Which of the following statements are incorrect?

(i) Watson and Crick along with Wilkins and Franklin got the Nobel Prize for his work in 1962.

(ii) In RNA, every nucleotide residue has an additional –OH group present at 3’ – position in the ribose.

(iii) 5-methyl uracil is another chemical name for Thymine.

(iv) DNA as an acidic substance present in nucleus was first identified by Friedrich Meischer in 1869 and called it ‘Nuclein’.

(v) In 1953 Watson and Crick, proposed double helix model for the structure of DNA.

(vi) Watson and Crick model is based on the X-ray diffraction data produced by Wilkins and Franklin.

(vii) According to Chargaff the ratio between Adenine and Guanine, Thymine and Cytosine are constant and equals to 1.