Vernalisation - class-XI
Description: vernalisation | |
Number of Questions: 53 | |
Created by: Arav Srivastava | |
Tags: growth and development plant growth biology plant growth and development |
Vernalization can remove Kernel wrinkles in:
Vernalization is subjected to plants growing in
Which of the following is not true regarding vernalisation
Vernalization is a phenomenon which concerns
Chemical agent that has important role in flowering is
What is vernalisation?
Vernalization treatment can convert
Vernalization is
The pathway leading to flowering for plants that requires vernalization is the
Which of the following can shorten the vegetative period of plants?
Vernalization stimulates flowering in
The application of vernalization is
The phenomena of vernalization is discovered by the
Which of the following can converts winter variety crop plants into spring variety?
Flowering time can be changed through
The duration of cold treatment in vernalisation varies from
Which of the following hormones can replace vernalization?
The physiological process that compensate the effect of thermophase in plant is
The term vernalization was first introduced by
Perianth in the spike let of jawar is represented by
Flowering dependent on cold treatment is
Vernalisation is
Low temperature treatment of some semigerminated seeds for some period often induces subsequently quicker flowering in plants. This process is called
The practice of subjecting seeds to low temperatures for a period of time in order to cause growth and flowering during summer season is called as
The process of vernalisation is
Vernalisation promotes flowering in response to
The term "vernalisation" was coined by
Hormone responsible for vernalization is
Low temperature treatment to speed up the process of flowering is referred to as
Which one hastens flowering in plants?
Which of the following statements regarding photoperiodism is false?
Which is incorrect statement?
Seeds of winter varieties are benefitted by technique
Vernalisation is seen in
The stimulus of cold treatment (vernalisation) is perceived by
Apple requires a low temperature for flowering and fruiting
The term 'Yarovization' was coined by
Potato is _________ for flower formation but _________ for tuberisation.
Cabbage is a biennial plant which produces flowers in the second year of growth. In an attempt to make it flower in a single year, four potted plants (I, II, III, and IV) of cabbage were subjected to different temperatures for several days given in the table.
Potted plant | Temperature |
---|---|
I | $5^o C$ |
II | $20^o C$ |
III | $30^o C$ |
IV | $25^o C$ |
Which potted plant will show flowering?
Biennials get changed into annuals by
It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plants becomes short and early flowering takes place. This phenomenon is known as
Which of the following hormones can replace vernalisation?
Low temperature is required in apple for a duration of
The phenomenon which shortens vegetative period and hastens flowering is
Nitrate reductase enzyme forms?
Citrus canker is caused by.
The compound pollen grain, massula is characteristic of ____________.
Pseudo-embryo sacs present in.
Fragrant flowers with well developed nectaries are an adaptation for _______.
Clay and humic acid particles hold tightly.