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Physical Quantity Formula Charge Q = n x e Current  I = Q/t   or  I = ne/t Work done W = QV Potential difference V = IR Resistance R = V/I

Introduction Properties of Matter The properties of matter are the characteristics that help us identify and differentiate one substance from another. These properties are broadly classified into physical properties and chemical properties. 1. Physical Properties Physical properties are those properties of a substance that can be observed or measured without changing the chemical composition of […]

Basic Introduction Gram Pea Black Gram Pigeon Pea Lentils Crops Kharif Crops Rabi Crops Crops which are grown in rainy season from the month of June to October. Crops grown during winter season from the month of November to April. Eg- Paddy, soyabean, pigeon pea, maize, cotton, green gram and black gram Eg – wheat, […]

Introduction Tissues Plant Tissues Plant: Simple Permanent Tissues Plant: Complex Permanent Tissues Xylem parenchyma Xylem fibre Vessels Tracheid Living Dead Dead Dead Helps in photosynthesis, and storage of food. Helps in providing mechanical strength. Have thick walls, Tubular structures, Helps in transporting water and minerals. They too have thick walls and tubular structures. Help in […]

What Is a Cell? History Picture of a compound microscope Membranes Scientists Robert Hooke Robert Brown Anton Von Leuwenhoek Purkinje Diffusion Osmosis Solutions Tonicity Cell Wall Nucleus Cytoplasm Types of Cells Cells, those have a proper membrane bounded nucleus and its genetic material is organized inside its nucleus. Cells, those do not have a proper […]

Introduction To Neurons Pathway Of Transmission Of Nerve Impulse Reflex Arc Figure showing Pathway of transmission of nerve impulse Nervous System Functions Of Different Parts Of Brain Coordination In Plants TROPISM Negative response Positive response Hydrotropism (response to water) Shoot system Root system Geotropism (response to gravity) Shoot system Root system Phototropism (response to light) […]

Introduction Reproduction Asexual Reproduction Binary fission in leishmania Diagram showing budding in hydra Sexual Reproduction Sexual Reproduction In Plants Image of pistil Image of stamen       Self – pollination    Cross – pollination Transfer of pollen grains from anther to the stigma of the same flower. Transfer of pollen grains from anther of a flower […]

Dr Manmohan Sing was born on Sept 26, 1932 in Gah. His greatest accomplishments came early in 1990s, when he became the finance minister in the PV Narsimha Rao’s government. He led India through a serious balance of financial crisis and crippled economy.

Kepler’s Laws of Planetary Motion are fundamental to our understanding of the solar system and the behavior of celestial objects. By describing the elliptical paths of planets, their variable speeds, and the relationship between their orbital periods and distances from the Sun, Kepler’s work changed the course of astronomy forever.