Download App

STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Two synthetic auxins are
  • A
    $IAA$ and $IBA$
  • ✓
    $2$, $4-D$ and $NAA$
  • C
    $IAA$ and $NAA$
  • D
    $2$, $4-D$ and $IBA$
✓

Answer

Correct option: B.
$2$, $4-D$ and $NAA$
b
$2$, $4-D$ i.e., $2$, $4$-Dichlorophenoxyacetic acid
$NAA$ i.e., Napthalene acetic acid are produced artificially

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→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Oxidative phosphorylation involves simultaneous oxidation and phosphorylation to finally form.
→
Being photosynthetic, which organism in absence of sunlight behave like heterotrophs?
→
Developing embryo (in vitro) shows
→
What is correct regarding leucocytes?
→
Match List $I$ with List $II$ :

List $I$ List $II$
$A.$ Pleurobrachia $I.$ Mollusca
$B.$ Radula $II.$ Ctenophora
$C.$ Stomochord $III.$ Osteichthyes
$D.$ Air bladder $IV.$ Hemichordata

Choose the correct answer from the options given below :

→
Proteins which catalyse biochemical reactions in the living world are known as
→
From the following statements select the wrong one
→
The process of cell eating is called
→
A healthy individual has ...$A$... grams of haemoglobin in every ...$B$... mL of blood. These molecules plays a significant role in the transport of ...$C$... gases

Choose the correct option for $A , B$ and $C$

→
The main nitrogenous waste of Hydra is
→