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
Which is not a physiological effect of auxins?
  • A
    Cell elongation
  • B
    Development of parthenocarpic fruits
  • C
    Prevention of abscission of leaves and fruits
  • ✓
    Reversal of genetic dwarfism
✓

Answer

Correct option: D.
Reversal of genetic dwarfism
d
It is shown by Gibberellins

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

Free­central placentation is found in
→
Group embryophyta includes
→
In mitosis the movement of chromosomes requires
→
In the given diagram of lenticel, label $A, B, C$ in the given option
→
Glucagon hormone is secreted by the ______.
→
Match the following columns and select the correct option
Column $I$ Column $II$
($a$) Pituitary hormone ($i$) Steroid
($b$) Epinephrine ($ii$) Neuropeptides
($c$) Endorphins ($iii$) Peptides, proteins
($d$) Cortisol ($iv$) Biogenic amines
→
The type of cell seen in a tendon is
→
In monocot leaf, chloroplast are found in:
→
The evolutionary advanced features of Selaginella are

$(a)$ Heterospory

$(b)$ Endosporic development of gametophyte

$(c)$ Reduced gametophyte

$(d)$ Localization of sporangium bearing appendages in strobili

$(e)$ Unisexual gametophytes

$(f)$ Fertilization with the help of water

→
Sarcolemma is a membrane found over in
→