Carl Linnaeus
The Architect of Nature's Order. Before the 18th century, naming plants and animals was absolute chaos. A single species of plant might have a cumbersome, paragraph-long descri…
The Architect of Nature's Order. Before the 18th century, naming plants and animals was absolute chaos. A single species of plant might have a cumbersome, paragraph-long descri…
When exploring the foundations of Indian plant taxonomy, one figure anchors the post-Linnaean era: Dr. William Roxburgh (1751–1815). Universally celebrated as the "Fathe…
From Stranger to Invader: How Alien Plants Threaten Our Ecosystems In today’s globally connected world, the movement of goods, people, and even plants has become easier th…
IDEOTYPE CONCEPT & CLIMATE-RESILIENT VARIETIES 1. Ideotype Concept in Crop Breeding Proposed by Donald (1968). Ideotype = "Ideal plant type" with specific …
BREEDING STRATEGIES FOR SPECIFIC CROPS 1. WHEAT (Triticum aestivum) Objectives: High grain yield and drought tolerance. Rust resistance (stem rust, leaf rust). &nbs…
BREEDING OBJECTIVES AND PROCEDURES 1. Major Breeding Objectives Breeding programs focus on: ? High yield potential – Developing high-yielding varieties (HY…
Study of Genetics of Qualitative and Quantitative Characters Genetics plays a crucial role in determining the inheritance of traits in plants and animals. These traits are broad…
2. Distribution of Species and Wild Relatives Wild relatives of crops play a crucial role in breeding programs for developing disease-resistant and climate-resilient…
1. Plant Genetic Resources (PGR) refer to the genetic material of plants, including seeds, tissues, DNA, and whole plants, that have actual or potential value for agriculture, food…
Photosynthesis is when green plants, algae, and some bacteria convert light energy into chemical energy, producing glucose and oxygen from carbon dioxide and water. 1. Importanc…
Centers of Origin of Crop Plants Understanding where crop plants originated is essential for plant breeding. It helps scientists find wild relatives, new genes (especially for d…
Nucleic Acids 1. Importance of Nucleic Acids Genetic Information Storage – DNA carries genetic code. Protein Synthesis – RNA helps in transcription & tra…
Enzymes 1. General Properties of Enzymes Biological Catalysts – Speed up reactions without being consumed. Highly Specific – Act on specific substrates. Wo…
Metabolism of lipids: Beta oxidation, Biosynthesis of fatty acids. 1. Beta Oxidation (Fatty Acid Degradation) Location: Mitochondrial matrix Purpose: Breaks down fatty a…
Metabolism of Carbohydrates: Notes 1. Glycolysis (Embden-Meyerhof Pathway) Location: Cytoplasm Purpose: Converts glucose (6C) → pyruvate (3C) to generate ATP and NA…
Proteins 1. Importance of Proteins Structural Role – Collagen, keratin (skin, hair, nails) Enzymatic Function – Catalyze biochemical reactions (e.g., amylase…
Lipids 1. Importance of Lipids Energy storage (high caloric value) The structural component of cell membranes Insulation and protection Precursor for hormones (stero…
Carbohydrates Carbohydrates are organic molecules composed of carbon, hydrogen, and oxygen, typically with the general formula (CH?O)n. They serve several essential biological f…
Uptake of Water by Plants The process by which plants absorb water, primarily through their root hairs, is called water absorption. This is a vital process as water and minerals…
pH : pH measures the concentration of hydrogen ions (H+H^+) in a solution, indicating its acidity or alkalinity. pH=−log?10[H+]\text{pH} = -\log_{10}[\text{H}^+] …
Water Water is a unique and essential substance with several important properties that make it vital for life and various processes. The attractive forces between water molecule…
Structural hierarchy in the molecular organization of cells: The structural hierarchy in the molecular organization of cells represents a progression from simple molecules to …
All organisms can be classified according to their source of energy (sunlight or oxidizable chemical compounds) and their source of carbon for the synthesis of cellular material. …
Structure of the Cell: Notes Cells are the basic structural and functional units of life. All living organisms are made up of cells, which vary in structure and function. There …
The Nobel Prize in Physics 2024 John J. Hopfield and Geoffrey Hinton “for foundational discoveries and inventions that enable machine learning…
Inter-governmental science polity platform on Biodiversity and ecosystem services; IPBES REPORT 2024 Transformative Change Assessment Examines the root causes of biodivers…
A list of winter garden plants commonly grown in Uttar Pradesh, India, along with their botanical names: Vegetables Spinach - Spinacia oleracea Fenugreek - Trigonella fo…
Earth Summit (1992) in Rio de Janeiro has created 3 important bodies Convention on Biological Diversity (CBD), the United Nations Framework Convention on Climate Change (UNFC…
Dudhwa National Park, located in Uttar Pradesh near the Indo-Nepal border, is a significant biodiversity hotspot and part of the Dudhwa Tiger Reserve. Established in 1977, Dudhwa i…
The Cherry Blossom Festival celebrates the vibrant bloom of cherry blossoms. In India, this festival is prominently observed in Shillong, Meghalaya, during November, when the Himal…
Strobilanthes kunthiana, commonly known as Neelakurinji, is a remarkable plant found in the shola grasslands of the Western Ghats in India. This plant's gregarious blooming cyc…
Chandubi is a natural lagoon located 64 km from Guwahati, the capital of Assam. The lake is surrounded by lush vegetation and is rich in aquatic biodiversity. Every year, it serves…
In his COP29 opening speech, UN Climate Change Executive Secretary Simon Stiell emphasized the urgent need for global collaboration to confront the escalating climate crisis. Stiel…
COP16 of the Convention on Biological Diversity, held in Cali, Colombia, in late 2024, made strides toward advancing biodiversity goals but faced challenges, particularly around fu…
Umananda Devaloi is a Shiva temple on Umananda Island (Peacock Island) in the Brahmaputra River, opposite the Kamrup Deputy Commissioner's office in Guwahati. Known as the smal…
Malaysia is set to advocate for nature-based solutions and expand protected areas at COP16, a crucial conference focused on biodiversity. COP16, or the 16th meeting of the Conferen…
Kaziranga National Park in Assam, renowned for its rich biodiversity and as a UNESCO World Heritage Site, has now gained attention for its butterfly conservation efforts. India&rsq…
A Glimpse into the Typical Village Field: The Heart of Rural Life Village fields form the lifeblood of rural communities, sustaining both livelihoods and cultural heritage. Thes…
Impact of Damping on Plant Diversity Reduction in Species Richness: Damping can selectively affect plant species that are more vulnerable to the pathogens responsible. As sus…
The rainy season brings relief from the scorching summer heat, but it also brings a host of diseases and infections due to increased humidity, stagnant water, and a surge in mosqui…
Summer is here and with rising temperature, it’s not only the unbearable temperature that can harm you but also bring a host of diseases. In India, Summer is the warmest seas…
Native plants are the foundation of local ecosystems, having evolved over thousands of years to adapt to the specific climate, soil, and wildlife of a region. Unlike exotic or non-…
The term "alien plants" might evoke images of otherworldly flora from science fiction, but in the context of ecology, it refers to plant species that are not native to a …
Lantana camara is a flowering plant in the verbena family, Verbenaceae. It is native to the American tropics but has been naturalized in many other parts of the world, including th…
Diabetes: A Lifestyle Disease Diabetes is often referred to as a "lifestyle disease," highlighting the crucial role that daily habits and choices play in its developme…
Cold Weather and Heart Disease: What You Need to Know-As the cold weather sets in, many people find themselves bundling up to protect against the chill. But did you know that the w…