Are you looking for Mcqs on Auxin? If Yes then you are at right place. Here you will find Auxin Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Auxin Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Auxin Mcqs. as you know Questions and Ansers on Auxin is very important for Neet Exam. In this Auxin MCQ section for Neet competition we are covering MCQS on Auxin
Question : Which of the following combination of hormones will promote differentiation of shoot as well as root in tissue culture?
A. Gibberellin and abscisic acid
B. Auxin and abscisic acid
C. IAA and gibberellin
D. Auxin and cytokinin
Question : Commonly applied hormone in tea plantation is
A. abscisic acid
B. ethylene
C. indole-Â3-Âacetic acid
D. zeatin
Question : Removal of apical bud results in
A. more axillary buds
B. flowering ceases
C. more lateral branches
D. plant growth ceases
Question : Auxin is transported polarly. Mostly, auxin movement is
A. acropetal
B. basipetal
C. centripetal
D. both (a) and (c)
Question : Which one of these is commonly used synthetic auxin
A. NAA
B. IAA
C. IBA
D. GA
Question : The Avena curvature test is an accurate bioassay for
A. ABA
B. GA3
C. IAA
D. Ethylene
Question : Uneven distribution of _______ results in phototropic curvature
A. phytochrome
B. auxin
C. gibberellin
D. cytokinin
Question : Find the incorrect match
A. Abscissic acid Â- Stomatal closure
B. IAA Â- Cell wall elongation
C. Cytokinin Â- Cell division
D. Gibberellic acid Â- Leaf abscission
Question : Flowering can be induced in pineapple by application of
A. IAA, IBA
B. NAA, 2,4Â-D
C. Phenyl acetic acid
D. Cytokinin
Question : Application of ________ can delay abscission of fruits and leaves at early stages
A. gibberelic acid
B. ethylene
C. auxin
D. cytokinin