The rockey material found with ores is known as…………….

Fill ups The process involvd in the production of a metal from the ore are collectively known as……………… .

Fill in the blank Species found only in a particular area is known as …………

Fill ups Male and female flowers are found on same plant. This condition is known as………. .it shows …………..type of pollination which occur between these two flowers of the same plant.

Match the metal in Column I with the ores in Column II

If a magnetic material, moves form stronger to weaker parts of a magnetic field, then it is known as

Mitochondia and plastide have their own DNA (genetic material). What is known about their fate during nuclear division like mitosis?

Which of the following is the ore of zinc?

A certain radioactive material is known to decay at a rate proportional to the amount present. Initially there is 50 kg of the material present and after 2h it is observed that the material has lost 10% of its original mass. Based on these data answer the following questions. The time at which the material has decayed to one half of its initial mass is