None
Question No:4
For easy understanding, Calvin cycle is divided into how many stages?
[A] 1
[B] 2
[C] 3
[D] 4
Question No:5
Calvin cycle include
[A] carboxylation
[B] reduction
[C] regeneration of RuBP
[D] all
Question No:6
Which process of Calvin cycle requires RuBP?
[A] Carboxylation
[B] Reduction
[C] Regeneration
[D] None
Question No:7
Reduction process of Calvin cycle requires how many ATP and NADPH for reduction of one molecule of CO2?
[A] 2 mole ATP and 3 mole NADPH
[B] 2 mole ATP and 2 mole NADPH
[C] 1 mole ATP and 2 mole NADPH
[D] 3 mole ATP and 2 mole NADPH
Question No:8
How many mols of ATP is required to regenerate one mol of RuBP?
[A] 1
[B] 2
[C] 3
[D] 4
Question No:9
First stable product of Calvin cycle has
[A] 2 carbon atoms
[B] 3 carbon atoms
[C] 4 carbon atoms
[D] 6 carbon atoms
Question No:10
In dark reaction, first reaction is the
[A] carboxylation
[B] decarboxylation
[C] dehydrogenation
[D] deamidation
Question No:11
In C4 plants, CO2 combines with PEP in presence of
[A] PEP carboxylase
[B] RuBP carboxylase
[C] RuBP oxygenase
[D] hydrogenase
Question No:12
Dark reaction of photosynthesis is called so because it
[A] a) can also occur in dark
[B] does not require light energy
[C] cannot occur during day time
[D] occurs more rapidly at night
Question No:13
The initial enzyme of Calvin cycle is
[A] ribulose 1, 5 diphosphate carboxylase
[B] triose phosphate dehydrogenase
[C] phosphopentokinase
[D] cytochrome oxidase
Question No:14
During photosynthesis, when PGA is changed into phosphoglyceraldehyde, which of the following reaction occurs?
[A] oxidation
[B] reduction
[C] electrolysis
[D] hydrolysis
Question No:15
Ribulose diphosphate carboxylase enzyme catalyses the carboxylation reaction between
[A] Oxaloacetic acid and acetyl CoA
[B] CO2 and ribulose 1, 5 diphosphate
[C] Ribulose diphosphate and phosphoglyceraldehyde
[D] PGA and dihydroxy acetone phosphate
Photosynthesis Higher Plants Mock Exam-6
CategoriesNEET Biology