461: In India, which one of the following States has the largest inland saline wetland?
(a) Rajasthan
(b) Madhya Pradesh
(c) Gujarat
(d) Haryana
Explanation:
Located in the arid Zone of Rajasthan, the sambhar Lake is one of the Largest inland saline lakes in India, This wetland in one of the Most important wintering areas for flamingoes and pelicans. Selt extraction is one of the major activities in the wetland.
462: Which of the following substances are found in the beach sands of many parts of Kerala?
1. Ilmenite
2. Zircon
3. Silimanite
4. Tungsten
Select the correct answer using the code given below :
(a) 1, 2, 3 and 4
(b) 1, 2 and 3
(c) 3 and 4 only
(d) 1 and 2 only
463: Recently, linking of which of the following rivers was undertaken?
(a) Cauvery and Tungabhadra
(b) Godavari and Krishna
(c) Mahanadi and Sone
(d) Narmada and Tapti
464: Which of the following statements about 'Dinosaurs' is/are correct?
(a) The early man was a contemporary of Dinosaurs
(b) Man appeared first after the Dinosaurs became extinct
(c) The Dinosaurs became extinct about six million years before the appearance of the first man on the earth
(d) The Dinosaurs became extinct about 200 million years before the first man appeared on the earth
465: Consider the following crops of India :
1. Cowpea
2. Green gram
3. Pigeon pea
Which of the above is/are used as pulse, fodder and green manure?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
Cowpea is Lobia(in Hindi)
Green gram is Mung dal (in Hindi)
Pigeon pea is arahara dal (in Hindi)
All three are used as pulse, fodder and green manure.