Question

Which of the following kinds of venation is present in bananas?

• A. Reticulate unicostate
• B. Reticulate multicostate
• C. Parallel unicostate
• D. Parallel multicostate

Answer 1

The correct option is C

Parallel unicostate

The correct option is C.

Explanation for correct option:

1. Parallel venation is the arrangement of the leaves in which the veins run parallel to each other.
2. In a parallel unicostate, only one vein called the principal vein runs through the lamina from base to apex.
3. Bananas have parallel unicostate arrangements of leaves.
4. Other examples include Canna.

Explanation for incorrect options:

Option A:

1. In this venation, only one midrib occurs in the center from where lateral branches arise.
2. Examples of reticulate unicostate include mango, Nerium, etc.

Option B:

1. In this vein, the leaf lamina has more than one principal vein.
2. Examples include castor and cotton.

Option D:

1. In this type, there is more than one principal vein running parallel to each other.
2. Examples- grasses and palms.

Final answer: Parallel unicostate kind of venation is present in bananas.