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