MOTION, POSITION, DISTANCE & DISPLACEMENT What do you mean by a body is at rest? A body is said to be at rest, if it does not change its…
9th CBSE Science – The Fundamental Unit of Life – Cell
CELL – FUNDAMENTAL UNIT OF LIFE CELL AND ITS DISCOVERY Define cell. (1 Mark) Cell is the basic structural and functional unit of life. In Latin cell means small compartments….
9th CBSE Science – Diversity in Living Oragnisms
WHAT IS THE BASIS OF CLASSIFICATION What is taxonomy? Who is known as the father of taxonomy? Define taxon. Taxonomy is a science ofnaming and arranging organisms into a classification…
9th CBSE Science – Tissues
TISSUE Name the branch of biology which deals with the study of tissues. (1 Mark) Histology What is tissue? (1 Mark) A group of cell performing similar function…
9th CBSE Science – Natural Resources
NATURAL RESOURCES What are the main resources on the Earth? The main resources on the Earth are the land, the water and the air. Describe the 4 spheres of the…
9th CBSE Science – Is matter around us pure?
IS MATTER AROUND US PURE? QUESTION ANSWERS Define matter? Anything which has mass and occupies space is called matter. It may be solid, liquid or gas. Matter is of 2 types…
9th CBSE Science – Why do we fall ill?
WHY DO WE FALL ILL? DISEASES Health is defined as a state of physical, mental and social well-being. A disease is an unhealthy condition caused by microorganisms, improper diet or it may be…
9th CBSE Science – Matter in our Surroundings
MATTER IN OUR SUROUNDINGS 1. What is matter? Anything which occupies space and has mass is called matter. In other words, anything which has mass and volume is called matter.For example:…