Manganese is required in
nucleic acid synthesis
plant cell wall formation
photolysis of water during photosynthesis
chlorophyll synthesis
Which of the following can fix atmospheric nitrogen ?
Albugo
Cystopus
Saprolegnia
Anabaena
Choose the correct match:- Bladderwort, sundew, venusfly trap
Nepenthes, Dionea, Drosera
Nepenthes, Utricularia, Vanda
Utricularia, Drosera, Dionea
Dionea, Trapa, Vanda
The major portion of the dry weight of plants comprises of
carbon, hydrogen, and oxygen.
nitrogen, phosphorus and potassium
calcium, magnesium and sulphur
carbon, nitrogen and hydrogen.
Amino acids are mostly synthesized from
mineral salts
fatty acids
volatile acids
α- ketoglutaric acid
Boron in green plants assists in
sugar transport
activation of enzymes
acting as enzyme cofactor
photosynthesis
The translocation of organic solutes in sieve tube members is supported by
P-proteins
mass flow involving a carrier and ATP
cytoplasmic streamig
root pressure and transpiration pull
The association between blue-green algae and fungi occures in :
lichens
symbiosis
cannibism
mycorrhiza
Which one of the following elements is not an essential micronutrient for plant growth ?
Mn
Zn
Cu
Ca
Which of the following is a symbiotic nitrogen fixer?
Glomus
Azotobacter
Frankia
Azolla
