Cytochrome is :
Metallo flavo protein
Fe - containing porphyrin pigment
Glycoprotein
Lipid
Photosystem-II occurs in:
Stroma
Cytochrome
Grana
Mitochondrial surface
A free living, nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is:
Tolypothrix
Chlorella
Nostoc
Anabaena
Boron in green plants assists in:
Sugar transport
Activation of enzymes
Acting as enzyme cofactor
Photosynthesis
In the leaves of C4- plants, malic acid formation during CO2 fixation occurs in the cells of:
Mesophyll
Bundle sheath
Phloem
Epidermis
The major role of minor elements inside living organisms is to act as:
Binder of cell structure
Co-factors of enzymes
Building blocks of important amino acids
Constituent of hormones
The plant requires magnesium for :
Holding cells together
Protein synthesis
Chlorophyll synthesis
Plant cell wall formation
Plants adapted to low light intensity have:
Larger photosynthetic unit size than the sun plants
Higher rate of CO2 fixation than the sun plants
More extended root system
Leaves modified to spines
Protochlorophyll differs from chlorophyll in lacking:
2 hydrogen atoms in one of its pyrrole rings
2 hydrogen atoms in two of its pyrrole rings
4 hydrogen atoms in two of its pyrrole rings
4 hydrogen atoms in one of its pyrrole rings
Cyclic - photophosphorylation results in the formation of:
NADPH
ATP and NADPH
ATP, NADPH and O2
ATP
