Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (A-E) make it useful as a storage material?(A) Easily translocated(B) chemically non-reactive(C) easily digested by animals(D) osmotically inactive(E) synthesized during photosynthesisThe useful properties are
(B) and (C)
(B) and (D)
(A), (C) and (E)
(A) and (E)
How many turns of Calvin cycle yield one molecule of glucose?
8
2
6
4
The first acceptor of electrons from an excited chlorophyll molecule of photosystem-II is
cytochrome
iron-sulphur protein
ferredoxin
quinone
In C3-plants, the first stable product of photosynthesis during the dark reaction is
malic acid
oxaloacetic acid
3-phosphoglyceric acid
phosphoglyceraldehyde
Maximum solar energy is trapped by
planting trees
cultivating crops
growing algae in tanks
growing grasses
Stomata of CAM plants
never open
are always open
open during the day and close at night
open during the night and close during the day
During monsoon, the rice crop of Eastern states of India shows lesser yield due to limiting factor of
CO2
light
temperature
water
Kranz anatomy is typical of
C4-plants
C3-plants
C2-plants
CAM plants
NADP+ is reduced to NADPH in
PS-1
PS-II
Calvin cycle
Non-cyclic photophosphorylation
The principle of limiting factors was proposed by
Blackmann
Hill
Arnon
Liebig
