CBSE Class 3 General Knowledge IGKO Olympiad MCQs with Answers Set F

1. What is the largest organ of our body?
(a) Heart
(b) Lungs
(c) Kidneys
(d) Skin
Answer : (d) Skin is the largest organ of our body. It protects our body from microbial infection and helps in maintaining normal body temperature through evaporation of sweat.

2. Which of the following is correctly matched?
(a) Canines—Food biting
(b) Stomata—Plant Breathing
(c) Ophthalmologist—Checking teeth
(d) Milk—Carbohydrate
Answer : (b) Canines are sharp conical teeth used for tearing food. Ophthalmologist checks eyes. Milk contains vitamins, minerals and proteins. Plant leaves have circular openings called stomata used for breathing.

3. Which of the following organs produces urine?

Answer : (b) Kidney is a bean-shaped organ which removes waste and excess water from the body in the form of urine.

4. In April 2015, several people were killed and many buildings were destroyed due to earthquake in Nepal. Which district of Nepal was the epicenter of the earthquake?
(a) Gorkha
(b) Dolpa
(c) Humla
(d) Surkhet
Answer : (a) Gorkha district of Nepal was the epicenter of the earthquake.It killed nearly 9,000 people and injured nearly 22,000.

5. Refer to the given family tree and answer the question.
Who is the grandmother of Ares?

(a) Rhea
(b) Hestia
(c) Hermis
(d) None of these
Answer : (a) Rhea and Cronus married to give six children among who were Zeus and Hera. Ares was born to Zeus and Hera.
So, Rhea is the grandmother of Ares.

6. Which of the following statements is true?
(a) Fried foods are good for health because they kill all the germs.
(b) Butter is a milk product.
(c) Food can be stored by freezing them.
(d) Both B and C
Answer : (d) Fried foods are not healthy and cause heart diseases.
Butter is prepared from milk. Foods can be stored either by freezing or heating which kills the microbes.

7. Which of the following statements is correct about aardvark?

(a) An aunt-eater
(b) A South American wild pig
(c) A creature that eats termites
(d) A small horse with a long tail
Answer : (c) An aardvark is an animal which eats termite and lives in Africa. It has strong claws with which it open termite nests and a very long sticky tongue which it uses to slurp the termites up out of their tunnels.

8. What do ostriches, rheas and emus have in common?
(a) They are birds
(b) They lay eggs
(c) They cannot fly
(d) All of these
Answer : (d) Ostriches, rheas and emus are all egg-laying birds which cannot fly.

9. What part of a plant is used to absorb water and minerals from outside?

(a) Stem
(b) Root
(c) Leaf
(d) Flower
Answer : (b) Plants has roots to absorb water and minerals from the soil. Water and minerals are used to carry out the process of photosynthesis for the production of food.

10. Which of the following is a modification of leaf?
(a) Onion
(b) Carrot
(c) Radish
(d) Spikes in cactus
Answer : (d) Spikes in cactus is a leaf modification which prevents loss of water from the plant growing in dry region.

11. Which of the following statements is correct about plants?
(a) They cannot grow in salt water.
(b) They produce oxygen because they do not require it.
(c) Mango is an example of herb.
(d) None of the above
Answer : (d) Some plants called mangroves can grow in salt water. Plants use part of oxygen they produce for breathing. Mango plant is a tree because it has woody stems and well-defined leaves and branches.

12. I am the largest animal in the world, and I weigh more than thirty elephants. I live in the oceans and I love sea food. One of my friends, Willy, acted in an English film recently. Who am I?
(a) Blue Whale
(b) Shark
(c) Dolphin
(d) Crocodile
Answer : (a) Blue Whale is the largest of all animals, which grows to a maximum length of 30 metres and weighs about 150 tonnes. It spends its summers in the polar waters and during winter, it moves to the equator. It lives on sea food.

13. I have a round body which is covered with a number of thornlike things called spines. When I want to protect myself I roll up into a tight ball. Anyone who touches me gets hurt and feels sorry for her or him. What is my name?

(a) Porcupine
(b) Squirrel
(c) Hedgehog
(d) Lizard
Answer : (c) Hedgehogs are medium-sized spiny animals, with a round body, small head, pointed face, and little or no tail. Their sizes vary from 4 to 17 inches. They are omnivorous but prefer animal food.

14. This statue is an under construction monument dedicated to Indian independence move-ment leader Vallabhbhai Patel.
It is located in the Indian state of Gujarat. What this statue is called?

