Differentiate between the diseases-night blindness and colour blindness.

A list of disorders are given below. Pick out the odd one out and give reasons.

(Thalassemia, haemophilia, night blindness, albinism, sickle cell anaemia)

What are the symptoms of common cold?

i) ____________________

ii) ____________________

After observing dark patches with itching sensation on the skin of a student in a school hostel, the warden advises his roommates not to share towels, clothes and combs among themselves. Name the disease the student is suffering from and name the causative organisms.

Name the vector host of the malarial parasite. Mention the species of malarial parasite which causes malignant and fatal malaria.