Question : Which of the following is the study of soil?

Option 1: Myrmecology

Option 2: Pedology

Option 3: Glaciology

Option 4: Cosmology

Question : What is the ratio of inradius and circumradius of an equilateral triangle?

Option 1: 1 : 2

Option 2: 1 : 3

Option 3: 1 : 4

Option 4: 3 : 2

Question : What is the valency of Boron?

Option 1: 2

Option 2: 3

Option 3: 4

Option 4: 1

Question : What is the simplified value of $(3+1)(3^{2}+1)(3^{4}+1)(3^{8}+1)(3^{16}+1)$?

Option 1: $\frac{(3^{32}-1)}{2}$

Option 2: $\frac{(3^{16}-1)}{2}$

Option 3: $\frac{(3^{64}-1)}{2}$

Option 4: $\frac{(3^{128}-1)}{2}$

Question : Cryogenics is:

Option 1: a scientific study of dust 

Option 2: study of heat

Option 3: scientific study of very low temperatures

Option 4: study of genesis