(a) Statue of Unity
(b) Statue of Liberty
(c) Statue of Wisdom
(d) Statue of Freedom
Answer : (a) Statue of Unity is a statue of freedom fighter and first Home Minster of India Sardar Vallabhbhai Patel. The statue is 182 metres high.

15. Which of the following is not a neighboring county of India?

(a) Bhutan
(b) Sri Lanka
(c) Maldives
(d) Singapore
Answer : (d) Singapore is an island citystate that is located along southern Malaysia. Other neighboring countries of India are Pakistan, Nepal, China and Bangladesh.

16. He was an American politician and lawyer who served as the 16th President of the United States from March 1861 to April 1865. He became more famous for leading the United States during the American Civil War?

(a) George Washington
(b) Abraham Lincoln
(c) Franklin Roosevelt
(d) Benjamin Franklin
Answer : (b) Abraham Lincoln was born on February 12, 1809 in Kentucky and belonged to an extremely poor family.

17. The Mona Lisa is a halflength portrait painting which has been described as the best work of art in the world. It holds the Guinness World Record for the highest known insurance valuation in history. Who is the painter of Mona Lisa?

(a) Pablo Picasso
(b) Claude Monte
(c) Marc Chagall
(d) Leonardo Vinci
Answer : (d) The original portrait is in display in Paris in Louvre
Museum and it has been there since 1797. Mona Lisa’s portrait has remained for as long as 500 years.

18. Which Indian music composer has won two Oscar awards for his first western music score and has received Padma Shree as well as two Grammy awards?

Answer : (a) AR Rahman is an Indian classical music composer and singer. He has received two Academy Awards, two Grammy Awards, a BAFTA Award, a Golden Globe, four National Film Awards, fifteen Filmfare Awards and sixteen Filmfare Awards South.

19. Which continent has the largest desert?

(a) Africa
(b) Antarctica
(c) South America
(d) Asia
Answer : (b) Antarctic Polar Desert covers the continent of Antarctica and has a size of about 5.5 million square miles. The second-largest desert is the Arctic Polar Desert. It extends over parts of Alaska, Canada, Greenland, Iceland, Norway, Sweden, Finland, and Russia.

20. Carrot is a good source of _______

(a) Vitamin
(b) Protein
(c) Fat
(d) Carbohydrate
Answer : (a) Carrot is rich in vitamin A which is good for eye vision.
Fish, milk and meat are good source of proteins. Ghee is rich in fat. Rice and cereals have carbohydrate.

21. Distances in space are measured in light-years. What is a lightyear?

(a) A light-year is a year that has more sunlight due to good weather.
(b) A light-year is the distance light can travel through space in a year.
(c) A light-year is the distance from the earth to the moon
(d) A light-year is the distance from the sun to the earth
Answer : (b) A light-year is the distance that light can travel through space in a year. It is equivalent to 9.4607×1015 meters.

22. What is a satellite?

(a) An object that revolves around the Sun.
(b) Any piece of equipment that has fallen back to Earth from space.
(c) A special kind of light that is emitted by the sun
(d) Anything that orbits around a bigger object.
Answer : (d) A satellite is an object that moves around a larger object.
Earth is a satellite because it moves around the sun. The moon is a satellite because it moves around Earth. Earth and the moon are called “natural” satellites.

23. Who was the Indian-American biochemist who shared the 1968 Nobel Prize for Physiology or Medicine with Marshall W. Nirenberg and Robert W. Holley in the field of genetics?

(a) Har Gobind Khorana
(b) Birbal Sahni
(c) Vikram Sarabhai
(d) Meghnad Saha
Answer : (a) Har Gobind Khorana became the first to synthesize an artificial gene in a living cell. His work became the foundation for much of the later research in biotechnology and gene therapy.

24. Which of the following gases is filled in balloon to make it fly in the sky?
(a) Nitrogen
(b) Hydrogen
(c) Oxygen
(d) Carbon dioxide
Answer : (b) Hydrogen is a light gas which when filled in a balloon causes it to rise in the sky.

25. Shivam is very much concerned about the environment quality. Which of the following activities would you expect from him?
(a) He will cut trees to have a playground.
(b) He will use coal in place of wood for cooking.
(c) He will plant trees in front of his house.
(d) He will use plastic bags.
Answer : (c) Cutting trees will lead to air pollution and climate change. Coal and wood burning causes smoke and are non-renewable sources of energy. Plastic bags are non-biodegradable and remain in the environment for longer time, causing soil pollution.

