Question

Plants that produce characteristic pneumatophores and show vivipary belong to:

• A. Mesophytes
• B. Halophytes
• C. Psammophytes
• D. Hydrophytes

Answer 1

The correct option is B

Halophytes

The correct option is option B.

Explanation of the correct option:

1. Pneumatophores are modifications of roots.
2. Vivipary is defined as in-situ seed germination.
3. Halophytes have pneumatophores for gaseous exchange and are viviparous.
4. They are adaptations to survive in saline and water-logged conditions.

Explanations of the incorrect options:

Option A:

1. Mesophytes are plants needing a moderate amount of water.
2. They are not viviparous and do not possess pneumatophores.

Option C:

1. Psammophytes are plants that grow in sandy soils.
2. They are not viviparous and do not possess pneumatophores.

Option D:

1. Hydrophytes are plants that grow only in water.
2. They are not viviparous and do not possess pneumatophores.

Final answer: Plants that produce characteristic pneumatophores and show vivipary belong to halophytes.