2546: Which one of the following was the venue for the preliminary talks between the Sri Lankan Government and representatives of Tamil United Liberation Front and other militant groups ?

(a) New Delhi
(b) Colombo
(c) Zirconiun
(d) Chennai
2547: Which of the following are regarded as the main features of the "Rule of Law" ?

1. Limitation of powers
2. Equality before law
3. People's responsibility to the Government
4. Liberty and civil rights

Select the correct answer using the code given below :
(a) 1 and 3 only
(b) 2 and 4 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
2548: The rainbow and the rainbow-like colours seen on a thin film of oil on a water surface are two phenomena. They are
(a) Similar in nature and both are due to refraction of light
(b) Different in nature and rainbow is due to interference of light, while colour of thin film is due to diffraction
(c) Similar in nature and both are due to interference of light
(d) Different in nature and rainbow is due to refraction, while colour of thin film is due to interference of light
2549: A point is selected at random inside a rectangle and perpendiculars are drawn on each side from the point. The sum of these perpendiculars is 24 cm. If the length of the rectangle is 3 times the width, the perimeter of the rectangle will be

(a) 36 cm

(b) 42 cm

(c) 24 cm

(d) 48 cm
2550: 'RNA interference (RNAi)' technology has gained popularity in the last few years. Why?

1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for the treatment of cancer.
3. It can be used to develop hormone replacement therapies.
3. It can be used to produce crop plants that are resistant to viral pathogens.

Select the correct answer using the code given below.

(a) 1, 2 and 4

(b) 2 and 3

(c) 1 and 3

(d) 1 and 4 only