431: Three of the following criteria have contributed to the recognition of western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity:

1. Species richness

2. Vegetation density

3. Endemism.

4. Ethno-botanical importance

5. Threat perception

6. Adaptation of flora and fauna to warm arid humid conditions

Which three of the above are correct criteria in this context?

(a) 1, 3 and 5
(b) 3, 4 and 6
(c) 1, 2 and 6
(d) 2, 4 and 6
432: Regarding the atom of a chemical element, the magnetic quantum number refers to

(a) orientation

(b) shape

(c) size

(d) spin
433: Matriarchical system obtains among the

(a) Nagas, Nairs and Meenas

(b) Nairs and Khasis

(c) Bhils, Nairs and Khasis

(d) Nagas and Khasis
434: Who among the following rejected the title of Knighthood and refused to accept a position in the Council of the Secretary of State for India ?

(a) G. K. Gokhale

(b) B. G. Tilak

(c) Motilal Nehru

(d) M. G. Ranade
435: Mouse is to cat as fly is to
(a) rat
(b) animal
(c) spider
(d) horse