Characteristics that are transmitted from parents to offsprings during sexual reproduction show both similarities and variations with parents

All the living matter in a cell is called protoplasm

The organelles which provide energy for all the activities of a cell are mitochondria

Recycling of cardboard cartons can help in the conservation of forests

The indiscriminate killing of snakes can lead to loss in the production of food grains

Dodo is an extinct species of animals

Carbon dioxide is the main cause of global warming

Petroleum is usually referred to as ‘black gold’

When a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. the vessel must be made of copper

Carbon elements will produce an oxide that will dissolve in water to form an acid