Question

Velamen tissue is found in:
a) Mesophytes.
b) Epiphytes
c) Hydrophytes
d) Xerophytes

Answer 1

These are the major group of the plant kingdom which includes orchids, mosses, bromeliads. These take part in the nutrient cycle of the plants.

Complete answer:
Velamen is the plant tissue and it is a multi-layered epidermis which is called velamen. Velamen consist of the non-living cells with the lignified strips of secondary wall. Velamen tissues are spongy like tissue which covers the roots of various epiphytic or may be semi-epiphytic plants like orchid. So, velamen tissue is found in epiphytes. In mesophytes, hydrophytes, xerophytes velamen tissues are not found.

Additional information : Mesophytes are the plants that grow in sunny or shady areas like forest areas. Most crops are mesophytes which include maize, privet, clover, goldenrod, etc. Epiphytes are the major group of the plant kingdom that includes orchids, mosses etc. They take part in the nutrient cycle. Examples are: Spanish moss, flowering plants. Hydrophytes are the aquatic plants that are found in the living aquatic environments. They are thin cuticles and they adjust themselves according to the environment. Examples of hydrophytes are aquatic plants like lotus, water lettuce, water lily etc. Xerophytes are found in tropical forests where the water supply is intermittent for plants to survive. Examples of xerophytes are: pineapple, oleander, barbary fig etc.

Thus, the correct answer is option B. i.e., Epiphytes.

Note: The main function of velamen is that they prevent loss of water from the cells, provide support to the cells and also helps plants in absorbing the water into them. It also protects the vascular tissues and adheres to the plant to substrate.