The enlargement of the spleen during malaria is caused by:

Read the following statements carefully and determine how many of them are correct.
$(1)$ Acquired immunity is characterized by memory.
$(2)$ The response provided by antibodies is $C.M.I.$
$(3)$ An exaggerated response of the immune system to certain antigens present in the environment is called allergy.
$(4)$ Innate immunity is antibody-dependent.
$(5)$ Dengue is a bacterial disease.

Which of the following statements is false?

What can be diagnosed by the $ELISA$ test?

The following table shows certain diseases, their causative organisms, and symptoms. Fill in the gaps $(a)$ to $(f)$.

Name of the Disease	Causative organism	Symptoms
Ascariasis	Ascaris	$(a)$
$(b)$	Trichophyton	Appearance of dry, scaly lesions on various parts of the body.
Typhoid	$(c)$	High fever, weakness, headache, stomach pain, constipation.
Pneumonia	Streptococcus pneumoniae	$(d)$
$(e)$	Rhino viruses	Nasal congestion and discharge, sore throat, cough, headache.
Filariasis	$(f)$	Inflammation in lower limbs.

The main reason why antibiotics could not solve all the problems of bacteria-mediated diseases is: