Home
Class 12
BIOLOGY
A hormone which can substitute effect of...

A hormone which can substitute effect of cold treatment and photoperiodism to bring early flowering is

A

ethylene

B

gibberellin

C

cytokinin

D

florigen

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND POPULASTIONS

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|167 Videos

  • PLANT KINGDOM

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTION|252 Videos

Similar Questions

Explore conceptually related problems

Which of the following plant hormone substtutes for long photoperiods in flowering plants

Which wavelengths are the most effective in photoperiodism ?

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Phytochrome which is a photoreceptor for photoperiodic induction can be extracted from

Effect of prolactin hormone is on which gland?

Which of the following statements are correct? 1.Gibberellins can substitute light treat- ment 2. Gibberellins can convert biennials into annuals 3. Gibberellins favour flowering in long day plants 4. Gibberellins induce flowering in short day plants Select the correct answer using the codes given below

Nicotiana sylvestris flowers only during long days and N.tobacum flower only during short days in the labortory undre different photoperiods , they can be induced to flower at the same time and can be cross fertized to flower aat the and can be corss fertillzed to produce self - fertile offsping .What is the best reason for considering N. sylvestris and N . tobacum to be separate species

The hormone which brings about characteristic changes in male at puberty is called

The hormone which brings about characteristic changes in male at puberty is called

A flower which can be divided into two equal halves by only one plane is