Q. Which one of the following seas has the highest salinity?
1) Red Sea
2) North Sea
3) Arabian Sea
4) Mediterranean Sea
Q. Who regulates the market of Agricultural Products in India?
1) Essential Commodities Act,1955
2) Agricultural Produce Market Committee Act enacted by States
3) Agricultural Produce (Grading and Marketing) Act, 1937
4) Food Products Order, 1956
Q. Human Development Index is a composite index of which of the following?
1) Nutritional status, quality of life and per capita GDP
2) Poverty, life expectancy and educational attainment
3) Life expectancy, educational attainment and per capita income
4) Inflation, Unemployment and per capital GDP
Q. Liquid nitrogen can be used as -
1) Coolant for computers
2) Method for instantly freezing food and drinks
3) cryopreservation of biological samples
4) All of the above
Q. The nitrogenous waste-uric acid is excreted out by -
1) Human
2) Birds
3) Lizards
4) Birds and Lizards both
Q. A diode can be used to -
1) Amplify electrical signal
2) Convert alternating current to direct current
3) Produce electrical signal
4) Produce gamma rays
Q. Which of the following is a volatile organic compound?
1) Acetaldehyde
2) Sulphuric Acid
3) Hydrochloric Acid
4) Both (1) and (2)
Q. Which of the following gases leaked during the Bhopal gas tragedy?
1) Methyl isocyanide
2) Methyl isocyanate
3) Ethyl isocyanide
4) Ethyl isocyanate
Q. The main cause of algal blooming in an aquatic ecosystem is -
1) Global warming
2) Salination
3) Eutrophication
4) Bio-magnification
Q. In curd, which bacteria are found in abundance?
1) Salmonella sps.
2) Lactobacillus sps.
3) E. coli
4) All of these
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