66: The Vitamin containing cobalt is
(a) B1
(b) B2
(c) B6
(d) B12
67: The succession of Delhi Sultans to the throne was generally:
(a) Hereditary
(b) After fight between brothers
(c) By killing the father
(d) Invasion
68: A girl is swinging on a swing in sitting position. When the same girl stands up, the period of swing will
(a) be shorter
(b) be longer
(c) depend on the height of the girl
(d) not change
69: Which of the following introduced a measure of provincial autonomy?
(a) Minto-Morley reforms
(b) Montague-Chelmsford reforms
(c) Cripps Mission
(d) Government of India Act, 1935
70: The country scene is one of desolation, with dry, deep and narrow gullies. There is little vegetation and that too thorny shrub variety. Human settlements are scarce. The scene may belong to:
(a) West Rajasthan
(b) Bundelkhand region
(c) Malwa region
(d) Chambal valley