Small Choices Makes Life ! #shorts Billion Dreams status

Which of the following is the most appropriate choice as transgenic animal due to its short generation time?

Enzymes make life possible'. Comment on this statement.

Name the alloy used for (i) decoration purposes (ii) Making statues (iii) making gears and bearings (iv) welding electrical wires (v) Making printing types

Staements I: To determine the age of certain very old oragnic samples, dating of the sample with radioactive isotpes having larger half-life is a better choice than with radioactive isotopes having smaller half-lives. Staements II: The activity of a radioactive sample having smaller half-life is negligibly small after a very long time and hence makes it next to impossible to get dtected.

If we make small holes in a magnet, then what will be the effect on its magnetic moment?