Engineer & Medical

Plant - Growth and Develo question bank (Botany)

Practice 386 free Engineer & Medical Botany - Plant - Growth and Develo questions with answers and step-by-step solutions.

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Q1.

Length of the stem at time 0 is $20$ cm. The arithmetic growth rate is $30$ cm per day. What is the length of the stem at the end of the $7^{th}$ day ?

(A)
$460$ cm
(B)
$50$ cm
(C)
$170$ cm
(D)
$230$ cm
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Q2.

Which of the following plant growth regulators is used as herbicide ?

(A)
Gibberellin
(B)
2,4-D
(C)
Kinetin
(D)
Abscisic acid
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