1. Which of the following is a conductor of electricity?
A. Rubber
B. Wood
C. Copper
D. Plastic
Answer: C) Copper
Rationale: Copper is an excellent conductor of electricity, which is why it is
commonly used in electrical wiring.
2. The Indian national flag was designed by?
A. Subhas Chandra Bose
B. Jawaharlal Nehru
C. Pingali Venkayya
D. Mahatma Gandhi
Answer: C) Pingali Venkayya
Rationale: Pingali Venkayya designed the Indian national flag in 1921,
which was later adopted as the official flag of India.
3. The process by which water vapor turns into liquid water is known as?
A. Sublimation
B. Evaporation
C. Condensation
,D. Freezing
Answer: C) Condensation
Rationale: Condensation is the process where water vapor cools and turns
back into liquid water.
4. What is the boiling point of water at sea level?
A. 50°C
B. 100°C
C. 120°C
D. 150°C
Answer: B) 100°C
Rationale: The boiling point of water at sea level is 100°C under standard
atmospheric pressure.
5. What is the chemical formula for water?
A. CO2
B. H2O
C. NaCl
D. O2
Answer: B) H2O
Rationale: The chemical formula for water is H2O, indicating two hydrogen
atoms bonded to one oxygen atom.
6. What is the smallest unit of matter?
, A. Molecule
B. Atom
C. Electron
D. Proton
Answer: B) Atom
Rationale: An atom is the smallest unit of matter that retains the properties
of an element.
7. Which of the following is a by-product of respiration?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Water
Answer: B) Carbon dioxide
Rationale: Carbon dioxide is a by-product of the respiration process, where
oxygen is used to break down glucose for energy.
8. In which state is the city of Mysore located?
A. Tamil Nadu
B. Karnataka
C. Kerala
D. Andhra Pradesh
Answer: B) Karnataka
A. Rubber
B. Wood
C. Copper
D. Plastic
Answer: C) Copper
Rationale: Copper is an excellent conductor of electricity, which is why it is
commonly used in electrical wiring.
2. The Indian national flag was designed by?
A. Subhas Chandra Bose
B. Jawaharlal Nehru
C. Pingali Venkayya
D. Mahatma Gandhi
Answer: C) Pingali Venkayya
Rationale: Pingali Venkayya designed the Indian national flag in 1921,
which was later adopted as the official flag of India.
3. The process by which water vapor turns into liquid water is known as?
A. Sublimation
B. Evaporation
C. Condensation
,D. Freezing
Answer: C) Condensation
Rationale: Condensation is the process where water vapor cools and turns
back into liquid water.
4. What is the boiling point of water at sea level?
A. 50°C
B. 100°C
C. 120°C
D. 150°C
Answer: B) 100°C
Rationale: The boiling point of water at sea level is 100°C under standard
atmospheric pressure.
5. What is the chemical formula for water?
A. CO2
B. H2O
C. NaCl
D. O2
Answer: B) H2O
Rationale: The chemical formula for water is H2O, indicating two hydrogen
atoms bonded to one oxygen atom.
6. What is the smallest unit of matter?
, A. Molecule
B. Atom
C. Electron
D. Proton
Answer: B) Atom
Rationale: An atom is the smallest unit of matter that retains the properties
of an element.
7. Which of the following is a by-product of respiration?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Water
Answer: B) Carbon dioxide
Rationale: Carbon dioxide is a by-product of the respiration process, where
oxygen is used to break down glucose for energy.
8. In which state is the city of Mysore located?
A. Tamil Nadu
B. Karnataka
C. Kerala
D. Andhra Pradesh
Answer: B) Karnataka
