91. Which gas is most abundant in the Earth’s atmosphere?
- A) Oxygen
- B) Carbon Dioxide
- C) Nitrogen
- D) Hydrogen
92. Which metal is liquid at room temperature?
- A) Gold
- B) Mercury
- C) Silver
- D) Copper
93. Which organ pumps blood throughout the human body?
- A) Lungs
- B) Brain
- C) Heart
- D) Liver
94. What is the tallest mountain in the world?
- A) K2
- B) Mount Kilimanjaro
- C) Mount Everest
- D) Mount Elbrus
95. Which language is primarily spoken in Brazil?
- A) Spanish
- B) Portuguese
- C) English
- D) French
96. What is the national animal of Pakistan?
- A) Markhor
- B) Lion
- C) Tiger
- D) Elephant
97. Which metal is liquid at room temperature?
- A) Gold
- B) Mercury
- C) Silver
- D) Copper
98. Which gas is most abundant in the Earth’s atmosphere?
- A) Oxygen
- B) Carbon Dioxide
- C) Nitrogen
- D) Hydrogen
99. What is the tallest mountain in the world?
- A) K2
- B) Mount Kilimanjaro
- C) Mount Everest
- D) Mount Elbrus
100. Which planet is known as the Morning Star?
- A) Mars
- B) Venus
- C) Mercury
- D) Jupiter