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procedure for preparation of selective and differential mediumnow prepare the macconkey agar medium following the steps given herewith1 weigh and
what are plant organs responsible for the perception of light variation and what is the pigment responsible for this perceptionthe leaves are mostly
what is the photoperiodismthe photoperiodism is the biological response presented by some living beings to their daily time of light exposure
explain precautions for preparation of general purpose media1 dissolve ingredients one by one in distilled water2 check and set the medium to
what is the photoperiodthe photoperiod is the daily time period of light exposure of a living being and the photoperiod may differ according to the
what is the thigmotropismthe thigmotropism is the growth or movement of the plant in response to mechanical stimuli touch or physical contact as when
explain the procedure for preparation of general purpose mediaprocedure now prepare the media following the steps enumerated herewith1 weigh and
what are the kinds of plant geotropisms why do the root and the stem present opposite geotropismsthe kinds of geotropisms are the positive geotropism
what is the phototropismthe phototropism is the movement of plant structures in response to light the phototropism may be negative or positive the
to which direction does the growth of one side of branch a stem or root induce the structure to curvewhenever one side of a branch stem or root grows
explain composition of malt yeast peptone glucose mediummalt extract - 30 gmyeast extract - 30 gmpeptone - 50 gmglucose - 100 gmagar - 150
explain the composition of sabouraud agarsabouraud agar is used for cultivation of yeasts and mouldspeptone - 100 gmdextrose - 400 gmagar - 150
what are the plant tropismstropisms are the movements that caused by external stimulus in botany the studied plant tropisms are phototropism tropism
are the growth and development of plants only influenced by plant hormoneschemical and physical environmental factors like position and intensity of
define the composition of potato dextrose agarthis media is used for cultivation of yeasts fungi and mouldspotato peeled - 2000 gmdextrose - 200
explain the lactose fermenters and non lactose fermenters1 lactose fermenters - these produce acid on lactose fermentation which results in red
what are the cytokinins and where are they madethe cytokinins are phytohormones active in the promotion of cellular division they slow down the aging
explain the composition of macconkey agarbactopeptone - 170 gmprotease peptone - 30 gmlactose - 100 gmbile salt mixture - 15 gmsodium chloride - 50
what are the gibberellins and where are they producedthe gibberellins are plant hormones that stimulate plant growth fruit formation also
what is the phenomenon of the apical dominance in plants how it can be artificially eliminatedthe apical dominance is the phenomenon by which high
define eosin - methylene blue emb agar levinepeptone - 100 gmlactose - 50 gmdipotassium - 20 gmhydrogen phosphateagar - 135 gmeosin y - 04
what happens when auxin concentration in some structures of the plant is over the action range of the hormonein some of parts of the plant roots stem
explain the composition of blood agarinfusion from beef heart - 500 gmtryptose - 100 gmsodium chloride - 50 gmagar - 15 gmdistilled water -
explain the composition of nutrient agar and nutrient broththe composition and procedure for preparation of some commonly used media which we will
explain the enriched and living culture mediaenriched media - it is used for isolation of fastidious organisms ie organisms having specific and