481: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction
482: Which of the following statements is/are true of the Fundamental Duties of an Indian citizen?
1. A legislative process has been provided to enforce these duties.
2. They are correlative to legal duties.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
483: Who among the following was/were associated with the introduction of Ryotwari Settlement in India during the British rule?
1. Lord Cornwallis
2. Alexander Reed
3. Thomas Munro
Select the correct answer using the code given below:
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
484: Building Kalyaana Mandapas was a notable feature in the temple construction in the kingdom of
(a) Chalukya
(b) Chandela
(c) Rashtrakuta
(d) Vijayanagara
485: Match rivers labelled A, B, C and D on the given map with their names given in the list and select the correct answer using the codes given below the list:
List I
1. St. Lawrence
2. Orinoco
3. Mackenzie
4. Amazon
5. Yukon
Codes:
(a) A-4, B-3, C-2, D-1
(b) A-5, B-3, C-1, D-2
(c) A-5, B-4, C-1, D-3
(d) A-3, B-1, C-4, D-2