The first transgenic plant produced was 1) Maize 2) Rice 3) Tobacco 4) Cotton

Which of the following causes Polio disease ? 1) Bacteria 2) Virus 3) Fungus 4) Parasite

In curd, which bacteria are found in abundance ? 1) Salmonella sps. 2) Lactobacillus sps. 3) E. coli 4) All of these

Formation of hole in Ozone layer is maximum over which place ? 1) India 2) Africa 3) Europe 4) Antarctica

Which of the following gas is considered responsible for damage to the Taj Mahal at Agra ? 1) Sulphur dioxide 2) Chlorine 3) Fluorine 4) Carbon fluoride

Which of the following atmospheric layers is nearest to the earth ? 1) Troposphere 2) Exosphere 3) Stratosphere 4) Thermosphere

Among the following, which is the most common form of glass ? 1) Pyrex glass 2) Soda glass 3) Optical glass 4) Hard glass

Palaeoclimatic studies are done by studying 1) Tree rings 2) Ice cores 3) Lacustrine deposits 4) All of these

Which scientist used the term ‘Ecology’ – for the first time ? 1) Charles Elton 2) Arthur Tansley 3) Eugene Odum 4) Ernst Haeckel

Which of the following gas leaked during Bhopal gas tragedy ? 1) Methyl isocyanide 2) Methyl isocyanate 3) Ethyl isocyanide 4) Ethyl isocyanate