Match List-I with List-II and select the correct answer using the code given below the Lists

(Sphere of the earth) | (Main constituent of the sphere)
A. Lithosphere | 1. Living objects&*8195;
B. Hydrosphere | 2. Mixture of gases
C. Atmosphere | 3. Water
D. Biosphere | 4. soil

This question from the UPSC Prelims 2010 matches prominent leaders of the Indian National Movement with their respective organizations or roles. (A) Shyamji Krishna Varma founded the India House in London in 1905 to promote nationalist views among Indian students. (B) Madame Bhikaji Cama is famously associated with the revolutionary movement abroad and unfurled the first Indian National Flag at the International Socialist Conference in Stuttgart, Germany, in 1907. (C) Annie Besant, a leader of the Theosophical Society, launched the Home Rule Movement in 1916 to demand self-government for India. (D) Aurobindo Ghosh was a key figure in the extremist wing of the Indian National Congress and later became a spiritual leader, but he is primarily associated with the revolutionary and extremist phases of the freedom struggle. Matching these pairs (A-4, B-3, C-2, D-1) leads to Option 4.