Question

Isobilateral leaf is present in
a. grass
b. Cucurbita
c. sunflower
d. bean

Answer 1

Answer → Grass. 

Explanation → 
Isobilateral leafs are those leafs in which the number of the Stomata are same on both the surfaces of the leafs. Mostly monocots have the Isobilateral leafs. 
Since, the grasses are the monocots, they have the Isobilateral leafs, i.e. they contains the same number of the stomata on both th surfaces.  

Sunflowers, beans and Cucurbita are the examples of the dicots thus they have the dorseventral leafs. Dorsiventral leafs are those leafs which contains the large numbers of the stomata in the lower surfaces of the leafs as compared to the upper leafs. 

Thus, Option (a). is correct.


I hope it will helps you.

Answer 2

Isobilateral leaf is present in grass ...
hence,
option a. grass is correct...

thanks