Biology 11 Chapter 2
Biological Molecules - 4
1.
Net weight percentage of Chlorine in naturally occurring elements in human body is?
a) 0.2
b) 0.3
c) 0.4
d) 0.1
2.
Net weight percentage of Magnesium in naturally occurring elements in human body is?
a) 0.4
b) 0.2
c) 0.3
d) 0.1
3.
Trace elements include (pick the wrong answer)?
a) Molybdenum, helenium, silicone and zinc.
b) Boron, chromium, cobalt, copper and tin.
c) Fluorine, iodine, iron, manganese and vanadium.
d) Molybdenum, selenium, silicone and zinc.
4.
Net weight percentage of “Trace Elements” in naturally occurring elements in human body is?
a) 0.2
b) 0.10
c) 0.001
d) 0.01
5.
Which Element is not found in living organisms?
a) E
b) N
c) C
d) H
6.
Which Element is not found in living organisms?
a) N
b) P
c) S
d) O
7.
Which Element is not found in living organisms?
a) Na
b) Mg
c) 2Cl-
d) Sc
8.
Which Element is not found in living organisms?
a) Ca+2
b) Al
c) Cu
d) K
9.
Which Element is not found in living organisms?
a) Fe
b) Mn
c) Pb
d) Co
10.
Which Element is not found in living organisms?
a) Al
b) IA
c) Zn
d) B
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