Q. No.The spring varieties are normally planted in…...and come to flower and produce grain……
(1) Autumn season, after the end of growing season
(2) Spring season, at the end of growing season
(3) Spring season, before the end of growing season
(4) Autumn season, at the end of growing season
(1) Autumn season, after the end of growing season
(2) Spring season, at the end of growing season
(3) Spring season, before the end of growing season
(4) Autumn season, at the end of growing season
Biennial plants are
(1) Monocarpic plants
(2) Flower for two seasons
(3) Flower in first season
(4) All of these
Which of the following is not an example of of biennial plants?
(1) Sugarbeet
(2) Cabbage
(3) Carrots
(4) Rye
Seed Dormancy is
(1) Controlled by external environment
(2) Controlled by endogenous conditions
(3) Controlled by external environment and as well as endogenous conditions
(4) Controlled by external environment only
Which of the following is not a reason of seed being dormant?
(1) Impermeable and hard seed coat
(2) ABA
(3) Phenolic Acids, Para Ascorbic Acid
(4) External temperature
Which of the following cannot overcome seed Dormancy?
(1) GA
(2) Nitrates
(3) Changes in environmental Conditions
(4) Phenolic Acids
Seed coat barrier in some seeds cannot be broken by
(1) Vigorous shaking
(2) Mechanical abrasions using knives, sandpaper
(3) Chilling conditions
(4) Microbial action
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