by abhishek | Aug 26, 2020 | Evolution
Homologous organs may be defined as the organs of different animals which have similar basic structure but different functions. For example, the flippers of a whale, the forelimbs of a frog and man have the same basic structures but they perform different functions,...
by abhishek | Aug 26, 2020 | Evolution
The word organic evolution is made up of two words ‘organic’ which means ‘living organisms’ and ‘evolution’ which means ‘unfold’. So, organic evolution is the unfolding of the process of formation of different types of organisms. As we see that there are millions of...
by abhishek | Aug 26, 2020 | Asexual Reproduction
The production of new plants from special tissues in the synthetic nutritive medium containing plant nutrients and plant hormones is called tissue culture or micro propagation. In this technique some plant cells or plant tissues are taken from the meristamatic regions...
by abhishek | Aug 26, 2020 | Asexual Reproduction
Artificial vegetative propagation is the deliberate production of new plants from parts of old plants by humans. This can be done by following three methods: 1. Cutting 2. Layering 3. Grafting CuttingThe part of the plant which is removed by cutting it from...
by abhishek | Aug 25, 2020 | Asexual Reproduction
Vegetative reproduction is the method of obtaining new plants from the parts (such as stems, roots and leaves) of an old plant, without any type of involvement of sex organs. Thus this method of reproduction is used in the production of higher plants from the...
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