The site of light reaction is
Mesophyll
Epidermis
Granum
None of these
The autotrophic mode of nutrition requires
carbon dioxide and water
chlorophyll
sunlight
all of the above
When plants are kept in darkness, the ________ becomes inactive.
Chlorophyll
Xanthophyll
The energy carried by a photon is called
Joule
Watts
Quantum
None
In order to destarch the leaves for an experiment to show that sunlight is necessary for photosynthesis, the :
leaves are kept in alcohol and boiled in a water bath
leaves are soaked in iodine for two hours
plants with the leaves is kept in dark room for 48 hours
plant with the leaves is exposed to light of a lamp, a night before the experiment
Reduction of carbondioxide to carbohydrates occurs during
digestion
respiration
photosynthesis
excretion
The disc shaped membrane sac present in the granum of chloroplast is?
Xylem
Phloem
Thylakoid
Stoma
In submerged plants like Hydrilla carbondioxide diffuses directly through
Cuticle
Stomata
The energy rich molecule which is formed by photosynthesis is
Oxygen
Carbon dioxide
Water
Glucose
Iodine can be used to test the presence of
glucose
cellulose
starch
none
