Some foliar roots also produce adventitious roots as in:
1. Oxalis
2. Coleus
3. Tapioca
4. Bryophyllum
Plants, which produce characteristic pneumatophores and show vivipary belong to
(1) mesophytes
(2) halophytes
(3) psammophytes
(4) hydrophytes
Roots play insignificant role in absorption of water in
1. sunflower
2. Pistia
3. pea
4. wheat
Velamen is a specialized tissue found in
(1) aerial roots of orchids
(2) succulent leaves
(3) pneumatophores
(4) stilt roots