Notes and Study material for Exams
Biological Weathering: The Silent Sculptor of Earth’s Landscapes The Earth’s surface is a dynamic tapestry, constantly reshaped by the relentless forces of nature. While physical weathering, driven by the power of wind, water, and ice, is often the first to come to mind, another, less visible force plays a crucial role in shaping our planet: … Read more
Molecular breeding and marker assisted selection Molecular breeding Molecular Breeding or Marker assisted breeding (MAB) is the process of using the results of DNA tests to assist in the selection of individuals to become the parents in the next generation of a genetic improvement program. The choice among various methods of MAB depends … Read more
Hazard Vulnerability and Risk Profile of Himachal Pradesh Himachal Pradesh is highly vulnerable State to a large number of natural as well as man- made disasters. Earthquake and floods has jolted this hilly State many times and caused great losses to the State. Flood, cloudburst, landslide and cloud burst are other common natural calamities of … Read more
found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands aremainly composed of steppes and savannas. Steppe … Read more
Cotton is a soft, fluffy staple fiber that grows in a protective case around the seeds of the cotton plant. The fiber is almost pure cellulose, and it is used to make a variety of products, including clothing, textiles, paper, and cosmetics. Production Cultivation Ginning Harvesting Pest and disease management Fiber Properties Strength Softness Absorbency … Read more
Objects having characteristics of cellular organization, Growth, Reproduction, ability to sense Environment and give response are living organisms. There are some important features of living organisms: It should grow, which means its structure changes as time goes by in an advantageous manner. It should show adaptation to the environment. It should maintain some balanced … Read more
Fertilizers All Plants need certain mineral nutrients to survive. These Minerals occur naturally in the Soil and are taken up from the soil by the roots of the plants. Most soils usually have enough of these minerals to keep plants healthy. However, some nutrients are gradually used up by the plants, or are … Read more
The Tundra: A Frozen Frontier of Life The word “tundra” evokes images of vast, desolate landscapes blanketed in snow and ice. While this perception holds some truth, the tundra is far from barren. It is a unique and resilient ecosystem, home to a surprising array of life adapted to survive in some of the harshest … Read more
Phytoremediation: Harnessing the Power of Plants to Clean Up Our Environment The world faces a growing environmental crisis, with pollution from industrial activities, agricultural runoff, and other sources contaminating our soil, water, and air. While traditional remediation methods often involve expensive and disruptive technologies, a more natural and sustainable approach is gaining traction: phytoremediation. This … Read more
Crops and its Classifications Crops are plants that are grown for food, fiber, fuel, or other products. They are an essential part of human life, providing us with the nutrients we need to survive. There are many different types of crops, each with its own unique characteristics. Classification Based on Use: Food Crops Industrial crops … Read more