Which among the following is incorrect about aestivation?

Which among the following is not correct about free-central placentation?

Roots in few huge trees are modifies to provide mechanical support.

Which among the following is not correct about simple dry fruits?

Which among the following is not correct about flower?

Which among the following is incorrect about adventitious root system?

A mustard flower is an example of _______

The eyes in the potato are the nodes in the potato.