816: 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
817: Consider the following statements :
1. Kyoto Protocol came into force in the year 2005
2. Kyoto Protocol deals primarily with the depletion of the Ozone layer.
3. Methane as a greenhouse gas is more harmful than carbon dioxide
Which of the statements given above is/are correct?
(a) 1 Only
(b) 1 and 2
(c) 1 and 3
(d) 3 Only
818: Neem tree has acquired industrial importance as a source of
(a) biopesticide and anti-fertility compound
(b) anti-fertility compound, biofertilizer and anti-cancer drug
(c) biofertilizer, biopesticide and anti- fertility compound
(d) anti-cancer drug, biopesticide and biofertilizer
819: Strips of two metals A and B are firmly joined together as shown in the figure.
820: With reference to Balance of Payments, which of the following constitutes / constitute the Current Account?
1. Balance of trade
2. Foreign assets
3. Balance of invisibles
4. Special Drawing Rights
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 4