Home
Class 11
BIOLOGY
An excised leaf does not turn yellow if ...

An excised leaf does not turn yellow if it is induced to root this is attributed to synthesis in root of or Leaf aging is retarded by
Or
The cut flowers and vegetable can be kept be fresh a long period by which plant hormone

A

Ethylene

B

Cytokinins

C

Gibberellins

D

Auxins

Text Solution

Verified by Experts

The correct Answer is:
B
Cytokinin prevents decolouration of chlorophyll studty under Richmond land effects. Cytokinin increase shelf life of vegetables and cut flowers and keep then fresh for longer time by preventing deterioration of protein chlorophyll.
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS IN HIGHER PLANTS

    ERRORLESS |Exercise Photosynthesis In Higher Plants|339 Videos

  • PLANT KINGDOM

    ERRORLESS |Exercise Plant Kingdom|553 Videos

Similar Questions

Explore conceptually related problems

The cut flowers and vegetables can be kept fresh for a long period with the help of:

The cut flowers and vegetables are kept fresh for a long period by which of the following plant hormone ?

The plant hormone that induces cell proliferation ,plant growth and development , trigger callus differentiation , embryogenesis , maintenance of root and shoot meristems , keep the cut flowers and vegetables fresh is

Consider the following statements and select the correct option stating which one is true(T) and which one is false (F) i) Vemalisation can help in shortening the juvenile or vegetative period of plant and bring early flowering ii) Phytochrome is a pigment protein complex which exists in two inter-convertible forms - P_r and P iii) Sugar beet flowers after getting the inductive cycle of long dark periods and short photoperiods iv) 2,4-D acts as weedicide to remove broad leaved weeds. V) Auxins promote growth of lateral buds whereas cytokinins inhibit it

Boojho had the following parts of a rose plant – a leaf, roots, a branch, a flower, a bud and pollen grains. Which of them can be used to grow a new rose plant?

It is a common method of vegetative propagation in which 20-30 cm long pieces of one year old stems are cut, their lower ends are dipped in root promoting hormones and are then planted in the soil, which then develop adventitious roots. This method of vegetative propagation is performed in

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group? 1) Leaf 2) Flower 3) Branch 4) Pollen 5) Root

Give one example each of the following : (A) A plant having hypanthodium inflorescence (B) A palmately compound leaf having 5 or more terminal leaflets (C) A plant with decompound leaves (D) A cladode (E) A plant which reproduces vegetatively by root tubers (F) A plant in which the floral buds of inflorescence transform into bulbils (G) A plant in which the free ends of adnate stipules are modified into tendrils (H) An endospermic dicotyledonous seed (I) A plant which completes its life-cycle in two years (J) A plant in which the main plant body is a thalloid root which carries out the process of photosynthesis.