4581: With which one of the following rivers is the Omkareshwar Project associated?
(a) Tapi
(b) Bhima
(c) Narmada
(d) Chambal
4582: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
4583: Brahmo Samaj was founded by:
(a) Raja Ram Mohan Roy
(b) David Hare
(c) Derozio
(d) Alexander
4584: A great landslide caused by an earthquake killed hundreds of people in January 2001 near
(a) San Salvador
(b) San Jose
(c) Managua
(d) Guatemala City
4585: Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
1. Pollination of some plants could be adversely affected.
2. There could be a drastic increase in the fungal infections of some cultivated plants.
3. It could lead to a fall in the population of some species of wasps, spiders and birds.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3