Diversity in Living Organisms Class 9 Notes Science
Diversity means = variety. Different places on the earth have their own typical kinds of living beings.
Biology
Tissues Class 9 Notes for Science Chapter 6
“Tissues are composed of similar types of cells that work in a coordinated fashion to perform a common task, and the study of the tissue level of biological organization is histology”.
Natural Resources Class 9 CBSE Notes Chapter 14
This includes all the types of plants, animals and micro-organisms present in an ecosystem. The interaction between the different organisms affects each other in different ways.
Management of Natural Resources Notes Class 10 Biology
The multicrore Ganga Action Plan started in 1985 to improve the quality of water in the Ganga.
Our Environment Class 10 Notes Science
Ecology is the branch of biology that deals with the interrelationship amongst organisms and interaction between organisms and their environment.
Heredity and Evolution Class 10 Notes CBSE Science
Reproduction is one of the basic characteristic of life. Every organism reproduces either asexually or sexually to give birth to offspring
How do Organisms Reproduce Class 10 Notes CBSE Science
The continuity of life on earth, from its origin to the present day, has been possible only because of reproduction.
Control and Coordination Class 10 Notes Science
The changes in the environment (or environmental factors) to which the organisms respond and react are called stimuli (singular : stimulus).
Life Processes Class 10 CBSE Notes Biology
The process of removal of non-gaseous nitrogenous wastes like ammonia, urea, uric acid etc. along with excess of water, salts and pigments out of body, is called excretion.
Transportation in Plants Notes Class 10 CBSE
In large multicellular organisms, diffusion alone cannot serve the needs of all the cells in the body.