Describe the symptoms, mode of transmission and nature of Diarrhoea, Dengue, Hepatitis A,B and Diphtheria.

Write three main symptoms of Hepatitis B.

A particle carrying charge q enters a uniform magnetic field vecB with velocity vecv . Discuss the nature of the path described by the particle in each of the following cases, when vec v and vec B are are inclined at any angle.

A particle carrying charge q enters a uniform magnetic field vecB with velocity vecv . Discuss the nature of the path described by the particle in each of the following cases, when vec v and vec B are parallel to each other,

Name the causal organism of Ascariasis. Describe its mode of transmission.

Match each of the set on the left in the roster form with the same set on the right described in set-builder form: (i) {1, 2, 3, 6} (a) {x : x is a prime number and a divisor of 6} (ii) {2, 3} (b) {x : x is an odd natural number less than 10} (iii) {M,A,T,H,E,I,C,S} (c) {x : x is natural number and divisor of 6} (iv) {1, 3, 5, 7, 9} (d) {x : x is a letter of the word MATHEMATICS}.