Category: Science Stream (11)
1. Food And Its Components
We get foods from plants. Green plants are the only source of food. Green plants produce starch through a mechanism called Photosynthesis. Animals get food directly or indirectly from plants.…
1. CONCEPT OF DEVELOPMENT AND ITS RELATIONSHIP WITH LEARNING
Definition of the word “Development” and it’s concept: – The term “Development” signifies the qualitative and quantitative changes taking place automatically of a growing individual. Development states the overall growth…
HUMAN HEALTH AND DISEASE (মানুহৰ স্বাস্থ্য আৰু ৰোগ): Class 12 Biology
Human Health And Disease (মানুহৰ স্বাস্থ্য আৰু ৰোগ): সুস্থ শৰীৰ আৰু সুস্থ মনৰ অৱস্থাক স্বাস্থ্য বোলে। একেদৰে দেহ আৰু মনৰ অস্বাভাৱিক অৱস্থাক ৰোগ বোলে। জীৱন জীয়াই থাকিবলৈ সুস্থ শৰীৰ আৰু…