Which of the following statements is NOT correct regarding Directive Principles?

Consider the following statements:

1. The Krishna-Godavari Basin is the most affected area for arsenic contamination of Groundwater in India
2. Currently, laterite-based arsenic filters are mainly used for removal of arsenic from groundwater in India

Which of the above statements is/are correct?

Diabetes mellitus is associated with which of the following:
1. Too much insulin in the blood
2. Too high a blood glucose level
3. Blood that is too dilute
Select the correct option from the codes given below:

Consider the following comparisons of the Antigens and Antibody:
1.Antigen is generally protein, antibody is generally not protein
2.For a vaccine to work, it needs to induce the body to produce antigens against the cause of the disease
Which among the above statements is/ are correct?

The  Kimberley Process is an international certification scheme that regulates trade in__?