Biology

A particular photoperiod is essential for the flowering of a particular variety or species which acts as lower limit or higher limit. Thus, critical photoperiod…

Photoperiodism: The tendency of plants to respond to the comparative length of day and light is called Photoperiodism. It can also be defined by the…

Parthenocarpy: A fruit is any fertilized ovary that has developed and matured. In some cases, ovaries may develop into fruits without the fertilization of ovaries.…

Classification of flowering plants based on the length of day light. We know that the length of day and night does not remain same all…

Role of phytochrome pigments in flowering Phytochrome pigments: Phytochrome is a kind of pigment. This pigment can ‘possibly’ be extracted from different plants. Phytochrome is…

Physiology of the growth of pollens: Formation and development of a pollen tube from a pollen grain is inevitable for fertilization. Male gametes pass to…

Skin: The organs that make up our body are covered with skins to protect them from diseases or external injury. Skin acts as the covering…

We feel various type of test such as sweet, sour, spicy and bitter with the help of tongue. It is our organ of taste. The…

We can identify fragrance and odour with our nose. We breathe and smell with it. We enjoy the fragrances of flower and cover our nose…

Physiology of production of fruits and seeds Fruits and seeds are formed in angiosperm plants seeds are present inside the fruit. Fertilization is the precondition…