Which among the following is not correct about different modifications of stem?

Several ripened ovaries produced by same flower on same thalamus form aggregate fruits and each ovary forms a fruitlet.

Which among the following is incorrect about Fabaceae?

Grass contains adventitious roots.

Which among the following is not correct about modifications of roots to facilitate respiration?

A single cotyledon is also termed as ______

Which among the following is incorrect about bulb?

Which among the following is incorrect about importance of root system?