Are you looking for Mcqs on Plant hormones? If Yes then you are at right place. Here you will find Plant hormones Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Plant hormones Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Plant hormones Mcqs. as you know Questions and Ansers on Plant hormones is very important for Neet Exam. In this Plant hormones MCQ section for Neet competition we are covering MCQS on Plant hormones
Question : Which of these is not a function of auxin?
A. inducing callus formation
B. inducing dormancy
C. enhancing cell division
D. maintaining apical dominance
Question : This bioassay is used to detect the presence of auxin
A. Only tobacco pith culture
B. Tobacco pith culture and Avena curvature test
C. Tobacco pith culture and Split pea stem curvature test
D. Split pea stem curvature test and Avena curvature test
Question : This is the precursor of Indole-3-acetic acid
A. Methionine
B. Tryptophan
C. Glycine
D. Isopentynyl pyrophosphate
Question : Formation of the nodule is induced by
A. IAA
B. NAA
C. IBA
D. Both (a) and (c)
Question : Transport of auxin is
A. non-polar
B. symplast
C. apoplast
D. polar
Question : The leaf defoliator utilized in the Vietnam war by the USA known as Agent Orange was
A. 2,4, -D and 2,4,5 – T
B. Ethylene
C. 2,4, -D and NAA
D. 2,4,5 – T, ethylene and NAA
Question : A widely used rooting hormone is
A. 2,4, -D
B. NAA
C. 2,4,5 – T
D. Cytokinin
Question : ___________ is a gaseous plant hormone
A. IBA
B. Ethylene
C. Abscisic acid
D. NAA
Question : This hormone is not a growth inhibitor
A. Dormin
B. Abscisic acid
C. Ethylene
D. IAA
Question : Indole-3-acetic acid is the most common naturally occurring plant hormone of _______ class
A. Gibberellin
B. Auxin
C. Ethylene
D. Cytokinin