The fossil fern, Rhynia was discovered by?
Which of the following has amphiphloic siphonostele ?
Which of the following is called ‘walking fern’?
Cyphellae in lichens are analogous to ----------------- in higher plants ?
--------------- is a drooping pendant fruticose lichen ?
If the somatic chromosome number for an organism is 2n = 16, the hexaploidnumber would be ?