A substance which accelerates the growth in stem is - Vidyadip

MCQ

A substance which accelerates the growth in stem is

A
Etiolin
✓
Auxin
C
Vitamin
D
Enzyme

✓

Answer

Correct option: B.

Auxin

b
It’s obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 13. Plant growth and development→STD 11 - 13. Plant growth and development — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Assume that two normal hyphal cells of different fungal mating types unite to form

...$A$... are structures present in the epidermis of leaves. They regulate process of transpiration and ...$B$... exchange. It is composed of two bean-shaped cells known as ...$C$... cells.

Choose the correct combination of $A , B$ and $C$ from the following options

Which of the following is not a viral disease?

In the chemistry of vision in mammals, the photosensitive substance is called.

Phellogen and phellem respectively denote:

Which of the following is not a co-enzyme:

Match the excretory organs listed under column $I$ with the animals given under column $II$. Choose the answer which gives the correct combination of alphabets of the two columns.

Column $I$ $(Excretory\, organs)$	Column $II$ $(Animals)$
$A.$ Nephridia	$p$ Hydra
$B.$ Malpighian tubules	$q$ Leech
$C.$ Protonephridia	$r$ Shark
$D.$ Kidneys	$s$ Round worms $t$ Cockroach

Bidder's canal is found in frog:

The body structure of green algae may be

The black pigment in the eye which reduces the internal reflection is located in: