Science

Lecture 1 : Agricultural practices; Preparation of soil & Sowing

Lecture 2 : Adding manures and fertilizers & Irrigation

Lecture 3 : Protection from weed & Harvesting and Storage

Lecture 4 : Revision

Lecture 1 : Microorganisms & Microorganism and us: Friendly microorganisms

Lecture 2 : Disease causing microorganisms & Food preservation

Lecture 3 : Nitrogen fixation & Nitrogen Cycle

Lecture 4 : Revision

Lecture 1 : Synthetic Fibres & Plastics and other synthetic materials

Lecture 2 : Advantages of plastics; Disadvantages of plastics & Fibrous materials in use

Lecture 3 : Revision

Lecture 1 : Metals : Physical and Chemical Properties and Uses

Lecture 2 : Non-Metals : Physical and Chemical Properties and Uses

Lecture 3 : Revision

Lecture 1 : Coal and its story; Natural Resources : Inexhaustible and exhaustible natural resources; Useful products obtained from coal & Formation of coal and petroleum in nature

Lecture 2 : Petroleum and refining of petroleum; Natural Gas; Natural resources are limited & Fossil Fuel And Its Impact On Habitat

Lecture 3 : Revision

COMBUSTION AND FLAME

CONSERVATION OF PLANTS AND ANIMALS

CELL — STRUCTURE AND FUNCTIONS

REPRODUCTION

REACHING THE AGE OF ADOLESCENCE

FORCE AND PRESSURE

FRICTION

SOUND

CHEMICAL EFFECTS OF ELECTRIC CURRENT

SOME NATURAL PHENOMENA

LIGHT

STARS AND THE SOLAR SYSTEM

POLLUTION OF AIR AND WATER