846: Blood grouping was discovered by:
(a) Landsteiner
(b) Robert Koch
(c) William Harvey
(d) Louis Pasteur
847: Consider the following statements :
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
848: Who among the following founded Ramakrishna Mission?
(a) Swami Dayanand Saraswati
(b) Raja Rammohan Roy
(c) Swami Vivekananda
(d) None of these
849: In the context of independent India's economy, which one of the following was the earliest event to take place?
(a) Nationalisation of Insurance companies
(b) Nationalisation of State Bank of India
(c) Enactment of Banking Regulation Act
(d) Introduction of First Five-Year Plan
850: Deficit Financing means:
(a) Difference of total expenditure and income by revenue from all sources
(b) Government spends in excess of revenues so that a budget deficit is incurred which is financed by the borrowings
(c) Difference in borrowing and external and internal resources
(d) Capital expenditure on items of public construction, public enterprises and public borrowings