Are you looking for Mcqs on Photoperiodism and vernalization? If Yes then you are at right place. Here you will find Photoperiodism and vernalization Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Photoperiodism and vernalization Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Photoperiodism and vernalization Mcqs. as you know Questions and Ansers on Photoperiodism and vernalization is very important for Neet Exam. In this Photoperiodism and vernalization MCQ section for Neet competition we are covering MCQS on Photoperiodism and vernalization
Question : With which of the following process Cholodny-Went theory is concerned
A. Photorespiration
B. Photoperiodism
C. Phototropism
D. Photomorphogenesis
Question : The pigment involved in red-far red light interconversion is
A. Lycopen
B. Phytochrome
C. Cytochrome
D. Xanthophyll
Question : When the dark period of short day plants is interrupted by a brief exposure of light, then the plant
A. flowers immediately
B. will not flower at all
C. turns into a long day plant
D. gives more flowers
Question : This hormone can replace vernalization
A. Cytokinins
B. Gibberellins
C. Auxin
D. Ethylene
Question : A plant that needs not less than 10 hours of light to flower is
A. Day neutral plant
B. Long day plant
C. Short day plant
D. None of the above
Question : Reversal of etiolation effect by light is called
A. Red-far red light interaction
B. Photomorphogenesis
C. Anisotropic wall expansion
D. Richmond Lang effect
Question : The change over from vegetative to reproductive phase in many plants takes place in response to
A. Oxygen content in the air
B. severity of temperature
C. length of the day
D. mainly the food material available in the soil
Question : Phytochrome is found in
A. Fungi
B. Algae
C. Flowering plants
D. Vascular cryptograms
Question : Pigment phytochrome is involved in
A. Geotropism
B. Photoperiodism
C. Phototropism
D. Photorespiration
Question : This influences the flowering process
A. Photoperiod
B. amount of green pigment
C. acidity of the soil
D. water in the soil