4456: 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
4457: Less dew is formed on cloudy nights because:
(a) Clouds absorb the falling dew
(b) Clouds scatter moisture
(c) In cloudy nights the radiation takes place very slowly
(d) In cloudy nights the radiation takes place very quickly
4458: The Ninth Schedule was introduced in the Constitution of India during the prime ministership of
(a) Jawaharlal Nehru
(b) Lal Bahadur Shastri
(c) Indira Gandhi
(d) Morarji Desai
4459: The main function of the National Development Council is:
(a) To promote national integration
(b) To develop villages
(c) To review the working of the National Plan from time to time
(d) None of the above
4460: Among the following, which one is the largest exporter of rice in the world in the last five years?
(a) China
(b) India
(c) Myanmar
(d) Vietnam