Question 31: Stratification is the treatment given to break
(a) Immature embryo dormancy
(b) Mechanical dormancy
(c) Physical dormancy
(d) All
Question 32: Physiological dormancy is due to
(a) Absence of PGR (Plant Growth Regulators)
(b) Hard seed
(c) Insufficient space
(d) Presence of inhibitors
Question 33: Dormancy of apple seeds is broken by
(a) Scarification
(b) Cold stratification
(c) Growth regulator
(d) All
Question 34: Seed pelleting is
(a) Pre-sowing seed treatment
(b) Pre-storage seed treatment
(c) Mid-storage seed treatment
(d) None
Question 35: Infusion of Plant Growth Regulator into the seed through organic solvent
(a) Dry permeation
(b) Hydration-dehydration
(c) Hardening
(d) Priming
Question 36: Panchagavya is
(a) Biocontrol agent
(b) Botanic used for seed treatment
(c) Bio-pesticide
(d) Bio-product used for multipurpose
Question 37: During dry permeation, the seed moisture content is
(a) Reduced
(b) Increased
(c) No change
(d) None
Question 38: Seed treatment chemical against loose smut of wheat is
(a) Thiram
(b) Bavistin
(c) Carboxin
(d) Mancozeb
Question 39: The priming agent, which does not penetrate the cell wall, is
(a) PEG
(b) Mannitol
(c) Halogens
(d) D-mannitol
Question 40: The priming agent which penetrates the cell wall is
(a) PEG
(b) Mannitol
(c) Halogens
(d) D-mannitol
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