Question

Which is the example of seed dispersal by wind ?

• A. Trewia
• B. Juglans
• C. Bombax
• D. Ziziphus

Hint:

Dispersal Mechanisms in Trees:
- Wind (Anemochory): Bombax, Holoptelea, Pinus, Shorea.
- Water (Hydrochory): Cocos nucifera, Trewia.
- Animals (Zoochory): Ziziphus, Ficus, Prunus.

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
The question asks to select the tree species whose seeds are dispersed by wind (Anemochory).

Step 2: Adaptation Features for Anemochory:

• Wind Dispersal (Anemochory): Seeds or fruits feature morphological adaptations such as hairs, plumes, wings, or balloon-like structures that allow air currents to carry them over long distances.

• Bombax ceiba (Red Silk Cotton Tree): Produces large capsule fruits. Upon dehiscing, the seeds are released surrounded by dense, lightweight, silky white cotton fluffs that float easily in wind.

Step 3: Detailed Explation:

• Juglans (Walnut): Large heavy hard-shelled nuts dispersed by gravity or animals (squirrels/rodents).
• Ziziphus (Ber): Fleshy drupe fruits consumed and dispersed by birds and mammals (Zoochory).
• Trewia nudiflora: Fleshy fruits dispersed by water or riverine animals.
• Bombax: The classic forestry example of anemochorous seed dispersal via cotton hairs.

Step 4: Fil Answer:
Bombax is a classic example of wind seed dispersal. Hence, option (C) is correct.