Somaclones are obtained by
Options
(a) plant breeding (b) irradiation (c) genetic engineering (d) tissue culture
Correct Answer:
tissue culture
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Lenticels are involved in :
Options
(a) Gaseous exchange (b) Food transport (c) Photosynthesis (d) Transpiration
Correct Answer:
Gaseous exchange
Explanation:
Lenticels are lens shaped openings occurs in stems of most of the […]
Inflorescence is racemose in
Options
(a) Soyabean (b) Brinjal (c) Tulip (d) Aloe
Correct Answer:
Soyabean
Explanation:
Inflorescence in family fabaceae(e.g.,soyabean) is racemose. Inflorescence in family liliaceae(e.g.,tulip, Aloe) is solitary/cymose; often umbellate. Inflorescence […]
Guttation is the result of:
Options
(a) diffusion (b) transpiration (c) osmosis (d) root pressure
Correct Answer:
root pressure
Explanation:
The main cause of guttation in plants is root pressure. During night when […]
Cytoskeleton is made up of:
Options
(a) callose depsits (b) cellulosic microfibrils (c) proteinaceous filaments (d) calcium carbonate granules
Correct Answer:
proteinaceous filaments
Explanation:
The cytoskeleton is made up of three kinds of […]
Flowers are zygomorphic in :
Options
(a) mustard (b) gulmohur (c) ioruato (d) Datura
Correct Answer:
gulmohur
Explanation:
When a flower can be divided into two similar halves only in one particular vertical […]
Closed vascular bundles lack
Options
(a) Ground tissue (b) Conjunctive tissue (c) Cambium (d) Pith
Correct Answer:
Cambium
Explanation:
In closed vascular bundle cambium is absent between xylem and phloem.
Advantage of cleistogamy is:
Options
(a) More vigorous offspring (b) No dependence of pollinators (c) Vivipary (d) Higher viability of seeds
Correct Answer:
No dependence of pollinators
Explanation:
Cleistogamy favour sno dependence on […]
Wind pollination is common in
Options
(a) legumes (b) lilies (c) grasses (d) orchids
Correct Answer:
grasses
Explanation:
Wind pollination is common in grasses. Grasses produce large amount of pollen which by the […]
The plant body is thalloid in
Options
(a) Funaria (b) Sphagnum (c) Salvinia (d) Marchantia
Correct Answer:
Marchantia
Explanation:
The plant body of a liverwort is haploid (n), gametophytic, small, dorsoventrally flattened, thallose, dichotomously […]
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