Cleistogamous flowers are found in ....

Branched type of pollen tube is formed in

Select the correct option with respect to the chromosome number in the sexual life cycle of an apple $(2n = 34)$.

Which of the following statement$(s)$ is/are correct for cleistogamous flowers?
$(a)$ They have exposed anthers and stigma
$(b)$ They produce assured seed set
$(c)$ They need pollinators for pollination
$(d)$ Variations in traits are not seen in next generation

Select the incorrect statement.

In the figure given below,the plant bears two different types of flowers marked '$A$' and '$B$'. Identify the types of flowers and state the type of pollination that will occur in them.