Are you looking for Mcqs on Plant growth and development? If Yes then you are at right place. Here you will find Plant growth and development Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Plant growth and development Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Plant growth and development Mcqs. as you know Questions and Ansers on Plant growth and development is very important for Neet Exam. In this Plant growth and development MCQ section for Neet competition we are covering MCQS on Plant growth and development
Question : _________ is a colourless gas that serves as a signalling hormone.
A. Benzene
B. Nitric Oxide
C. Ozone
D. None of the above
Question : ________ is a plant hormone generally present in the gaseous state
A. Ethylene
B. Ethane
C. Argon
D. None of the above
Question : ____________ tissues synthesize natural cytokinins
A. Old
B. Rapidly dividing
C. Storage
D. None of the above
Question : Tendrils of garden peas coiling around any support signifies:
A. Seismonasty
B. Thigmotaxis
C. Gravitropism
D. Thigmotrophism
Question : Uneven distribution of auxins may lead to
A. Phototrophic curvature
B. Day-neutral curvature
C. Both (1) and (2)
D. None of the above
Question : The significance of the day length in plants was first shown in:
A. Barley
B. Lettuce
C. Tobacco
D. Tomato
Question : Seed dormancy is triggered by
A. Indole-3-ethanol
B. Abscisic acid
C. Carbon dioxide
D. None of the above
Question : _________can stimulate the germination of barley seeds
A. α-amylase
B. Abscisic acid
C. Benzoic acid
D. Coumarin
Question : One of the following is not an auxin
A. Indole-3-acetic acid
B. Malic Hydrazide
C. Indole butyric acid
D. Naphthalene acetic acid
Question : Coconut milk contains a cytokinin called ____ which promotes plant growth.
A. Naphthalene acetic acid
B. Indole-3-acetic acid
C. Gelatin
D. Zeatin