Questions

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

Atoms of the same element can have same atomic number and number of electrons since, the atomic number is the number of protons and the number of protons and eectrons are the same in an element.

Hence, the atoms of the same element may differ in their atomic mass since it depends on the number of neutrons it holds and such atoms are called isotopes.

The short and swift streams running down the Scandinavian mountains have been harnessed for power which also compensates for the absence of coal and oil.

Lewis Hamilton of Mercedes won the Hungarian Grand Prix for the 6th time, at the Hungaroring circuit, in Hungary.

This is the 67th career victory for Lewis Hamilton.

Ranjit Hoskote

The term for classifying and grouping organisms is Taxonomy. It is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

Oxygen released during photosynthesis comes from splitting of water.