Browse the questions, answers and explanations for SSC CGL in 2023.
3 questions · Page 1 of 1
Which part of the human brain is responsible for maintaining balance and coordination?
Cerebrum
Medulla oblongata
Cerebellum
Hypothalamus
Correct Answer: C — Cerebellum
Explanation:
The cerebellum coordinates voluntary movements and is responsible for balance and posture.
In the reaction , magnesium is:
Reduced
Oxidised
Neither oxidised nor reduced
Acting as an oxidising agent
Correct Answer: B — Oxidised
Explanation:
Magnesium loses electrons to oxygen, so it is oxidised. Oxygen is reduced. This is a redox reaction.
If the radius of the Earth were doubled (mass unchanged), what would happen to the value of g (acceleration due to gravity) at the surface?
g would double
g would remain the same
g would become one-fourth
g would halve
Correct Answer: C — g would become one-fourth
Explanation:
. If R doubles, becomes . So g becomes one-fourth.
