Consider the following statements:

1. Gandhiji’s launched the Rowlatt Satyagraha in 1919 because of the British measures to impose censorship on the Press.
2. Gandhiji launched the Rowlatt Satyagraha because of the British policy of permitted detention without trial.
3. The Rowlatt Act was restricted to Bombay and Madras presidency.
4. The agitation against the Rowlatt Act reached climax with the Jallianwala Bagh Massacre in Amritsar.

Which of the statements given above is/are correct?

Consider the following statements:

1. Gandhiji’s Salt Satyagraha in 1930 was against the State monopoly of the manufacture and sale of salt.
2. The American news magazine Time covered the progress of Gandhiji’s walk to Dandi on the Salt Satyagraha.
3. The Viceroy of India at the time of the Salt Satyagraha was Lord Ripon.
4. Gandhiji did not complete the Dandi March due to ill-health.

Consider the following statements:

1. The Ain-i-Akbari is the third book in the Akbarnama written during the reign of the Mughal Emperor Akbar.
2. Abul Fazl was the author of the first two books of the Akbarnama while Akbar was the author of the third.
3. The best known accounts of illustrated Mughal official reports are the Akbarnama and Babarnama.

Which of the statements given above is/are correct?

The greatest seasonal contrast of insolation on the earth is in which of the following latitudinal zones?

Sun emits energy in the form of electromagnetic radiation. The following help in the generation of solar energy. Arrange them in the right sequence beginning from the starting of the cycle:

1. Hydrogen is converted to helium at very high temperatures and pressures.
2. The energy finds its way to sun’s surface.
3. A vast quantity of energy is generated by nuclear fusion.

Select the correct answer using the code given below :

Radioactive decay provides an internal source of heat for the earth. This helps in the formation of which type of rocks?