1,1,2,2-tetrabromoethane on treatment with Zn dust yields an
Options
(a) alkene (b) alkane (c) alkyne (d) haloalkane
Correct Answer:
alkyne
Explanation:
No explanation available. Be the first to write the explanation for this […]
Tert-butyl bromide on treatment with sodium methoxide yields
Options
(a) sodium tert-butoxide (b) methyl tert-butyl ether (c) tert-butyl alcohol (d) iso-butylene
Correct Answer:
iso-butylene
Explanation:
No explanation available. Be the first to write […]
Bakelite is prepared by the reaction between
Options
(a) phenol and formaldehyde (b) ethylene glycol and dimethyl terephthalate (c) urea and formaldehyde (d) tetramethylene glycol and hexamethylene di-isocyanate
Correct Answer:
phenol and formaldehyde
The oxygen dissociation curve is
Options
(a) parabola (b) slope (c) sigmoid (d) straight line
Correct Answer:
sigmoid
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Soil salinity is measured by
Options
(a) Porometer (b) Potometer (c) Calorimeter (d) Conductivity meter
Correct Answer:
Conductivity meter
Explanation:
Water and soil salinity are measured by passing an electric current between the […]
Apical dominance is caused by
Options
(a) kinetin (b) gibberellin (c) auxin (d) ABA
Correct Answer:
auxin
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
A major application of embryo culture is in
Options
(a) clonal propagation (b) induction of somaclonal variations (c) overcoming hybridisation barriers (d) production of embryoids
Correct Answer:
overcoming hybridisation barriers
Explanation:
No explanation […]
In a National Park protection is provided to
Options
(a) Entire ecosystem (b) Flora and fauna (c) Fauna only (d) Flora only
Correct Answer:
Flora and fauna
Explanation:
No explanation available. Be the […]
Bicuspid valve allows blood from
Options
(a) right auricle to left auricle (b) right auricle to right ventricle (c) left auricle to left ventricle (d) post caval to heart
Correct Answer:
left auricle […]
Glycerol on treated with oxalic acid gives
Options
(a) acrolein (b) glycerose (c) formic acid and allyl alcohol (d) allyl alcohol and glycol
Correct Answer:
formic acid and allyl alcohol
Explanation:
At 110⁰C glycerol […]
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