Correct option is D
Given:
1. Seed
2. Flower
3. Plant
4. Bud
Now the order will be:
First comes Seed (1) →
From Seed grows a Plant (3) →
On the Plant, a Bud (4) appears →
The Bud then blooms into a Flower (2)
So, the correct sequence is: 1 → 3 → 4 → 2
Thus, correct option is (d).