26. The distance between a tree and a wall is 200 meters. Which of the following would reach the wall first when start traveling from the tree?
(a) Light
(b) Athlete
(c) Tiger
(d) Cheetah
Answer : (a) Light has maximum speed (299792458 meter/second) than all other things, so it will reach the wall first.

27. Give one word for the following.
The study of diagnosis, treatment, and prevention of disease-
(a) Medicology
(b) Medicine
(c) Medical care
(d) None of the above
Answer : (b) Medicine is the branch of science that deals with the study of diagnosis, treatment and prevention of diseases.

28. Mohan felt _______ when he found that Ram was punished in the class because of him.
(a) Happy
(b) Guilty
(c) Angry
(d) Annoyed
Answer : (b) One feels guilty after realizing his or her mistake.

29. Which dog is Mickey Mouse’s dog?

(a) Pluto
(b) Motimer
(c) Odie
(d) Scooby Doo
Answer : (a) Pluto, also called Pluto the Pup, is a cartoon character created in 1930. He is a yellow-orange color, medium-sized, shorthaired dog with black ears.

30. ‘Peter Pan’ is an American-British- Australian fantasy adventure film. In the film, who is Captain Hook’s pirate-buddy?

(a) Big Chief
(b) Smee
(c) Peter
(d) Tink
Answer : (b) Smee is Hook’s humorous firstmate.

31. Ram’s school is on the other side of a road. One day, as he was about to cross the road, the traffic signal turns green. What should he do?

(a) He should cross the road if no vehicle is nearby.
(b) He should wait until the traffic light turns red.
(c) He should stop the running vehicles, and cross the road.
(d) None of the above.
Answer : (b) One should never cross a road if the traffic signal shows green light. It is safe to cross a road when the traffic light is red in color.

32. Which of the following vehicles does not have visual warning lights?
(a) Ambulance
(b) Fire brigade
(c) Police van
(d) School bus
Answer : (d) Ambulance, fire brigade, and police van have emergency lights so that they get a clear road and reach the destination on time.

33. What type of race is the Tour de France?

Answer : (d) Tour de France is a bicycle race held in France while also occasionally making passes through nearby countries.

34. This yoga posture has been named after the shape it takes. It involves lying on one’s back with the feet together and arms beside the body. Which yoga asana has been described here?

(a) Naukasana
(b) Uttanasana
(c) Dhanurasana
(d) Kapalbhati
Answer : (a) Naukasana is comprised of two words-Nauka means Boat and Asana indicates Yoga pose. Since, the body posture is having the shape of boat, the asana is called Naukasana.

35. You entered into a room with tube light and fan on and no one else present in the room. What would you do before leaving the room?
(a) Switch off the tube light and fan.
(b) Seek permission before switching off the tube light and fan.
(c) Do not switch off the tube light as the room would get dark.
(d) None of the above
Answer : (a) We should never leave the room with tube light and fans on when there is no one in the room as this would cause wastage of energy.

36. Who is the current Finance Minister of India?
(a) Arun Jaitley
(b) Manohar Parrikar
(c) Rajnath Singh
(d) Venkaiah Naidu
Answer : (a) Arun Jaitley is the current Finance Minster of India.
Rajnath Singh is the Home Minister. Manohar Parrikar is the Chief Minister of Goa. Venkaiah Naidu is the former Union Urban Development Minister of India

37. Which day is observed as World Malaria Day?
(a) 25 April
(b) 25 May
(c) 24 June
(d) 2 December
Answer : (a) 25 April is celebrated as the World Malaria Day to recognize global efforts to control malaria.

38. Which of the following became India’s first World Heritage City?
(a) Ahmedabad
(b) Vadodra
(c) Thiruvananthapuram
(d) Hyderabad
Answer : (a) Ahmedabad is known for peace and as a landmark city where Mahatma Gandhi began India’s freedom struggle.

39. Which song is played before the start of a movie in cinema halls in India?
(a) De di Azadi Hamen
(b) Jana Gana Mana
(c) Mere Desh Ki Dharti
(d) Ay Mere Pyare Watan
Answer : (b) As per the order of the Supreme Court of India, the national song ‘Jana Gana Mana’ is played in cinema halls before the start of a film.

40. The water park ‘Worlds of the Wonder’ is located at

(a) Gurugram
(b) Noida
(c) Delhi
(d) Faridabad
Answer : (b) ‘Worlds of Wonder’ is a water park opened in mid 2007 and includes over 20 rides, a water park and a go-kart.