lecture-2 Flashcards
plant nutrition (27 cards)
Where does photosynthesis occur in plants ?
Green parts of the plant
Where does maximum photosynthesis occurs in plants ?
Leaves of plants
What part of leaves do photosynthesis occurs ?
Cells of leaves
What part of cells do photosynthesis occurs ?
Chloroplasts
Which part of cell is called the kitchen of the cell ?
Chloroplast
During the process of photosynthesis light energy is converted to _____ ?
Chemical energy
Which metal does chlorophyll contains ?
Magnesium
Iron is present in ?
Haemoglobin
Cobalt is present in ?
Vitamin B12 ( cobalamin )
Zinc is present in ?
Insulin
Oxygen released during photosynthesis comes from ?
A. H2O
B. CO2
C. H2O + CO2
D. None
A. H2O
What wavelengths of light are used in photosynthesis ?
400-700 nm
4000 - 7000 Angstrom
Can photosynthesis occur in artificial light ?
Yes
Rate of photosynthesis is maximum in which light ?
white light»_space;> red+blue»_space;> red»_space;> blue
Rate of photosynthesis is Minimum in which light ?
Green light
Maximum photosynthesis takes place by ?
Algae
Most of earth’s oxygen comes from ?
Algae
Name the parts of photosynthesis reaction ?
- light reaction at day in presence of light
- dark reaction at day in absence of light
Explain light reaction.
this step involves photolysis or splitting of water into hydrogen and oxygen using chemical energy by chlorophyll in thylakoids
Explain dark reaction.
hydrogen reacts with CO2 to form glucose in stroma
Alternative name for light reaction is ?
Hill Reaction
Disk like structure in chloroplast is called ?
Thylakoids
Group of thylakoids is called ?
granum
Group of granum is called ?
grana