Which one of the following is one of the characteristics of self-pollinated flowers?
(a) Flowers are large and showy
(b) Flowers remain closed and do not open
(c) Stigma and anthers mature at the same time
(d) Pollen is produced in very large quantities

Q. Cleistogamous flowers are self-pollinated because [1 mark]
(A) they are bisexual flowers which do not open at all.
(B) they are bisexual and open flowers.
(C) they are unisexual.
(D) their stigma matures before the anthers dehisce.

Q.

Which of the following statement is false regarding the advantages of self-pollination?

1. In bisexual flowers where stamens and carpels mature at the same time
2. Parental characters are not preserved
3. There is no wastage of pollen grains
4. The flowers need not be large and showy

Q. Which of the following features is/ are common to both wind and water pollinated flowers?

Q.

Give one word/term for the following :
(a) A flower containing both male and female parts
(b) Arrangement of flowers on a twig/stem
(c) When pollen grains of a flower reach the stigma of the same flower.
(d) When maturation time of reproductive parts in a flower is different.
(e) When stigma and anthers do not grow up to same height, which favours only cross-pollination ?
(f) Pollination of flowers by insects.
(g) Pollination of flowers by birds.

Q. Very short answer type :
Write the characteristic features of anther, pollen and stigma of wind pollinated flowers.