1. Which vitamin is primarily obtained from sunlight?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin B12
Answer: C) Vitamin D
Rationale: Vitamin D is produced in the skin when exposed to sunlight, and
it is essential for calcium absorption.
2. What is the square root of 64?
A. 6
B. 8
C. 10
D. 12
Answer: B) 8
Rationale: The square root of 64 is 8, since 8 × 8 = 64.
3. Which of the following is an example of a non-renewable resource?
A. Wind
B. Solar energy
C. Coal
,D. Water
Answer: C) Coal
Rationale: Coal is a non-renewable resource because it takes millions of
years to form, and once it is used, it cannot be replenished in a human
lifetime.
4. What is the primary function of red blood cells?
A. To fight infections
B. To carry oxygen
C. To clot blood
D. To digest food
Answer: B) To carry oxygen
Rationale: The primary function of red blood cells is to transport oxygen
from the lungs to the rest of the body and return carbon dioxide to be
exhaled.
5. Who invented the light bulb?
A. Nikola Tesla
B. Thomas Edison
C. Alexander Graham Bell
D. James Watt
Answer: B) Thomas Edison
Rationale: Thomas Edison is credited with inventing the practical light
bulb in 1879.
, 6. The unit of electric current is?
A. Volt
B. Ampere
C. Ohm
D. Watt
Answer: B) Ampere
Rationale: The unit of electric current is the Ampere (A), which measures
the flow of electric charge.
7. What is the powerhouse of the cell?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Endoplasmic Reticulum
Answer: B) Mitochondria
Rationale: Mitochondria are known as the powerhouse of the cell because
they generate most of the cell's energy in the form of ATP.
8. In which year was the Indian Constitution adopted?
A. 1947
B. 1950
C. 1949
D. 1952
Answer: C) 1949
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin B12
Answer: C) Vitamin D
Rationale: Vitamin D is produced in the skin when exposed to sunlight, and
it is essential for calcium absorption.
2. What is the square root of 64?
A. 6
B. 8
C. 10
D. 12
Answer: B) 8
Rationale: The square root of 64 is 8, since 8 × 8 = 64.
3. Which of the following is an example of a non-renewable resource?
A. Wind
B. Solar energy
C. Coal
,D. Water
Answer: C) Coal
Rationale: Coal is a non-renewable resource because it takes millions of
years to form, and once it is used, it cannot be replenished in a human
lifetime.
4. What is the primary function of red blood cells?
A. To fight infections
B. To carry oxygen
C. To clot blood
D. To digest food
Answer: B) To carry oxygen
Rationale: The primary function of red blood cells is to transport oxygen
from the lungs to the rest of the body and return carbon dioxide to be
exhaled.
5. Who invented the light bulb?
A. Nikola Tesla
B. Thomas Edison
C. Alexander Graham Bell
D. James Watt
Answer: B) Thomas Edison
Rationale: Thomas Edison is credited with inventing the practical light
bulb in 1879.
, 6. The unit of electric current is?
A. Volt
B. Ampere
C. Ohm
D. Watt
Answer: B) Ampere
Rationale: The unit of electric current is the Ampere (A), which measures
the flow of electric charge.
7. What is the powerhouse of the cell?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Endoplasmic Reticulum
Answer: B) Mitochondria
Rationale: Mitochondria are known as the powerhouse of the cell because
they generate most of the cell's energy in the form of ATP.
8. In which year was the Indian Constitution adopted?
A. 1947
B. 1950
C. 1949
D. 1952
Answer: C) 1949
