416: Heat from the sun is received by the earth through:

(a) Conduction

(b) Convection

(c) Radiation

(d) None of the above
417: The next pair of letters in the series AZ, CX, FU, ...... is
(a) JQ
(b) KP
(c) IR
(d) IV
418: What is basic to religion ?

(a) Idol worship

(b) Belief in the supernatural element

(c) Priesthood

(d) Life after death
419: Biodiversity forms the basis for human existence in the following ways:

1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
420: Match List-1 with List-II and select the correct, answer using the code given below the lists :

List-I

A. E.C.G. Sudarshan
B. V. Shanta
C. T.N. Krishnan
D. Mahesh Dattani

List-II

1. Theatre
2. Violin
3. Research in Physics
4. Cancer treatment
5. Water-harvesting

(A) 2 4 5 1
(B) 3 1 2 4
(C) 3 4 2 1
(D) 2 1 5 4