Class-3-Science Olympiad Questions and Answers
Class 3 Science Olympiad Questions with Answers are designed to strengthen young learners’ conceptual understanding of basic science topics such as plants, animals, energy, the human body, and natural phenomena. These aptitude test practice sets help students develop logical and scientific thinking through engaging, objective-type questions. Each question comes with an easy explanation to encourage curiosity and concept clarity. Olympiad-style aptitude questions and answers PDFs are perfect for both school-level and national-level exam preparation. Students can take free online tests to track progress and build confidence. This section is ideal for early learners aiming to excel in competitive school science exams.
Class-3-Science Olympiad
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157 questions
51. Match the following and select the correct option from the codes given below. Column I (a) ships (b) Helicopter (c) Aeroplane (d)Bulky goods Column II (a)Helipad (b) Airport (iii) Harbour (iv) Sea shore (v) Water transport (vi) Air transport
- a - (iii); b - (i); c - (ii); d - (v)
- a - (iii); b - (ii); c - (vi); d - (v)
- a - (iv); b (i); c - (vi); d - (iii)
- a - (iv); b - (ii); c - (vi); d - (iv)
52. Which one of the following is a development in communication technology
- Development of wheels
- Development off brass
- Development of the light bulb
- Development of man-made satellites
53. Reena wrote a letter to Savita. She did not need to put stamp on it. What type of letter did she use
- Inland
- Registered post
- Aerogramme
- Speed post
54. Bicycle, auto, car, bus, train are all means of transport. But each can be classified into different groups based on which of the following ?
- Number of persons needed to drive
- Number of wheels present in each
- Number of persons can sit
- Both (B) & (C)
55. What is the advantage of the method of communication as shown in figure 'b' as compared to that of figure 'a' ?
- The person in figure 'b' can move without remaining connected to cable
- The person in figure 'a' can move without remaining connected to cable
- The person in figure 'b' has more capability to talk than the person in figure 'a'
- The person in figure 'a' can talk more than the person in figure 'b'
56. In a type of script, row of raised dots are made on a thick paper, which can be read by running the fingers on them. This type of script is known as
- Louis script
- Marconi script
- Braille script
- Wright script
57. Digestion starts here and food begins its journey through the digestive system. Here food is chopped and chewed into smaller pieces.Which part of the digestive system is being described above ?
- Teeth
- Intestine
- Stomach
- Mouth
58. I protect the brain. I consist of bones which are fused firmly together to form a shell-like structure. What am I ?
- Skull
- Ribcage
- Spine
- Sternum
59. Which of the following body systems is most responsible for support and movement
- Digestive and cirrculatory
- Muscular and skeletal
- Nervous and excretory
- Immune and reproductive
60. Which of the following is the correct group of sense organs ?
- Eyes, nose, lips, ear, tongue
- Nose, ear, teeth, hair eyes
- Nose ear, eyes, skin, tongue
- Ear, eyes, nose, lips, teeth