Question

The ‘walking’ fern is so named because
A) Its spores are able to walk
B) It propagates vegetatively by its leaf tips
C) It is dispersed through the agency of walking animals
D) It known how to walk by itself

Answer 1

Hint:The term 'walking fern' is utilized because the new plantlets develop any place the angling leaves of the parent plants contact with the ground and grow new plants. This gives a walking impact.

Complete answer:
Adiantum caudatum which is a fern belonging to pteridophytes is named as 'walking fern' since it propagates vegetatively by its leaf tips. In Adiantum caudatum and different species, adventitious buds create leaf tips. At the point when such leaf tips end up contacting the soil, they grow new plants. The cycle helps in spreading the plant over an enormous territory. 'Walking fern' alludes to the two types of plant that belong with the genus Asplenium. The term 'walking fern' is utilized because the new plantlets develop any place the angling leaves of the parent plants contact the ground. This gives a walking impact.

Thus, the correct answer is option (B) It propagates vegetatively by its leaf tips.

Note:Walking fern is an enduring non-flowering vascular plant with triangle shaped long leaves with a couple of projections at the base of the sharp edge. The leaves are straightforward, barely three-sided, with got venation. The leaves flourish at the lengthened tips, shaping new plantlets. Due to its different leaves, a few botanists have placed the walking fern into its own genus, Camptosorus. Many ferns are grown as ornamental plants in the garden for their showy, large and graceful foliage such as Adiantum (walking fern). Adiantum is also called as maidenhair fern due to its beautifully arranged black shiny petioles of compound leaves. Azolla is a water fern.