Chemical compounds produced by host plants to protect themselves against fungal infections are known as ........ .

The treatment of these diseases has become possible due to antibiotics.

Edward Jenner in $1796$ produced the first vaccine against . . . . . . .

Which of the following characteristics can be included in a healthy person?

Which of the following three scientists were awarded the Nobel Prize in $1945$ for the discovery and development of penicillin?
$(i)$ Alexander Fleming
$(ii)$ Louis Pasteur
$(iii)$ Walther Flemming
$(iv)$ Ernst Chain
$(v)$ Howard Florey
$(vi)$ Oswald Avery

Match the following diseases with their causative organisms and select the correct option.

Column-$I$ (Disease)	Column-$II$ (Causative Organism)
$(a)$ Typhoid	$(i)$ Wuchereria
$(b)$ Pneumonia	$(ii)$ Plasmodium
$(c)$ Filariasis	$(iii)$ Salmonella
$(d)$ Malaria	$(iv)$ Haemophilus