171.
In dark reaction, first reaction is the
A
Carboxylation
B
Decarboxylation
C
Dehydrogenation
D
Deamination
Answer :
Carboxylation
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
172.
Pigment-containing membranous extensions in some cyanobacteria are :
A
Basal bodies
B
Pneumatophores
C
Chromatophores
D
Heterocysts
Answer :
Chromatophores
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
173.
The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
A
Manganese and Potassium
B
Magnesium and Molybdenum
C
Magnesium and Chlorine
D
Manganese and Chlorine
Answer :
Manganese and Chlorine
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
174.
Which one of the following is represented by Calvin cycle?
A
Reductive carboxylation
B
Oxidative carboxylation
C
Photophosphorylation
D
Oxidative phosphorylation
Answer :
Reductive carboxylation
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
175.
Photo-oxidation of chlorophyll is called
A
Intensification
B
Chlorosis
C
Solarization
D
Defoliation
Answer :
Solarization
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
176.
Carbon dioxide acceptor in C4 plants is
A
Phosphoenol pyruvic acid (EP)
B
Ribulose-1, 5- di phosphate
C
NADP
D
Ribulose-5-phosphate
Answer :
Phosphoenol pyruvic acid (EP)
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
177.
Which colour of light gives maximum absorption peak by chlorophyll 'a'
A
Blue light
B
Green light
C
Violet light
D
Red light
Answer :
Blue light
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
178.
Product of light reaction of photosynthesis is
A
Carbohydrate
B
ATP
C
NADP and O2
D
NADPH2, ATP & O2
Answer :
NADPH2, ATP & O2
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
179.
Photolysis is related to
A
Calvin cycle
B
H.S.K. cycle
C
Cyclic photophosphorylation
D
Non cyclic flow of electrons
Answer :
Non cyclic flow of electrons
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
180.
Oxygen is not produced during photosynthesis by
A
Green sulphur bacteria
B
Nostoc
C
Chara
D
Cycas
Answer :
Green sulphur bacteria
Discuss Question
No explanation is given for this question. Let's discuss the answer together.