HardBotany
+4 / -1
Phytochrome exists in:
A
One form
B
Two interconvertible forms
C
Three forms
D
Four forms
Previous
In photoperiodism, critical day length refers to:
NextWhich hormone promotes synthesis of α-amylase in germinating seeds?
More from Plant Growth & Development
Medium
IAA is essential in all except
MediumAssertion (A) : During arithmetic growth, there is growth at constant rate. Reason (R) : In arithmet
MediumHow many among the following statements are incorrect ? (a) Plant growth is defined as reversible in
MediumRemoval of apical bud results in growth of lateral buds. Which plant hormone suppresses the growth o
MediumMatch Column I and II:
MediumYou are given a tissue with the potential for differentiation in an artificial culture. Which of the
Practice Botany Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams