General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part10 : 6 to 10

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :

6.Uncontrolled industrialisation leads to acid rain. It is mainly contributed by

carbon dioxide

methane gas

chlorofluoro carbons

nitrous and sulphur dioxide

7.Pollution consists of emission of : toxic gases like carbon dioxide, and others, release of toxic particles of lead, sulphur, and other compounds, dust and smoke haze; rise in temperatures to abnormal levels, etc. Forests and oceans counteract these effects by

absorbing sunlight

emitting counter-toxic materials

reacting with toxic gases producing acids

absorbing carbon dioxide and emitting oxygen and water vapour

8.Suppose in a balanced green forest, the number of tigers was doubled. This would gradually

decrease the biomass of herbivores

decrease the biomass of producers

increase primary carnivores

increase the biomass of herbivores

9.A scientist was treating pathogenic bacteria with different chemicals to see which of them would stop the activity of their ribosomes. Whihc one of the following processes is the target ?

DNA synthesis

Digestion of proteins

Protein synthesis

Production of ATP

10.Green house effect means

pollution in houses in tropical region

trapping of solar energy due to atmospheric carbon dioxide

prevention from ultra violet radiations by the ozone layer

None of these

More General Science QUESTIONS AND ANSWERS available in next pages