Question

Statement I: An alloy of lithium and magnesium is used to make aircraft plates.
Statement II : The magnesium ions are important for cell-membrane integrity.
In the light the above statements, choose the correct answer from the options given below

• A. Both Statement I and Statement II are true
• B. Both Statement I and Statement II are false
• C. Statement $I$ is true but Statement $Il$ is false
• D. Statement I is false but Statement II is true

Answer 1

Answer: (B)

Alloy of $Li$ and $Mg$ is used to make armour plates and not aircraft plates. Calcium plays important roles in neuromuscular function, interneuronal transmission and cell membrane integrity