Seed Germination
Trending Questions
What is an embryo in a plant?
Do seeds need sunlight to germinate?
Define dormancy.
A plant that reproduces from its leaves is:
Potato
Bryophyllum
Carrot
Sugarcane
Which seeds germinate quickly?
State the functions of radicle and plumule
Give an example of a seed that is exalbuminous.
The germ pores in the pollen grain are the regions
that can withstand high temperature and strong acids and alkalies
through which sperms are released into the female gametophyte
which are made up of lignin and suberin
which lack sporopollenin
Which of the following is not needed for the germination of seeds.
Water.
Oxygen in the air.
Suitable temperature.
Carbon dioxide in the air.
Germinated grams are considered highly nutritive. What is the reason for this belief?
Apomictic seeds are formed due to
Protrusion of nuclear cells into embryo sac.
Formation of egg without reduction division.
Development of embryos from sporophytic tissues like integumentary cells.
- All of the above.
How much moisture is present in a mature seed?
Plumule is the future root and radicle is the future shoot of the plant
False
True
Sometimes the potatoes kept in a basket during the late rainy season start giving out small shoots. Would you call it germination? Give reason in support of your answer.
In a dry seed, the embryo is inactive. It is said to be in a state of
Are the following statements true (T) or false (F) ?
(a) Some seeds have no cotyledons at all. (T/F)
(b) Maize grain is fruit and not a seed. (T/F)
(c) Seeds fallen in a flower-bed from the previous crop usually do not germinate until the next sowing season. (T/F)
(d) Oxygen is necessary for the germination of seeds. (T/F)
Arrange the following set of terms in order, so as to be in logical sequence. Rewrite the correct order.
(a) Embryo, 1st male gamete, zygote, egg cell, micropyle.
(b) Zygote, embryo, seed, allogamy, fusion of gametes.
(c) Seed coat bursts, hypocotyl elongates, radicle grows downward, hypocotyl forms loop above the soil, epicotyl elongates.
With regard to germination in bean seed, answer the following questions:
(a) State the function of the `Micropyle'.
(b) Name the part of the seed that grows into the seedling.
(c) Name the part of the seed that provides nutrition for the growing seedling.
(d) Draw a neat labelled diagram of a mature bean seed.
Explain the germination of seed and type of germination with the help of a suitable diagram. What are the conditions necessary for germination?
Why we invert the flasks during the test for heat production during respiration?
Why is moisture essential for seed germination?
- Positive photoblastic
- Negative photoblastic
- Non-photoblastic
- None of the aboove
- Oxygen for increased metabolism
- Adequate temperature
- Adequate water
- All of these
Why do most seeds germinate in spring?
What kind of germination is seen in chickpeas(channa)?
Define the following:
Hypogeal germination.
Can I put seedlings in direct sunlight?
Define Corm
