Lysozyme is an . . . . . . agent.

Which type of disease easily spreads from one person to another?

What is the mechanism of action of antibiotics?

The chemicals which are "pro-life" with reference to human beings:

Which of the following can damage the plants?

$DPT$ vaccine doses are administered at specific intervals after birth. Identify the correct sequence for the $1^{st}$, $2^{nd}$, and $3^{rd}$ doses of $DPT$ from the following list:
$I$. $6 \; \text{weeks}$ after birth
$II$. $10 \; \text{weeks}$ after birth
$III$. $14 \; \text{weeks}$ after birth
$IV$. $24 \; \text{weeks}$ after birth
$V$. $29 \; \text{weeks}$ after birth