Cyclic photophosphorylation results in the formation of:
NADPH
ATP and NADPH
ATP, NADPH and O2
ATP
In photosynthesis, energy from light reaction to dark reaction is transferred in the form of:
ADP
RuBP
Chlorophyll
Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch make it useful as a storage material?
Easily translocated
Chemically non reactive
Easily digested by animals
Easily diffused
In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of:
Mesophyll
Bundle sheath
Phloem
Epidermis
A photosynthesizing plant is releasing 18O more than the normal. The plant must have been supplied with:
O3
H2O With 18O
CO2 with 18O
C6 H12O6 with18O
Maximum solar energy is trapped by:
Planting trees
Cultivating crops
Growing algae in tanks
Growing grasses
In sugarcane plant 14CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is:
Fructose phosphate
Ribulose biphosphate carboxylase
Phosphoenol pyruvic acid carboxylase
Ribulose phosphate kinase
Molecular weight of chlorophyll-b molecule is
807
873
907
910
The first carbon dioxide acceptor in C4 - plants is ____________.
phosphoenol - pyruvate
ribulose 1,5 - diphosphate
oxalo acetic acid
phosphoglyceric acid
Nine tenth of all photosynthesis in the world is carried out by:
Large trees with millions of branches and leaves
Algae of the ocean
Chlorophyll containing ferns of the forest
Scientists in the laboratories
