41. The outer Himalayas lie between

A. the lease Himalayas and the Indo Gangetic plain
B. the foothills and the Indo Gangetic plain
C. the greater Himalayas and the Lesser Himalayas
D. Indo-Gangetic plains and the peninsula

42. Which of the following geographical features have played a great unifying role in strengthening the forces of homogeneity of the Indian people?

I. The expanses of water surrounding the peninsula
II. The Himalayan Mountains
III. The vastness of the country
IV. The presence of the Indian Ocean

A. I
B. II
C. I and II
D. I, II, III and IV

43. Which of the following drainage systems fall into Bay of Bengal?

A. Ganga, Brahmaputra and Godavari
B. Mahanadi, Krishna and Cauvery
C. Luni, Narmada and Tapti
D. Both (a) and (b)

44. The oldest oil refinery in India is at

A. Digboi, Assam
B. Haldia, near Kolkata
C. Koyali, near Baroda
D. Noonmati, Assam

45. The oldest mountains in India are

A. Aravalis
B. Vindhyas
C. Satpura
D. Nilgiri hills