Question 1
Open questionWhich gas is released during photosynthesis?
A
A: Carbon dioxide
B
B: Oxygen
C
C: Nitrogen
D
D: Hydrogen
Answer and explanation
Correct Answer: B — B: Oxygen
Photosynthesis releases oxygen (O₂).
ObjectiveMCQ
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Browse the question list for SSC CGL in 2023.
8 questions · Page 1 of 1
Question 1
Open questionWhich gas is released during photosynthesis?
A: Carbon dioxide
B: Oxygen
C: Nitrogen
D: Hydrogen
Correct Answer: B — B: Oxygen
Photosynthesis releases oxygen (O₂).
Question 2
Open questionWhich enzyme is responsible for the digestion of proteins in the stomach?
A: Amylase
B: Lipase
C: Pepsin
D: Trypsin
Correct Answer: C — C: Pepsin
Pepsin breaks down proteins into smaller peptides.
Question 3
Open questionAccording to Ohm’s Law, what is the relationship between voltage (V), current (I), and resistance (R)?
A: V = I/R
B: V = IR ✓
C: V = R/I
D: V = I + R
Correct Answer: B — B: V = IR ✓
Formula:
Question 4
Open questionState Newton’s First Law of Motion with an example.
A: Motion changes without any force
B: Rest and motion continue until an external force acts ✓
C: Only valid for planets
D: Only applies in vacuum
Correct Answer: B — B: Rest and motion continue until an external force acts ✓
Law of Inertia: A body remains at rest or in uniform motion unless acted upon by an external force.
Question 5
Open questionWhich type of lens is used to correct myopia (short-sightedness)?
A: Convex lens
B: Concave lens
C: Cylindrical lens
D: Plano-convex lens
Correct Answer: B — B: Concave lens
Concave lenses are used to correct myopia because they diverge light rays before reaching the eye.
Question 6
Open questionWhich law of thermodynamics states that energy cannot be created or destroyed?
A: Zeroth law
B: First law
C: Second law
D: Third law
Correct Answer: B — B: First law
The First Law of Thermodynamics states that energy can neither be created nor destroyed, only transformed.
Question 7
Open questionSound cannot travel through which of the following?
A: Solid
B: Liquid
C: Gas
D: Vacuum
Correct Answer: D — D: Vacuum
Sound requires a medium (solid, liquid, or gas) to travel, so it cannot travel through a vacuum.
Question 8
Open questionAccording to Ohm’s law, V = ?
A: IR
B: I/R
C: R/I
D: I+R
Correct Answer: A — A: IR
Ohm’s law states that V = IR, where V is voltage, I is current, and R is resistance.