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Discovery of Auxin

Which of the ...

Question

Which of the following is an auxin?

A

Malic acid

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B

Abscisic acid

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C

Pyruvic acid

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D

Indole acetic acid

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Solution

The correct option is D Indole acetic acid
This promotes growth in plants.

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Similar questions

Q. What is the final product of glycolysis - pyruvic acid/ glucose/ malic acid/ phosphoglyceric/ Acetyl CoA/ Phosphoric acid.

Q. Arrange the following compound formed in respiration based on their C-atoms in ascending order.
(I) Pyruvic acid (II)

α

-ketoglutaric acid (III) Citric acid (IV) Malic acid

Q. Pick the reaction from the following where the reduction of FAD

^{+}

occurs in the reactions of respiration.
(I) Succinic acid

\to

Fumaric
(II) Malic acid

\to

Oxaloacetic acid
(III) 2 phosphoglycerate

\to

Phosphoenol pyruvic acid
(IV) Pyruvic acid

\to

Q. Match the items of column I and column II.

	Column I		Column II
$a$	Auxin	$p$	${G A}_{3}$
$b$	Gibberellin	$q$	Indole Acetic Acid
$c$	Cytokinin	$r$	Abscisic Acid
$d$	Dormin	$s$	Acetic acid
		$t$	Zeatin

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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Discovery of Auxin

Standard XII Biology

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