206: Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
(a) barium allows X-rays to pass through the stomach on account of its transparency to X-rays
(b) barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
(c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture
(d) barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture
207: With reference to Simon Commission's recommendations, which one of the following statements is correct ?
(a) It recommended the replacement of diarchy with responsible government in the provinces
(b) It proposed the setting up of interprovincial council under the Home Department
(c) It suggested the abolition of bicameral legislature at the centre
(d) It recommended the creation of Indian Police Service with a provision for increased pay and allowances for British recruits as compared to Indian recruits
208: The yield versus fertilizer input is shown in the graph.
Consider the following statements based on this graph :
I. Yield rate is zero at B and C.
II. There is no yield with no fertilizer input.
III. The yield is minimum at D.
IV. The yield is neither minimum nor maximum at C.
Which of the above statements are correct ?
(a) I, II and IV
(b) III and IV
(c) II and III
(d) I, III and IV
209: Assertion (A):
Bangalore receives much higher average annual rainfall than that of Mangalore.
Reason (R):
Bangalore has the benefit of receiving rainfall both from south-west and north-east monsoons.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
210: Indus valley civilisation is also known as the Harappan culture because
(a) The site of Harappa is six times larger than Mohenjodaro site
(b) The Indus valley civilisation is considered the elementary/initial stage of the Vedic culture and Harappa is believed to be the same as Harappa mentioned in the Vedas
(c) Harappa was the first site to be excavated in the Indus valley
(d) The most important/significant evidence of the achievements of this civilisation have been excavated from Harappa