2711: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction
2712: Param Padma, which was in the news recently, is:
(a) A new Civilian Award instituted by the Government of India
(b) The name of a supercomputer developed by India
(c) The name given to a proposed network of canals linking northern and southern rivers of India
(d) A software programme to facilitate e-governance in Madhya Pradesh
2713: When Leander Paes won the "mixed doubles" at the US Open in the year 2008, who of the following was his partner?
(A) Ana Ivanovic
(B) Dinara Safina
(C) Cara Black
(D) Jelena Jankovic
2714: Dehydration in the human body results due to loss of:
(a) Salts
(b) Water
(c) Vitamins
(d) Hormones
2715: There are mice in the field which act as prey to snakes. Hawks eat the snakes. Some dogs are brought into the field ? What will be its effect?
(a) Mice will decrease
(b) Hawks will decrease
(c) Snakes will increase
(d) Mice and snakes will decrease