Development Of Writing

Before You Read|Kingdoms & Languages|Archaelogical Excavations|Why Mesopotamia was important to Europeans?|Mesopotamia and its Geography|The Significance of Urbanism|The Warka Head|Movement of good into cities|The development of Writing|The system of Writ

Write short notes on : Development of human embryo up to 3 germ layers

Write the reaction between silver bromide and hypo in the development of photographic film.

Write short notes on drought-prone area programme. How does this programme help in the development of dryland agriculture in India?

Development of Bt cotton has reduced the use of insecticides. Justify.Write a note on gene therapy.

Define immunity. Describe different ways to develop immunity. Write two differences between active and passive immunity.

Define immunity. Describe different ways to develop immunity. Write two differences between active and passive immunity.