Short Note on Malvaceae, Solanaceae and Liliaceae
Malvaceae: (i) Leaf: simple and alternate, free lateral stipule present. (ii) Androecium: Stamens monadelphous, staminal tube situated around the style. (iii) Anther: One celled and…
Biology
Definitions of Somatic Cell and Gamete
Somatic cell: The cells of the multi-cellular organisms that only form the physical structure but do not take part in reproduction are said to be…
Define Cell and Mention different types of Cells
A cell may be defined by the following ways: (1) A cell is the structural and functional unit of life (2) The self-reproducing, structural and…
Describe on Angiosperms
In angiosperms, the seeds are enclosed by fruits. The angiosperms are an exceptionally large group of plants occurring in wide range of habitats. They range…
Describe on Gymnosperms
The gymnosperms are plants in which the ovules are not enclosed by any ovary wall and remain exposed both before and after fertilization. The seeds…
Describe on Pteridophytes
The Pteridophytes include horsetails and ferns. Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals. Evolutionarily, they are…
What is Floral Formula?
The signs which are used to express different whorls, number of floral leaves, their arrangements symmetry, sexuality etc. of the flower are said to be…
Describe on life cycle of Mosses
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage is the protonema stage,…
Describe on Liverworts
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.…
Explain on Bryophytes
Bryophytes include the various mosses and liverworts that are found commonly growing in moist shaded areas in the hills (Figure). Figure: Bryophytes: A liverwort –…
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