plant morphology Questions

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

The flowers are Zygomorphic in:(a) Mustard(b) Gulmohar(c) Cassia(d) Datura(e) ChilliChoose the correct answer from the options given below:

Identify the correct set of statements:(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin(c) Stem is flattened and fleshy on Opuntia and modified to perform the function of leaves(d) Rhizophora shows vertically upward growing roots that help to get oxygen for respiration(e) Subaerially growing stems in grasses and strawberry help in vegetative propagationChoose the correct answer from the options given below: