2716: Which one of the following is the national aquatic animal of India?
(a) Saltwater crocodile
(b) Olive ridley turtle
(c) Gangetic dolphin
(d) Gharial
2717: Which of the following pairs is/are incorrect?
I : Consumer Price Index - Inflation
II : Export concessions - Fiscal policy
III : Imposition of taxes - Economic planning
IV : Income - Standard of living
V : Deficit budgeting - Inflation
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(a) I and V
(b) II and III
(c) III and V
(d) None of (a), (b) and (c) is a correct answer
2718: Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?
(a) 1.8 km, 0.15 km
(b) 2.2 km, 0.20 km
(c) 2.8 km, 0.25 km
(d) 3.3 km 0.3 km
2719: With reference to soil conservation, consider the following practices :
1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India ?
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
2720: Under the Permanent Settlement, 1793, the zamindars were required to issue pattas to the farmers which were not issued by many of the zamindars. The reason was
(a) the zamindars were trusted by the farmers
(b) there was no official check upon the zamindars
(c) it was the responsibility of the British Government
(d) the farmers were not interested in getting pattas