No. of questions -20
Time - 10 min
1.
Who isolated the hormone auxin?
2.
Gaseous plant growth regulator is:
3.
The concentration of auxin is highest in________
4.
Which of the following is essential for fruit ripening ?
5.
Movement of auxin is centripetal
6.
Which is the chemical name of naturally occurring auxins?
7.
This hormone is not a growth inhibitor
8.
The hormone responsible for apical dominance is________
9.
Which hormone does help in fruit ripening?
10.
Phototropic and Geotropic movements are linked to_________
11.
Which of the hormone promotes bolting ?
12.
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called
13.
_______ is a gaseous plant hormone
14.
Which of the following statement is not correct?
15.
The site of perception of light in plants during photoperiodism is
16.
Auxin is not involved in:
17.
Which of the following is a terpene derivative ?
18.
The hormone which can replace is vernalization is _________
19.
A widely used rooting hormone is
20.
Foolish seeding disease of rise led to discovery of cytokenins
21.
Indole-3-acetic acid is the most common naturally occurring plant hormone of_________ class