2951: Pearls are formed inside:
(a) Squids
(b) Snails
(c) Oysters
(d) Mollusks
2952: The maturity of a river course is recognised by the presence of
(a) V-shaped valley
(b) Meanders
(c) Gorges
(d) High denudational power
2953: Which one of the following is used as an explosive?
(a) Nitroglycerine
(b) Phosphorus trichloride
(c) Mercuric oxide
(d) Graphite
2954: Which one of the following is an active component of oil of clove ?
(a) Menthol
(b) Eugenol
(c) Methanol
(d) Benzaldehyde
2955: Which one of the following dances involves solo performance ?
(a) Bharatanatyam
(b) Kuchipudi
(c) Mohiniattam
(d) Odissi