Notes and Study material for Exams
Tissue culture Tissue culture, a method of biological research in which fragments of tissue from an animal or plant are transferred to an artificial Environment in which they can continue to survive and function. The cultured tissue may consist of a single cell, a Population of cells, or a whole or part of … Read more
The Nitrogen Cycle: A Vital Dance of Life and Death The nitrogen cycle is a fundamental process that sustains life on Earth. It describes the continuous movement of nitrogen, a crucial element for all living organisms, through various reservoirs in the environment. This intricate dance of transformation involves a complex interplay of physical, chemical, and … Read more
Evaporation: The Unsung Hero of the Water Cycle Evaporation, the process by which a liquid transforms into a gas, is a fundamental phenomenon in nature. It plays a crucial role in the water cycle, driving weather patterns, shaping landscapes, and sustaining life. This seemingly simple process is a complex interplay of energy, temperature, and atmospheric … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> , in humans, specialized sense organ capable of receiving visual images, which are then carried to the brain. The eye is protected from mechanical injury by being enclosed in a socket, or orbit, which is made up of portions of several of the bones of the … Read more
Principal of inheritance and variation Inheritance or Heredity is the genetic information passing for traits from parents to their offspring, either through asexual Reproduction or sexual reproduction. This is the process by which an offspring cell or organism acquires or becomes predisposed to the characteristics of its parent cell or organism. Through heredity, variations exhibited … Read more
Fibrous Root System Adventitious Roots Root Hairs Lateral Roots Adventitious Roots The defining feature of fibrous root systems is that they primarily consist of adventitious roots. These roots emerge from the base of the stem rather than developing from the primary root of the germinating seed. Adventitious roots in fibrous systems contribute to the dense, … Read more
Mission COVID Suraksha: India’s Drive for Vaccine Self-Reliance The COVID-19 pandemic, a global health crisis of unprecedented scale, exposed vulnerabilities in the world’s healthcare systems, particularly in vaccine production and distribution. India, with its vast population and limited access to affordable vaccines, found itself at a critical juncture. Recognizing the urgency of the situation, the … Read more
The Power of Manure: A Deep Dive into Essential Elements for Plant Growth Manure, a natural byproduct of animal waste, has long been recognized as a valuable resource for enriching soil and promoting plant growth. Its organic composition provides a wealth of nutrients, improving soil structure and fostering a thriving ecosystem for plants. This article … Read more
Reproductive systems The reproductive system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex HORMONES. A gamete is a haploid cell that combines with another haploid gamete during fertilization. Sex hormones are chemical messengers that control sexual development and Reproduction. The male reproductive system consists … Read more
Introduction to alkaloids (nicotine and cocaine) Alkaloids, any of a class of naturally occurring organic nitrogen-containing bases. Alkaloids have diverse and important physiological effects on humans and other animals. Well-known alkaloids include morphine, strychnine, quinine, ephedrine, and nicotine. Alkaloids are found primarily in Plants and are especially common in certain families of flowering … Read more