Question

To study pollen germination, some pollen from flowers such as pea, chickpea, Crotolaria, balsam and Vinca are collected and dusted on a glass slide containing a drop of ______ (a) ______ solution about _____ (b) ______ percent. After about _____ (c) _____ minutes, pollen tubes coming out of the pollen grains.

• A. (a)—Saline, (b)—$5$, (c)— $5$ to $10$
• B. (a)—Sugar. (b)—$5$, (c)— $10$ to $20$
• C. (a)—Saline, (b)— $10$, (c)— $15$ to $30$
• D. (a)—Sugar, (b)— $10$, (c)— $15$ to $30$

Answer 1

Answer: (D)

To study pollen germination some pollen from flowers such as pea, chickpea, Crotolaria, balsam and Vinca are collected and dusted on a glass slide containing a drop of sugar solution about $10$ per cent. After about $15$ to $30$ minutes, pollen tubes coming out of the pollen grains.