Seed dormancy - class-VII
Description: seed dormancy | |
Number of Questions: 41 | |
Created by: Vaibhav Pathak | |
Tags: biology plant growth plants: structure and function plant growth and development |
The cause of dormancy for sometime in fertilized ovule is
Which of the following breaks the dormancy of potato tubes?
Seed dormancy is due to the : -
Which compound can induce seed dormancy?
Dormancy of seed is broken by
Seed dormancy is an adaptation to ensure its germination during
Treatment of seed at low temperature under moist conditions to break its dormancy is called as
Common cause of seed and bud dormancy is the presence of
The pant in which hypocotyl store food is
Which of the following is associated with dormancy of seeds?
The hormone which can break seed dormancy is
Prechilling treatment to break seed dormancy is
Thiourea is used in overcoming seed dormancy by
Seeds of some plants do not germinate even under favourable conditions due to
Among the following which compound can induce seed dormancy?
Seed dormancy may be due to
The seed in which dormancy can be broken by red light is
Seed dormancy allows the plants to
A method of breaking dormancy and allowing ample absorption of water is
Which one of the following does NOT exhibit seed dormancy?
Dormancy is induced by.
Treatment of seed at low temperature under moist conditions to break its dormancy is called -
Which method makes the seed coat permeable and allows growth of embryo?
Verbalization is used to overcome chemical dormancy in seeds. The temperature range used for this purpose is?
Consider the following statements regarding allelopathy.
a. It is the phenomenon of seed dormancy due to the presence germination inhibitors on the surface of seed coat.
b. It is the phenomenon of the production of organic substances by one plant having handful effect on the other.
c. It helps proper spacing of the plants to reduce competition.
d. It helps the xerophytes to grow in small groups to reduce the transpiration.
Of these statements.
Which one of the folowing phytohrmones is known to contribute to hud dormancy?
Embryo are not differentiated into different tissues at the time of fruit ripening. Select option related to this statement?
Most of the phosphorus in the developing seeds is stored as.
For a seed to germinate, the dormancy period will need to be broken by
Which one does not exhibit seed dormancy?
Which of the following is not the example of escape in time?
Dormancy is absent in seeds of ______________.
Which of the following action makes a seed coat becomes permeable to water?
Which of the following conditions is needed by almost all seeds to break dormancy?
State whether the following statements are true or false.
In a plant seedling exposed to light on only one side, auxin produced in the tip moves to the lighted side and inhibits growth of cells there.
Seed dormancy is associated with
Seed dormancy can be broken by the following combination of chemicals