The cambium activity in dicot stem is higher during spring and summer as compared to autumn and winter.

True

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False

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Solution

The correct option is A
True

Due to higher requirement of minerals and water, the cambium is more active during spring and summer and makes wider xylem. This activity is lesser during autumn and winter and therefore the xylem formed is smaller in size.

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\begin{matrix} i. Winter variety & 1. Planted in spring, grows till winter, flowers and forms seeds in the next year. ii. Spring variety & 2. Planted in autumn, germinates in winter, grows in spring, and harvested usually during mid-summer. iii. Biennial variety & 3. Planted in spring and harvested during autumn. \end{matrix}

\begin{matrix} i. Winter variety & 1. Planted in spring, grows till winter, flowers and forms seeds in the next year. ii. Spring variety & 2. Planted in autumn, germinates in winter, grows in spring, and harvested usually during mid-summer. iii. Biennial variety & 3. Planted in spring and harvested during autumn. \end{matrix}

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