Biology Question - QS Study

Critical Photoperiod

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 and Photoperiod: Definition

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 and Parthenocarpic Fruits

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.......

Types of Plants according to the Length of Day Light

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

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

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: Sensory Organ

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......

Tongue: Sensory Organ

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......

Nose: Sensory Organ

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

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......

Ear: Sensory Organ

We have two ears- one on each side of our head. Other than helping us with hearing, ears also help us maintain the balance of......

Auxin: Definition and Formation

Auxin: Auxin is a phytohormone. The bio-chemical substances formed in the plant bodies which, remaining in a very lower concentration; control the growth of plants......