31.
Which of the following prevents the fall of fruits
A
GA3
B
NAA
C
Ethylene
D
Zeatin
Answer :
NAA
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
32.
How does pruning help in making the hedge dense?
A
It frees axillary buds from apical dominance
B
The apical shoot grows faster after pruning
C
It releases wound hormones
D
It induces the differentiation of new shoots from the rootstock
Answer :
It frees axillary buds from apical dominance
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
33.
Primary precursor of I.A.A. is
A
Phenyl alanine
B
Tyrosine
C
Tryptophan
D
Leucin
Answer :
Tryptophan
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
34.
Natural cell division inducing factor occurs in
A
Coconut milk
B
Immature maize seeds
C
A and B both
D
Heated t - RNA
Answer :
A and B both
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
35.
Indole acetic acid generally inhibit the growth of
A
Root
B
Leves
C
Shoots
D
Plants in general
Answer :
Root
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
36.
In germinating seeds Amylase, Proteases, ] Lipases are stimulated by
A
Auxin
B
Gibberellin
C
Cytokinin
D
Ethylene
Answer :
Gibberellin
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
37.
Movement can seen in fungal hyphae
A
Chemotactic
B
Chemotropic
C
Thigmotropism
D
None of the above
Answer :
Chemotropic
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
38.
Which breaks dormancy of potato tuber
A
Gibberellin
B
IAA
C
ABA
D
Zeatin
Answer :
Gibberellin
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
39.
Mimosapudica shows
A
Chemotropism
B
Nyctinasty
C
Seisomanasty
D
All of the above
Answer :
All of the above
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
40.
Removal of apical bud results in
A
formation of new apical bud
B
elongation of main stem
C
death of plant
D
formation of lateral branching
Answer :
formation of lateral branching
Discuss Question
No explanation is given for this question. Let's discuss the answer together.