1.
Which is the biggest animal on Earth?
Correct Answer
B. Blue whale
Explanation
The blue whale is the largest animal on Earth. It can reach lengths of up to 100 feet and weigh over 200 tons. Its size is much larger than that of a zebra, elephant, or crocodile. The blue whale's massive size allows it to consume large quantities of krill, its primary food source. Its sheer size and weight make it the largest animal to have ever lived on Earth.
2.
Which is the tallest mountain in the entire world?
Correct Answer
C. Mount Everest
Explanation
Mount Everest is the correct answer because it is widely recognized as the tallest mountain in the entire world. Located in the Himalayas, it stands at a height of 8,848.86 meters (29,031.7 feet) above sea level. Mount Everest is known for its challenging climbing routes and extreme weather conditions, making it a popular destination for mountaineers from around the globe. Its towering peak and iconic status have solidified its position as the tallest mountain in the world.
3.
How many days are there in a year?
Correct Answer
B. 365
Explanation
A normal year has 365 days. This is because it takes approximately 365 days for the Earth to complete one full orbit around the Sun. To keep the calendar year synchronized with the Earth's orbit, an extra day is added every four years, creating a leap year with 366 days. This extra day is added to February, making it 29 days long instead of the usual 28.
4.
Leap-year comes
Correct Answer
A. Once in every four years
Explanation
A leap year is a year that has an extra day, February 29th, added to it. This is done to keep the calendar year synchronized with the astronomical year, which 1 is the time it takes for the Earth to orbit 2 the Sun. The astronomical year is approximately 365.24 days long, so adding an extra day every four years helps to account for the extra quarter day.
5.
Which of these is not a season?
Correct Answer
C. Hot
Explanation
The question is asking for a season that is not included in the given options. The options "Winter," "Summer," and "Autumn" are all recognized seasons. However, "Hot" is not considered a season but rather a description of weather conditions.
6.
In which continent does Germany exist?
Correct Answer
A. Europe
Explanation
Germany is located in Europe. It is a country in Central Europe, bordered by nine other European countries. It is a part of the European Union and is known for its rich history, culture, and economic power. Germany's location in Europe is well-established and widely recognized.
7.
What is the capital city of France?
Correct Answer
C. Paris
Explanation
Paris is the correct answer because it is widely known as the capital city of France. It is a major global city and a center for art, fashion, culture, and cuisine. Paris is also home to iconic landmarks such as the Eiffel Tower, Louvre Museum, and Notre-Dame Cathedral.
8.
What gas do we need to breathe to stay alive?
Correct Answer
C. Oxygen
Explanation
We need to breathe oxygen to stay alive. Oxygen is essential for cellular respiration, the process by which our cells produce energy. It is transported to our body tissues through the bloodstream, where it is used to break down glucose and produce ATP, the energy currency of cells. Without oxygen, our cells would not be able to generate enough energy to sustain life.
9.
Which planet is the closest to the sun out of these?
Correct Answer
D. Venus
Explanation
Venus is the closest planet to the sun out of the given options. It is located between the Earth and Mercury in terms of its distance from the sun. Venus is the second planet from the sun and has an average distance of about 67 million miles from it. Jupiter and Saturn are both outer planets and are located much farther away from the sun compared to Venus.
10.
Which planet in our Solar System is the smallest?
Correct Answer
B. Mercury
Explanation
Mercury is the smallest planet in our Solar System. It has a diameter of about 4,879 kilometers, making it slightly larger than Earth's moon. Despite its small size, Mercury is dense and has a relatively large iron core, which contributes to its high density. Its small size also means that it has a weak gravitational pull, making it difficult for the planet to retain an atmosphere. Mercury is also the closest planet to the Sun, with an average distance of about 58 million kilometers.