1.
How many continent is in earth?
Correct Answer
C. 7
Explanation
There are seven continents on Earth. This is because continents are large, continuous land masses that are separated by bodies of water. The seven continents are Africa, Antarctica, Asia, Europe, North America, Australia, and South America. Each continent has its own unique geography, climate, and ecosystems.
2.
Which continent is Canada located?
Correct Answer
A. North America
Explanation
Canada is located in North America. This is because Canada is geographically situated in the northern part of the continent, sharing borders with the United States to the south. Additionally, Canada is a member of various North American organizations and has cultural, economic, and political ties with other North American countries.
3.
Which of these is not a Middle Eastern country?
Correct Answer
A. SomaliaÂ
Explanation
Somalia is not a Middle Eastern country because it is located in the eastern part of Africa, specifically in the Horn of Africa. The Middle East region consists of countries that are predominantly located in Southwest Asia and North Africa. Israel, Iran, and Yemen are all Middle Eastern countries as they are situated in this region.
4.
What is hardest known substance?
Correct Answer
A. Diamond
Explanation
Diamond is the hardest known substance because of its strong covalent bonds between carbon atoms. These bonds create a rigid and tightly packed crystal structure, making diamond extremely resistant to scratching and deformation. Graphite, on the other hand, has a layered structure which allows for easy separation of its carbon atoms, resulting in a soft and slippery texture. Steel and zinc are not as hard as diamond and can be scratched or deformed more easily.
5.
What is the name given to non-citizen of a country?
Correct Answer
B. Alien
Explanation
The term "alien" is used to refer to a non-citizen of a country. It is commonly used to describe individuals who are not citizens or nationals of a particular country, but are residing there temporarily or permanently. This term is used in legal and official contexts to distinguish individuals who do not possess citizenship rights or privileges in a given country.
6.
What is the fastest mode of transportation?
Correct Answer
C. Air
Explanation
Air is considered the fastest mode of transportation due to its ability to travel at high speeds. Airplanes can travel at speeds exceeding 500 miles per hour, allowing for quick and efficient transportation over long distances. Additionally, air travel is not constrained by geographical obstacles such as mountains or bodies of water, further enhancing its speed and accessibility.
7.
Which color is not present in the US flag?
Correct Answer
C. Purple
Explanation
Purple is not present in the US flag. The US flag consists of white stars on a blue field, and alternating red and white stripes. Purple is not one of the colors represented in the flag design.
8.
Which of these not an American past president?
Correct Answer
D. Lord Luggard
Explanation
The question asks to identify the past president who is not an American. The options given are Donald Reagan, Bill Clinton, Barack Obama, and Lord Luggard. Among these options, Lord Luggard is not an American past president.
9.
What is meaning of Control S in computers?
Correct Answer
C. Save
Explanation
In computers, the meaning of "Control S" is to save. It is a keyboard shortcut used to save a file or document. By pressing the Control key (Ctrl) and the S key simultaneously, the user can quickly save their work without having to go through the menu options. This shortcut is commonly used in various software applications to ensure that any changes made to a file are saved and not lost.
10.
What is the Vitamin C deficiency?
Correct Answer
C. Scurvy
Explanation
Scurvy is a condition caused by a deficiency of Vitamin C in the diet. It is characterized by symptoms such as fatigue, weakness, swollen and bleeding gums, joint pain, and poor wound healing. Without enough Vitamin C, the body is unable to produce collagen, which is necessary for the formation of healthy skin, blood vessels, and connective tissues. If left untreated, scurvy can lead to severe complications and even death. Therefore, scurvy is the correct answer to the question about Vitamin C deficiency.