526: The trees of spruce, fir, pine, etc. are found in which of the following natural regions of the earth?

(a) Laurentian type

(b) Alpine type

(c) Taiga type

(d) Siberian type
527: Chapchar Kut is a festival celebrated in the state of

(a) Arunachal Pradesh

(b) Assam

(c) Mizoram

(d) Sikkim
528: Who of the following is the author of a collection of poems called 'Golden Threshold"?

(a) Aruna Asaf ali
(b) Vijayalakshmi Pandit
(c) Annie Besant
(d) Sarojini Naidu
529: Which one of the following plants can fix nitrogen from air?

(a) Rice

(b) Wheat

(c) Pea

(d) Maize
530: Which of the following pairs is/are correctly matched?

1. Francis Collins : Mapping human genome

2. Sergey Brin : Google Search Engine

3. Jimmy Wales : Wikipedia

(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3