16.  Which metal is important component of vitamin B12-

Answer & Explanation
Cobalt

17.  In vitamin B12 which metal ion present -

Answer & Explanation
Cobalt

18.  What caused by deficiency of vitamin - C

Answer & Explanation
Scurvy

19.  In which following less amount caused anemia-

Answer & Explanation
Hemoglobin

20.  Iron deficiency cause-

Answer & Explanation
Anemia

21.  Which vitamin deficencent due to washing of pecledegetable-

Answer & Explanation
C

22.  Scurvy disease caused the deficiency of -

Answer & Explanation
Vitamin - C

23.  In which found in tobacco-

Answer & Explanation
Nicotine

24.  Which disease occurs due to deficiency of iron?

Answer & Explanation
Goiter

25.  The study of medieive and it work is known as-

Answer & Explanation
Pharmacology

26.  Vitamin D is important for-

Answer & Explanation
Absorption of calcium from food

27.  Which types of vitamin fastly synthesize in body.

Answer & Explanation
Vitamin - D

28.  Which deficiency cause bending of bone of child-

Answer & Explanation
Vitamin - D

29.  In which rich source of vitamin - C-

Answer & Explanation
Citrus fruit

30.  By which prove firstly presence of cobalt in B12.

Answer & Explanation
Sodium                nitroperoxide test