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Question
Who demonstrated that cut tip of canary grass seedlings resume phototropic sensitiveness when pasted back in its position?
Who demonstrated that cut tip of canary grass seedlings resume phototropic sensitiveness when pasted back in its position?
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Solution
The correct option is D Charles Darwin
Charles Darwin used cut tip of canary grass seedlings to demonstrate the sensitivities of the stem apex to light mediated movements. Boysen used Avena cut tips to demonstrate presence of plant hormones. Paal showed through his experiments that some other growth promoting substances are present in cut tips. Hence, option A is correct.
Charles Darwin used cut tip of canary grass seedlings to demonstrate the sensitivities of the stem apex to light mediated movements.
Boysen used Avena cut tips to demonstrate presence of plant hormones.
Paal showed through his experiments that some other growth promoting substances are present in cut tips.
Hence, option A is correct.
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