Which one shows the correct descending sequence with reference to the number of cohorts?

Study the following statements:

(I) Bulb of Allium cepa is a modified stem.

(II) "Cloves" of Allium sativum are fleshy scale leaves.

(III) Corm of Colocasia is a modified root.

(IV) Tendril in Vitis vinifera is a modified axillary bud.

Identify the correct pair:

Arrange the following plants in the ascending order based on the number of leaflets in a leaf:

(I) Hardwickia

(II) Gynandropsis

(III) Marsilea

(IV) Citrus

The correct sequence is:

Assertion $\left(\mathrm{A}\right)$: The type of inflorescence in Sphaeranthus is cyathium.

Reason $\left(\mathrm{R}\right)$: In cyathium type of inflorescence, the flowers are achlamydeous.

The correct answer is,

Arrange the following plants in descending order based on the number of their mericarps:

(I) Ricinus

(II) Coriandrum

(III) Ocimum

(IV) Abutilon

The correct sequence is: