The plant hormone ____ governs senescence in plants, such as the loss of leaves in autumn by some plants.
A) cytokinins
B) abscisic acid
C) gibberellins
D) brassinosteroids
E) ethylene
Correct Answer:
Verified
Q31: The plant hormone _ causes chloroplasts to
Q32: Suppose you are culturing tobacco callus in
Q33: Fruit ripening is promoted by _.
A) ethylene
B)
Q34: The plant hormone structurally similar to adenine
Q35: The plant hormone _ is apparently synthesized
Q37: Leaf aging is retarded by _.
A) salicylic
Q38: The plant hormones _ appear to regulate
Q39: The plant hormone _ is primarily responsible
Q40: The plant hormone _ has been shown
Q41: The plant hormone _ is generally responsible
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