We commonly call $ATP$ as the energy currency of the cell. Can you think of some other energy carriers present in a cell? Name any two.

$A$ substance that prevents or delays oxidation is known as:

Identify the physical and chemical processes from the following:
$I - Ba(OH)_2 + H_2SO_4 \rightarrow BaSO_4 + 2H_2O$
$II -$ Ice $\rightarrow$ Water
$III -$ Water $\rightarrow$ Steam
$IV -$ Starch $\rightarrow$ Glucose
Which of these represent physical processes and chemical processes respectively?

Match the following structures with their names and select the correct option.

What type of bond exists between two water molecules?

Which of the following statements is $NOT$ true regarding biomolecules?