1796: Consider the following statements :
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
1797: Consider the following statements:
1. Agricultural soils release nitrogen oxides into environment.
2. Cattle release ammonia into environment.
3. Poultry industry releases reactive nitrogen compounds environment.
Which of the statements given above is/arc correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
1798: The most preferential poultry feed is:
(a) Maize
(b) Barley
(c) Wheat
(d) Rice husk
1799: Which one of the following is a Vedanga?
(a) Sruti
(b) Smriti
(c) Nirukta
(d) Samhita
1800: The term apabhramsa was used in medieval Sanskrit texts to denote
(a) outcastes among the Rajputs
(b) deviations from Vedic rituals
(c) early forms of some of the modern Indian languages
(d) non-Sanskrit verse metres