Which of the following are correct about Indian Councils Act,1909?

1. Expansions of legislative councils
2. Introduction of separate and discriminatory electorate
3. Admission of two Indians to the councils of the Secretary of State
4. Admission of one Indian each to Executive Councils of the Governor General & Governors

  Select the correct option from codes given below:

Which among the following is closest to corals in terms of evolution of animals?

Consider the following statements:

1. Leukemia causes overproduction of white blood cells
2. Patients with leukemia are treated with chemotherapy

   Which of the above statements is/are correct?

United States and parts of Northern America are frequently hit by record snowfalls accompanied with blizzard and hurricane-force winds during winters. Which of the following is most probably responsible for the same?

Consider the following:

1. Forest Trees
2. Ocean
3. Soils

Which of the above serve as natural sink for Carbon?