nervous system of man
global environmental change
elements of weather and climate : temperature
photosynthesis in higher plants
balanced diet and malnutrition
applications of biotechnology
introduction to social movements and its types
work, energy and power
the united nations (u.n.)
waves
environmental conservation and biodiversity
modes of reproduction
objectives of economic planning in india
international institutions
government budget and economy
internal structure of root, stem and leaf
social movements
force and newton's laws of motion
liquidity preference and profit
biotechnology and its applications
india's contemporary economic condition
digestion and absorption
natural resources- air, water and land
secondary sector : industry
the origin of cells and cell division
physical properties of metals and non-metals
control and coordination in living organisms
basics of metallurgy
human geography in tamil nadu
in the land of kerala