The substances which have proved very effective in inducing root from the cut end of the stem is

Phenyl acetic acid

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α

-naphthalene acetic acid

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Indole acetic acid

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Indole butyric acid

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Solution

The correct option is D Indole butyric acid
Many new plants are usually propagated by stem cutting. Dipping the lower stem cuttings in a dilute solution of auxins (IBA) will result in the development of a large number of roots on the cut ends, which can ultimately develop into a whole plant.

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Q. Which amongst the following substances contains acetic acid?

Q. From an experiment to study the properties of acetic acid. Answer the question:
Name the substances which on addition to acetic acid produce Carbon dioxide gas. Give relevant chemical equation.

Q. Assertion :Acetic acid does not undergo haloform reaction. Reason: Acetic acid has no

α

hydrogen.

Name :
(a) compound formed when acetic acid and ethanol react together.
(b) the reducing agent used to convert acetic acid into ethanol.
(c) the substance used to change acetic acid to acetic anhydride.

Q. Which of the following gives the correct increasing order of acidic strength?
(a) Water < Acetic Acid< Hydrochloric Acid
(b) Water < Hydrochloric Acid < Acetic Acid
(c) Acetic Acid < Water < Hydrochloric Acid
(d) Hydrochloric Acid < Water < Acetic Acid

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The substances which have proved very effective in inducing root from the cut end of the stem is

The correct option is D Indole butyric acidMany new plants are usually propagated by stem cutting. Dipping the lower stem cuttings in a dilute solution of auxins (IBA) will result in the development of a large number of roots on the cut ends, which can ultimately develop into a whole plant.

The correct option is D Indole butyric acid
Many new plants are usually propagated by stem cutting. Dipping the lower stem cuttings in a dilute solution of auxins (IBA) will result in the development of a large number of roots on the cut ends, which can ultimately develop into a whole plant.