Let us look at the timeline of the major events in the Indian National Movement:
- Champaran Satyagraha (1917): Gandhi's first civil disobedience movement.
- Jallianwala Bagh Massacre (1919): A brutal incident in Amritsar led by General Dyer.
- Peasant Movement in Bardoli (1928): Led by Sardar Vallabhbhai Patel in Gujarat.
- Second Round Table Conference (1931): Attended by Mahatma Gandhi in London.
Thus, the correct chronological order is: Champaran Satyagraha → Jallianwala Bagh Massacre → Bardoli Movement → Second Round Table Conference.

Student to attempt either option-(A) or (B):
(A) Write the features a molecule should have to act as a genetic material. In the light of the above features, evaluate and justify the suitability of the molecule that is preferred as an ideal genetic material.
OR
(B) Differentiate between the following: