Q. No.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
(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
Effect of inhibitory substances cannot be removed by…..in order to overcome seed Dormancy.
(1) Chilling conditions
(2) Application of GA
(3) Application of Nitrates
(4) Application of Para-ascorbic acid
Which of the following is not a natural mean to remove seed coat?
(1) Microbial action
(2) Passage through Digestive tract
(3) Vigorous shaking
(4) Both (2) and (3)
Which of the following is not an example of of biennial plants?
(1) Sugarbeet
(2) Cabbage
(3) Carrots
(4) Rye
Biennial plants are
(1) Monocarpic plants
(2) Flower for two seasons
(3) Flower in first season
(4) All of these
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