In which of the following sets of families, the pollen grains are viable for months?

(A)Solanaceae, Poaceae and Liliaceae
(B)Brassicaceae, Liliaceae and Poaceae
(C)Rosaceae, Liliaceae and Poaceae
(D)Leguminosae, Solanaceae and Rosaceae

The NCERT line that answers it

Verbatim line

In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release, and in some members of Rosaceae, Leguminosae and Solanaceae, they maintain viability for months.

Chapter: Sexual Reproduction in Flowering Plants
Section: 1.2.1 Stamen, Microsporangium and Pollen Grain
Page: 7
Words matched: 24 of 32

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that in Rosaceae, Leguminosae and Solanaceae, pollen grains maintain viability for months, which directly matches option D and distinguishes it from other options.

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