•Gymnosperms were originated in Paleozoic era (541-252 million years ago). •They were the dominant plants of the Jurassic and Cretaceous periods of the Mezozoic era. •Most ancient seed bearing vascular…

AAS is an analytical technique used to determine the concentration of metal atoms/ions in a sample. It is used for detecting metals and metalloids in samples. It used to determine…

In the recent years, biotechnology has emerged as a major contributor to the growth of Indian economy. With the fast-growing global developments in biotechnology, the Indian Patent Office has eased…

Introduction People in most cultures have developed many biotechnologies, which they continue to use and adapt. Some biotechnologies, such as manipulating micro-organisms in fermentation to make bread, wine or fish…

Cyanobacteria also known as blue-green bacteria, blue-green algae, and Cyanophyta, is obtain their energy through photosynthesis.1-General Characteristicsa. Prokaryotic, no true nucleus, amorphous interior. ~1350 freshwaterspecies. b. Sometimes specialize in extreme…

A greenhouse is a framed or an inflated structure covered with a transparent or translucent material in which crops could be grown under the conditions of at least partially controlled…

Greenhouse type based on shape Lean-to type greenhouse A lean-to design is used when a greenhouse is placed against the side of an existing building. It is built against a…