Leptotene Stage of Meiosis in Plants

Leptotene Stage of Meiosis in Plants Leptotene is the stage of meiosis in which the chromosomes are threadlike in shape. At the leptotene stage the......

Permanent Tissue: Definition, Types and Characteristics

Permanent Tissue: Definition, Types and Characteristics Permanent tissue: The kind of tissue in which the cells lose their dividing capacity after originating from meristematic tissue......

Elements of Phloem Tissue

Phloem tissue is the kind of tissue, made of some living and dead cells which has the chief function to conduct prepared food materials from......

Structure and Functions of Stomata in Plants

Structure and Functions of stomata in Plants Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Some minute pores which......

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......