41.
Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the

46.
In Trapa bispinosa a cell or cell at the floor of the substomatal cavity contain star shaped crystals of calcium oxalate, called the

49.
"The liverworts grow usually in moist, shady habitats such as banks of streams, marshy ground, damp soil, bark of trees and deep in the woods. The plant body of a liverwort is thalloid, e.g. Marchantia. The thallus is dorsi-ventral and closely appressed to the substrate. The leafy members have tiny leaf-like appendages in two rows on the stem-like structures."
The above statement signifies which of the following Bryophyta?

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