Question

Which of the following statements is true about members of family Cucurbitaceae?

I. The pollen grain produces only one pollen tube, i.e. monosiphonous.

II. The pollen grain produces many pollen tubes, i.e. polysiphonous.

III. The pollen tube enters the ovule through integument.

IV. The pollen tube enters the ovule through the funicle.

Choose the correct option.

(a) Only II

(b) Both II and III

(c) Both I and III

(d) Both II and IV

Answer 1

Answer is : (b) Both II and III

In members of Cucurbitaceae, many pollen tubes are produced (polysiphonous) and the pollen tube enters the ovule through its middle part, i.e. through integument, which is also called mesogamy.