4121: The Congress ministries resigned in the seven provinces in 1939, because
(a) the Congress could not form ministries in the other four provinces
(b) emergence of a left wing in the Congress made the working of the ministries impossible
(c) there were widespread communal disturbances in their provinces
(d) None of the statements (a), (b) and (c) given above is correct
4122: Antigen is a substance which
(a) lowers body temperature
(b) destroys harmful bacteria
(c) triggers the immune system
(d) is used as an antidote to poison
4123: Which of the following taxes is/are levied by the Union and collected and appropriated by the States ?
(a) Stamp Duties
(b) Passenger and Goods Tax
(c) Estate Duty
(d) Taxes on Newspapers
4124: Which of the following can be inferred from the statement that "Either John is stupid or John is lazy" ?
I. John is lazy / therefore, John is not stupid.
II. John is not lazy / therefore, John is stupid.
III. John is not stupid / therefore, John is lazy.
IV. John is stupid / therefore, John is not lazy.
Choose the correct answer from the codes given below :
Codes :
(a) I and II
(b) II and III
(c) III and IV
(d) I and IV
4125: The evidence for the rotation of stars comes mainly from the
(a) Doppler effect
(b) Photoelectric effect
(c) Stark effect
(d) Zeeman effect