Phytochrome plays a critical role in seed germination. Which of the colours maximises the seed germination?
A) red
B) blue
C) violet
D) orange
Correct Answer:
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Q2: Which of the following can function in
Q16: Generally, each hormone has multiple functions in
Q17: Plant hormones _.
A) in plant cells naturally
Q21: In the autumn, the leaves of some
Q22: Which of the colours of visible light
Q24: Mammalian eyes sense light because the photoreceptor
Q25: _ prevents seeds from germinating until conditions
Q26: The biological clock controlling circadian rhythms must
Q27: Upon exposure to blue light, plants not
Q28: Suppose a plant had a photosynthetic pigment
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