2071: Which of the following rivers is the source of water for the Rajasthan canal?
(a) Yamuna
(b) Chambal
(c) Sutlej
(d) Ghaggar
2072: Out of the four southern States : Andhra Pradesh, Karnataka, Kerala and Tamil Nadu, which shares boundaries with the maximum number of Indian States ?
(a) Andhra Pradesh only
(b) Karnataka only
(c) Each of Andhra Pradesh and Karnataka
(d) Each of Tamil Nadu and Kerala
2073: With reference to Indian defence, which one of the following statements is not correct?
(a) With the induction of Prithvi II, the IAF is the only airforce in the world with surface-to-surface ballistic missiles under its command
(b) Sukhoi-30 MKI jet fighters can launch air-to-air and air-to-surface precision missiles
(c) Trishul is a supersonic surface to-air missile-vith a range of 30 km
(d) The indigenously built INS Prabal can launch surface-to-surface missiles
2074: Which one of the following is useful for biological control of pests?
(a) Honey bees and locusts
(b) Scorpions and spiders
(c) Wasps and birds
(d) Parrots and kites
2075: Arteries supplying blood to the heart are called
(a) carotid arteries
(b) hepatic arteries
(c) coronary arteries
(d) pulmonary arteries