MCQ
Which hormone promotes rooting in cuttings:
- AGibberellin
- BCytokinin
- CAuxin
- DNone of the above
Explanation:
Auxin promotes rooting for the cuttings.NAA is a prominent auxin which is used to promote rooting in stem cuttings.NAA is known as naphthalene acetic acid.It is a synthetic auxin which promotes rooting in dwarf plants or stem.It also decreases the rate of senescence and abscission.It promotes respiration and increases the rate of metabolism.It increases the sweetening in certain fruits.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $A$. Cartilaginous Joint | $I$. Between flat skull bones |
| $B$. Ball and Socket Joint | $II$. Between adjacent vertebrae in vertebral column |
| $C$. Fibrous Joint | $III$. Between carpal and metacarpal of thumb |
| $D$. Saddle Joint | $IV$. Between Humerus and Pectoral girdle |
Choose the correct answer from the options given below:
| Column $- I$ | Column $- II$ |
| $(1)$ Imbricate | $(P)$ Gulmohur |
| $(2)$ Velvet | $(Q)$ Cotton |
| $(3)$ Twisted | $(R)$ Caltrops |
| $(S)$ Pea |