Mention the Roles of Tissue Culture in Plant Reproduction.

Using different techniques of tissue culture technology we have achieve a lot of success. Applications and their successes and some tissue culture techniques are described......

Describe the Formation of a Female Gamete (n) from a Megaspore

By the following ways a female gamete is formed through the formation of a female spore and subsequently a female gamete inside the ovule is......

Describe Formation of Embryo Sac and Production of Female Gamete

Formation of embryo sac and production of egg or female Gamete (1) At first the nucleus of a female spore (n) divides to form two......

Describe Formation of Male Gametes from a Pollen Spore

Formation of male gametes from a pollen spore i) The nucleus of a pollen spore products two nuclei by mitosis. ii) The bigger nucleus is......

Describe the Formation and Structure of a Pollen Grain

Pollen grains are formed from the anther of a stamen of a flowering plant. There are pollen sacs inside the anther. At the adult stage,......

What is Flower? Name different parts of a Flower

Flower: The specially modified shoot which performs the sexual reproduction of a plant, is known as flower. Different parts of a flower: A typical flower......

Explain Formation of Annual Ring

Formation of Annual ring: i) In favourable conditions or seasons, i.e. in spring season, when plants get rapid growth, cambium grows more vessels with large......

Describe Formation of Secondary Medullary Rays

Formation of secondary medullary rays: i) Secondary medullary rays are formed from the cambium ring. ii) The cells of same particular places of a cambium......

Describe Formation of Secondary Xylem and Secondary Phloem

Formation of secondary xylem and secondary phloem Each cell of a cambium ring is divided to produce two cells, of which one acts as a......

Describe the Anatomical Structure of a Dicot Leaf

The anatomical structure of a dicot leaf / dorsiventral leaf. The following arrangement of tissues are seen in the cross section of a dorsiventral leaf......

Describe Formation of Lenticel

On the bark of woody plants, there are some lens shaped or egg shaped pores present called lenticel. Formation: i) For the convenience of gaseous......

What is Extra-stelar Secondary Growth?

Extra-stelar secondary growth: The secondary growth that takes place as an alternative measure to protect the dermis and other tissues present beneath the epidermis from......