Classification of Minerals
Q. 1 Which is non essential mineral:
| A | Sodium | |
| B |
Manganese |
|
| C |
Iron |
|
| D |
Lead |
Q. 1
Which is non essential mineral:
| A |
Sodium |
|
| B |
Manganese |
|
| C |
Iron |
|
| D |
Lead |
Ans.
D
A
Explanation:
D i.e. Lead
Q. 2
which one is the trace element?
| A |
Copper |
|
| B |
sodium |
|
| C |
calcium |
|
| D |
Fats |
Ans.
Explanation:
i) Microminerals (Trace elements)- less than 100mg/day
a) Copper
b) Iodine
c) Iron
d) Mangnese
e) Selenium
f) Zinc
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