Questions

In what two ways electric generator differs from electric motor?

Differentiate between Archimedes' principle and law of floatation in two points.

Write the name of the blood vessels which carries blood from heart to lungs and lungs to heart.

Define monohybrid cross and phenotype.

What type of ore is concentrated by froth floatation method?

Write the molecular formula of compound formed by the elements on the basis of the atomic structure of the following elements given in the table?

Electricity supply in your house is of 220 V. You have two transformers one with more number of turns in primary coil than in secondary coil and another with less number of turns in primary coil than in secondary coil. Which transformer will you select to play a radio set that needs 12 V?

How do medicinal plants support to enhance the economy of the nation?

What change occurs in the gravitational force between two bodies when their masses are kept constant and the distance between their centres is reduced by 3 times?

Which gas is the main cause of climate change?