2536: Which one of the following is the correct chronological order of the formation as full States of the Indian Union ?

(a) Sikkim-Arunachal Pradesh-Nagaland-Haryana

(b) Nagaland-Haryana-Sikkim-Arunachal Pradesh

(c) Sikkim-Haryana-Nagaland-Arunachal Pradesh

(d) Nagaland-Arunachal Pradesh-Sikkim-Haryana
2537: Consider the following pairs:

Tributary River : Main River

1. Chambal : Narmada

2. Sone : Yamuna

3. Manas : Brahmaputra

Which of the pairs given above is/are correctly matched?

(a) 1 and 2 only

(b) 3 only

(c) 2 and 3 only

(d) 1, 2 and 3
2538: In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?

(a) Biosphere Reserves

(b) National Parks

(c) Wetlands declared under Ramsar Convention

(d) Wildlife Sanctuaries
2539: A and B are two fixed points in a field. A cyclist C moves such that ACB is always a right angle. In this context, which one of the following statements is correct?

(a) The path followed by the cyclist is an ellipse

(b) The path followed by the cyclist is a circle

(c) The path followed by the cyclist is an exponential curve

(d) This type of motion is not possible
2540: A cube with all the sides painted was divided into small cubes of equal measurement. The side of a small cube is exactly one fourth as that of the big cube. Therefore, the number of small cubes with only one side painted is:

(a) 64

(b) 36

(c) 24

(d) 12