486: Deforestation results in:

(1) Flora destruction

(2) Fauna destruction

(3) Ecological disbalance

(a) 1, 2 & 3

(b) 1 & 2

(c) 1 & 3

(d) 2 & 3
487: The physical regions marked as 1, 2, 3 and 4 on the given map are respectively


(a) Andes, Brazilian Shield, Guyana Highlands and Amazon Basin
(b) Andes, Guyana Highlands, Brazilian Shield and Amazon Basin
(c) Amazon Basin, Guyana Highlands, Brazilian Shield and Andes
(d) Guyana Highlands, Brazilian Shield, Andes and Amazon Basin
488: The temperature for pasteurisation of milk is selected so as to:

(a) Kill the micro organisms

(b) Kill all bacteria

(c) Store it for long time without coagulation

(d) Kill the micro organisms and other harmful bacteria
489: Which of the following is the correct sequence in the descending order of precedence in the warrant of precedence?

(a) Attorney General of India-Judges of the supreme Court - Members of Parliament-Deputy Chairman of Rajya Sabha

(b) Judges of the Supreme Court-Deputy Chairman of Rajya Sabha-Attorney General of India-Members of Parliament

(c) Attorney General of India-Deputy Chairman of Rajya Sabha-Judges of the Supreme Court-Members of Parliament

(d) Judges of the Supreme Court-Attorney General of India-Deputy Chairman of Rajya Sabha- Members of Parliament
490: Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?

1. Construction of dams and barrages on rivers.
2. Increase in the population of crocodiles in rivers.
3. Getting trapped in fishing nets accidentally.
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.

Select the correct answer using the code given below :

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4