2931: If all the numbers from 501 to 700 are written, what is the total number of times does the digit 6 appear ?
(A) 141
(B) 138
(C) 140
(D) 139
2932: Mouth and foot diseases in cattle are caused due to:
(a) Bacteria
(b) Virus
(c) Fungi
(d) Penicillium
2933: The growth of seedling plants after transplantation will not always be proper because:
(a) New soil may not contain the required minerals
(b) During transplantation root hairs get damaged
(c) Roots cannot penetrate deep into the soil
(d) Of all factors stated above
2934: Consider the following pairs:
1. Nokrek Bio-Sphere Reserve : Garo Hills
2. Logtak (Loktak) Lake : Barail Range
3. Namdapha National Park : Dafla Hills
Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None
2935: King Cobra is the only snake that makes its own nest. Why does it make its nest?
(a) It is a snake-eater and the nest helps attract other snakes
(b) It is a viviparous snake and needs a nest to give birth to its offspring
(c) It is an oviparous snake and lays its eggs in the nest and guards the nest until they are hatched
(d) It is a large, cold blooded animal and needs a nest to hibernate in the cold season