1886: In India, rural incomes are generally lower than the urban incomes. Which of the following reasons account for this ?
I. A large number of farmers are illiterate and know little about scientific agriculture.
II. Prices of primary products are lower than those of manufactured products.
III. Investment in agriculture has been low when compared to investment in industry.
Select the correct answer by using the codes given below :
Codes :
(a) I, II and III
(b) I and II
(c) I and III
(d) II and III
1887: The drugs "caffeine, tannin and nicotine" are:
(a) Steroids
(b) Cortisones
(c) Alkaloids
(d) Mild alkalis
1888: Ebraham Alkazi is an eminent personality in which one of the following areas?
(a) Heart surgery
(b) Transport engineering
(c) Theatre training
(d) Civil aviation
1889: If the product of two numbers is 320 and their ratio is 1 : 5, what is the difference between the squares of these two numbers ?
(a) 1024
(b) 1365
(c) 1536
(d) 1635
1890: Salts of which of the following elements provide colours to fireworks?
(a) Zinc and sulphur
(b) Potassium and mercury
(c) Strontium and barium
(d) Chromium and nickel