G.H. Shull observed inbreeding depression in a plant. Miller and Letham isolated a hormone from the immature seeds of that plant. Which of the following character is NOT associated with that plant?

Read the following statements A and B.

A: Many organs of aquatic plants float in water.

B: Large air gaps are present in the collenchyma tissues of lotus leaf.

Select the correct answer.

In a flower, there are five unequal petals. The posterior petal is the largest. The two anterior petals are partially fused to form a boat shaped structure. The two lateral petals are smaller than the posterior petal.

Which one of the following characters is not associated with such a flower?

Match the lists and select the code.

Vascular bundles in monocotyledons are considered closed because

Casparian strips are present in the _____ of the root.

Cork cambium is

Seed coat is not thin, membranous in

Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.

I. Secondary cortex

II. Autumn wood

III. Secondary phloem

IV. Phellem

The correct order is:

Lenticels are involved in