GK High Order Thinking Skills (HOTs) - 5 - Class 5 MCQ

(i) True: Mercury is the closest planet to the Sun.

(ii) False: Jupiter is the largest planet in our solar system, not the smallest. Mercury is the smallest.

(iii) True: Saturn has the most extensive and well-known ring system among the planets.

(iv) True: Mars is often referred to as the Red Planet due to the iron oxide (rust) on its surface, which gives it a reddish appearance.

So, the correct option is A: T, F, T, T.

(i) True: The human body has 206 bones in adulthood.

(ii) False: The heart is part of the circulatory system, not the digestive system. It pumps blood throughout the body.

(iii) True: The brain is the control center of the nervous system, responsible for processing information and coordinating bodily functions.

(iv) True: The lungs are responsible for the exchange of oxygen and carbon dioxide during breathing.

So, the correct option is A: T, F, T, T.

(i) True: A hexagon has six sides.

(ii) False: The capital of Italy is Rome, not Venice.

(iii) True: Light travels faster than sound. Light travels at approximately 300,000 kilometers per second, while sound travels much slower at about 343 meters per second in air.

(iv) False: The currency of the United Kingdom is the British Pound (GBP), not the Euro.

So, the correct option is A: (i) and (iii) only.

(i) True: The heart has four chambers: two upper chambers called atria and two lower chambers called ventricles. These chambers work together to pump blood throughout the body.

(ii) False: The national flower of Japan is the cherry blossom (sakura), which holds significant cultural importance in Japanese traditions and is celebrated during the cherry blossom festival.

(iii) False: The Amazon River flows through South America, primarily in Brazil, and is the largest river by volume in the world.

(iv) True: The Pyramids of Giza are ancient pyramid structures located near Cairo, Egypt, and are one of the Seven Wonders of the Ancient World.

So, the correct option is A: (i) and (iv) only.

(i) Sardar Vallabhbhai Patel is known as the "Iron Man of India" for his role in uniting India after independence.
(ii) Angel Falls is the tallest waterfall in the world, located in Venezuela with a height of 979 meters (3,212 feet).
(iii) Asia is the largest continent by land area, covering about 44.5 million square kilometers.
(iv) Thomas Edison is credited with inventing the light bulb, though many others contributed to its development.
So, the correct option is C: Sardar Vallabhbhai Patel, Angel Falls, Asia, Thomas Edison.

(i) Rome is the historic and current capital of Italy, known for its rich history, ancient monuments, and cultural significance.

(ii) Mahatma Gandhi played a key role in India's independence movement through his philosophy of non-violence, earning him the title "Father of the Nation."

(iii) The Ostrich is the largest bird in the world, standing up to 9 feet tall and weighing up to 145 kilograms.

(iv) Au comes from the Latin word "aurum," which means gold, and it is the symbol used on the periodic table to represent the element.

So, the correct option is A: Rome, Mahatma Gandhi, Ostrich, Au.

P. Invention of the light bulb → (iii) Edison: Thomas Edison is widely credited with inventing the first practical incandescent light bulb in 1879, although others contributed to earlier versions of the light bulb.
Q. Theory of evolution → (iv) Darwin: Charles Darwin developed the theory of evolution by natural selection, explaining how species evolve over time through genetic variation and survival of the fittest.
R. Discovery of antibiotics → (i) Fleming: Alexander Fleming discovered penicillin in 1928, the world’s first antibiotic, which revolutionized medicine by providing an effective treatment for bacterial infections.
S. Invention of the telephone → (ii) Bell: Alexander Graham Bell is credited with inventing the telephone in 1876, which transformed communication by allowing people to speak over long distances.
Thus, the correct option is A: P-(iii), Q-(iv), R-(i), S-(ii).

P. Symbol for gold → (iii) Au: The chemical symbol for gold is Au, derived from the Latin word "Aurum," which means "gold" in Latin.

Q. Symbol for iron → (ii) Fe: The chemical symbol for iron is Fe, which comes from the Latin word "Ferrum." This symbol is used on the periodic table.

R. Symbol for silver → (i) Ag: The chemical symbol for silver is Ag, taken from the Latin word "Argentum," which means silver.

S. Symbol for sodium → (iv) Na: The chemical symbol for sodium is Na, derived from the Latin word "Natrium."

Thus, the correct option is A: P-(iii), Q-(ii), R-(i), S-(iv).

(i) The bar for Karate shows 15 students.
(ii) The bar for Judo shows 20 students, and the bar for Aerobics shows 10 students.
So, the difference is: 20 - 10 = 10 more students like Judo than Aerobics.
The correct option is: A: 15, 10.

(i) The bar for Reading shows that 20 students like Reading.
(ii) The bar for Writing shows 15 students, and the bar for Listening shows 10 students.
So, the difference is: 15 - 10 = 5 more students like Writing than Listening.
The correct option is: A: 20, 5.