Normal Vegetative Reproduction Subject: Biology If we sow a potato or sweet potato, a root of Kakrol or a branch of Madar it will naturally gives rise to grow a new plant. But if we plant a branch of Mango…
Reproduction of Plants and Types of Reproduction Subject: Biology If we want to plant a Jackfruit (Artocarpus heterophyllus) tree we sow a seed of a Jackfruit, because Jackfruit tree originates from Jackfruit seed. in this way we get Jaam (black berry) tree from a…
Importance of Dispersal of Fruits and Seeds Subject: Biology In addition to protecting the embryo, the fruit plays an important role in seed dispersal. Without favorable conditions, the seed does not germinate. Again without a favorable environment, no seedling can grow big. If all…
Dispersal of Fruits and Seeds Subject: Biology Usually a plant produces a large number of fruits and seeds. Some fruits are carried from one place to another by human beings for their own interest e.g. Litchi, Mango, Jackfruit etc. In some plants…
Significance of Fertilization Subject: Biology As a result of fertilization, the ovary of a flower develops into a fruit and ovules to seeds. Seeds maintain and increase the generation by reproduction. If there were no seed probably the plant would…
Development of Embryo Subject: Biology The embryo develops after fertilization. A diploid zygote is developed as a result of the union of male and female gametes. It is also called a fertilized egg. The zygote remains in resting stage for…
Formation of Female Gamete Subject: Biology Inside the ovary of a flower there lies the ovules. In each of these ovules one megaspore mother cell (female reproductive mother cell or egg mother cell) is produced. This cell undergoes meiotic division to…
Formation of Male Gamete Subject: Biology Inside the anther there are pollen mother cells. By meiosis four pollen grains are produced from each pollen mother cell. Each pollen grain contains two coverings, the outer coating is called exine and the inner…
What is Fertilization? Subject: Biology We know there are small organs named ovules in the ovary of a flower. These ovules later on develop to seeds. The seeds we see in the fruits like Mango, Jambolina (Jaam), Lichi, Jackfruit etc.…