3266: Which one of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?
(a) Chlorofluorocarbons
(b) Nitrous oxide
(c) Sulphur dioxide
(d) Carbon dioxide
3267: A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 metres ahead of the policeman, then the time required for the policeman to catch the thief will be
(a) 2 minutes
(b) 6 minutes
(c) 10 minutes
(d) 3 minutes
3268: With reference to India, which one the following statements is not correct?
(a) About one-third of the area of the country records more than 750 millimeters of annual rainfall
(b) The dominant source of irrigation in the country is wells
(c) Alluvial soil is the predominant type of soil in the northern plans of the country
(d) The mountain areas accounts for about thirty percent of the surface area of the country
3269: To obtain full benefits of demographic dividend, what should India do?
(a) Promoting skill development
(b) Introducing more social security schemes
(c) Reducing infant mortality rate
(d) Privatization of higher education
3270: Which of the following determines the protein quality of food?
(a) Protein amalgamation
(b) Fibre content
(c) Amino acids mixture
(d) Vegetable or animal origin