1. If it is true that ‘all pollutants are harmful’, identify which of the following is invalid to infer from it? [UPSC CAPF 2011]

(a) Pollutants constitute a subset of harmful things
(b) No pollutants are non-harmful
(c) If anything is harmful, it is a pollutant
(d) Some pollutants are harmful

Show Answer
If anything is harmful, it is a pollutant 

2. Identify from the following a group of diseases caused by mosquitoes ?

(a) Malaria, Dengue, Cholera
(b) Malaria, Chikunguniya, Typhoid
(c) Malaria, Cholera, Typhoid
(d) Dengue Malaria, Chikunguniya

Show Answer
Dengue Malaria, Chikunguniya 

3. Natural gas is a mixture of gases and contains mainly ? [UPSC CAPF 2013]

(a) methane and higher hydrocarbons
(b) butane and isobutene
(c) Only methane
(d) methane, hydrogen and carbon monoxide

Show Answer
Methane and higher hydrocarbons 

4. Which one of the following diseases is caused by Cadmium pollution ?

(a) Minamata
(b) Itai-itai
(c) Fluorosis
(d) Blue Baby Syndrome

Show Answer
Itai-itai 

UPSC CSE Prelims

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TSPSC Group-2 Exam

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