1.
Polyamines are compounds containing
4. Brassinosteroids are lipids synthesized from
a)
one amine group
b) two or more amine group
c) one amide group
d) two or more amide group
2. Precursors
of polyamines are
a)
arginine and asparagine
b) arginine and glutamine
c) arginine and lysine
d)
arginine and serine
3. All
the following are polyamines except
a)
spermidine
b) spermine
c) putrescine
d)
lysergine
4. Brassinosteroids are lipids synthesized from
a)
cholesterol
b) stigmasterol
c) campesterol
d)
ergosterol
5. Brassinisteroids
are involved in enhancing
a)
senescence
b) dormancy
c) cell division
d)
ripening
6. Which
of the following is a synthetic growth inhibitor
a)
ethylene
b) ABA
c) morphactin
d)
IBA
7. Which
of the following is a flowering hormone
a)
ethylene
b) ABA
c) morphactin
d)
florigen
8. The
hormone that is produced during chilling treatment
a)
IAA
b) ethylene
c) gibberrelin
d)
vernalin
a)
stress hormone
b) flowering hormone
c) wound hormone
d)
growth hormone
10. Which
of the following is a hormone derived from phenols
a)
morphactins
b) phosphon D
c) polyamines
d)
coumarin
11. Which
of the following are flowering hormones
a)
vernalin and florigen
b) florigen and ethylene
c) ethylene only
d)
both a and b
12. Caulines
are hormones
a)
specific to particular region of a plant
b) of meristamatic region
c) of abscission layers
d) none of these
Answers
1-b
|
2-c
|
3-d
|
4-c
|
5-c
|
6-c
|
7-d
|
8-d
|
9-c
|
10-d
|
11-a
|
12-a
|
Tags:
MCQ on Phytohormones
multiple choice questions on phytohormone
multiple choice questions on plant hormone
phytohormones mcq
plant hormones mcq