Read this article in Hindi to learn about the structure of spirogyra, explained with the help of a suitable diagram. पहचान एवं वर्गीकरण: यह अलवणीय जल के जलाशयों में पाया जाने वाला तन्तुरूपी हरा शैवाल है । इसकी आयताकार कोशिका में कुंडलित रिबन जैसा क्लोरोप्लॉस्ट इसकी खास पहचान है । वर्गीकरण में इसका स्थान निम्नानुसार है: जगत् - पादप-जगत् (यूकैरियोटिक [...]
A famous botanist F.E. Fritsch (1935) classified algae into following 11 classes, based on pigmentation, reserve food material, flagellation and reproduction. Class 1. Chlorophyceae (= Isokontae): Generally algae are fresh water and chlorophyllous thallophytes. Chlorophyll b and carotenoides are present in chloroplasts. The cell wall is made up of cellulose and food is synthesized in the form of starch. Motile [...]
In this article we will discuss about:- 1. Distribution of Cyanophyta 2. Organisation of Cyanophyta 3. Reproduction. Distribution of Cyanophyta: The division Cyanophyta or Myxophyta, commonly known as blue-green algae, consists of a single class Cyanophyceae or Myxophyceae or Schizophyceae whose plants are extremely simple in several respects. Members of this division enjoy a wide range of distribution in all [...]