1. What is the primary function of the kidneys in the human body?
A. To regulate body temperature
B. To filter and remove waste products from the blood
C. To transport oxygen throughout the body
D. To produce hormones for growth
Answer: B
Rationale: The primary function of the kidneys is to filter waste products
from the blood, which are then excreted as urine. They also help regulate
water and electrolyte balance.
2. What is the main objective of the Kyoto Protocol?
A. To prevent the spread of nuclear weapons
B. To regulate global financial markets
C. To address climate change by reducing greenhouse gas emissions
D. To promote international trade
Answer: C
Rationale: The Kyoto Protocol is an international treaty that aims to reduce
greenhouse gas emissions and mitigate climate change. It involves legally
binding commitments from industrialized countries to lower their
emissions.
3. What is the capital of Canada?
A. Vancouver
,B. Montreal
C. Ottawa
D. Toronto
Answer: C
Rationale: Ottawa is the capital of Canada. Although Toronto is the largest
city in Canada and Montreal is culturally significant, Ottawa is the political
and administrative capital.
4. Which of the following elements is a noble gas?
A. Oxygen
B. Nitrogen
C. Neon
D. Hydrogen
Answer: C
Rationale: Neon is a noble gas. Noble gases are chemically inert and do not
readily form compounds with other elements. Oxygen, nitrogen, and
hydrogen are not noble gases.
5. What is the primary purpose of the United Nations Security Council?
A. To promote global trade
B. To mediate peace between countries in conflict
C. To regulate international environmental agreements
D. To manage global health crises
Answer: B
, Rationale: The United Nations Security Council's primary role is to
maintain international peace and security. It addresses conflicts, authorizes
peacekeeping missions, and imposes sanctions.
6. Which of the following is the largest component of the Earth's
atmosphere?
A. Oxygen
B. Nitrogen
C. Carbon Dioxide
D. Argon
Answer: B
Rationale: Nitrogen makes up about 78% of the Earth's atmosphere, making
it the largest component. Oxygen follows at around 21%, and other gases,
including carbon dioxide, make up a much smaller portion.
7. Who is credited with the discovery of the theory of evolution?
A. Albert Einstein
B. Charles Darwin
C. Isaac Newton
D. Marie Curie
Answer: B
Rationale: Charles Darwin is credited with developing the theory of
evolution by natural selection, which explains how species evolve over time
through the survival of the fittest.
A. To regulate body temperature
B. To filter and remove waste products from the blood
C. To transport oxygen throughout the body
D. To produce hormones for growth
Answer: B
Rationale: The primary function of the kidneys is to filter waste products
from the blood, which are then excreted as urine. They also help regulate
water and electrolyte balance.
2. What is the main objective of the Kyoto Protocol?
A. To prevent the spread of nuclear weapons
B. To regulate global financial markets
C. To address climate change by reducing greenhouse gas emissions
D. To promote international trade
Answer: C
Rationale: The Kyoto Protocol is an international treaty that aims to reduce
greenhouse gas emissions and mitigate climate change. It involves legally
binding commitments from industrialized countries to lower their
emissions.
3. What is the capital of Canada?
A. Vancouver
,B. Montreal
C. Ottawa
D. Toronto
Answer: C
Rationale: Ottawa is the capital of Canada. Although Toronto is the largest
city in Canada and Montreal is culturally significant, Ottawa is the political
and administrative capital.
4. Which of the following elements is a noble gas?
A. Oxygen
B. Nitrogen
C. Neon
D. Hydrogen
Answer: C
Rationale: Neon is a noble gas. Noble gases are chemically inert and do not
readily form compounds with other elements. Oxygen, nitrogen, and
hydrogen are not noble gases.
5. What is the primary purpose of the United Nations Security Council?
A. To promote global trade
B. To mediate peace between countries in conflict
C. To regulate international environmental agreements
D. To manage global health crises
Answer: B
, Rationale: The United Nations Security Council's primary role is to
maintain international peace and security. It addresses conflicts, authorizes
peacekeeping missions, and imposes sanctions.
6. Which of the following is the largest component of the Earth's
atmosphere?
A. Oxygen
B. Nitrogen
C. Carbon Dioxide
D. Argon
Answer: B
Rationale: Nitrogen makes up about 78% of the Earth's atmosphere, making
it the largest component. Oxygen follows at around 21%, and other gases,
including carbon dioxide, make up a much smaller portion.
7. Who is credited with the discovery of the theory of evolution?
A. Albert Einstein
B. Charles Darwin
C. Isaac Newton
D. Marie Curie
Answer: B
Rationale: Charles Darwin is credited with developing the theory of
evolution by natural selection, which explains how species evolve over time
through the survival of the fittest.