Identify the mosquito that is currently widely found as a disease vector in India.

Select the correct pairs of diseases and their respective symptoms.
$i$. Elephantiasis - swollen limbs especially legs, enlargement of lymph vessels and lymph nodes.
$ii$. Malaria - Infected skin which shows enlarged red rings, nails become thick, discoloured and disfigured.
$iii$. Dermatophytosis - Cyclic high fever followed by sweating and sudden shivering every two days or three days.
$iv$. Pneumonia - Dyspnea, cough produces yellow or greenish sputum or phlegm.
Choose the correct option.

What are lifestyle diseases? How are they caused? Name any two such diseases.

Choose the correct statement $-$

Read the statements carefully and determine how many statements provide correct information.
$(1)$ In innate immunity,the cellular barrier is represented by four main types of cells.
$(2)$ The $BCG$ vaccine contains live attenuated Mycobacterium.
$(3)$ In $G-6-P$ dehydrogenase deficiency,$RBCs$ start to disintegrate (hemolysis).
$(4)$ Nicotine stimulates the adrenal gland.

Pests resistant to insecticides have: