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