The vast proportion of our body’s weight is made up of:
Milk tastes sour when kept in the open for sometime due to the formation of:
The widely used antibiotic, penicillin, is produced by:
The colour of cow’s milk is slightly yellowish due to the presence of
Soil nature is drastically altered by the application of:
Plant mushroom gets its food from:
Which compound is added to petrol to prevent engines from ‘knocking’ ?
The Khetri Project in Rajasthan is famous for the production of
The law of gravitation was discovered by:
The best conductor of electricity is :
When ice melts. its volume:
Three primary colours of light are :
Red Blood Cells ( RBC) are formed in :
Spring balance is used to measure
'Universal donor' in blood transfusion belongs to the blood group: