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CBSE Class 3  >  Class 3 Test  >  Science  >  Olympiad Test Level 2: Human Body - Class 3 MCQ

Olympiad Test Level 2: Human Body Class 3 Science MCQs & solutions - Free


MCQ Practice Test & Solutions: Olympiad Test Level 2: Human Body (10 Questions)

You can prepare effectively for Class 3 Science for Class 3 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Olympiad Test Level 2: Human Body". These 10 questions have been designed by the experts with the latest curriculum of Class 3 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 10

Sign up on EduRev for free to attempt this test and track your preparation progress.

Olympiad Test Level 2: Human Body - Question 1
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When we breathe, we inhale gas Q and exhale Gas R. Identify the Gas Q and R.

Detailed Solution: Question 1

During breathing, we inhale Oxygen and exhale Carbon dioxide.

Olympiad Test Level 2: Human Body - Question 2
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I do not rest, I am pear shaped and pump blood throughout the human body

Who am I?

Detailed Solution: Question 2

Heart is a pear shaped structure present in the chest, it pumps the blood throughout the human body.

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Olympiad Test Level 2: Human Body - Question 3
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Unscramble the Scramble word which is responsible for the production of Young ones

Detailed Solution: Question 3

PUCDTIVENRRO=Reproduction

Olympiad Test Level 2: Human Body - Question 4
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What is the main function of the brain in our body?

Detailed Solution: Question 4

The brain controls all functions of the body. It receives and interprets information from our senses, controls movement, and regulates bodily functions such as heart rate and breathing.

Olympiad Test Level 2: Human Body - Question 5
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Which part of the body protects our brain?

Detailed Solution: Question 5

The skull protects our brain. It is a bony structure that encases the brain, protecting it from injury.

Olympiad Test Level 2: Human Body - Question 6
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Which organ in the human body produces insulin?

Detailed Solution: Question 6

The pancreas produces insulin, a hormone that regulates the amount of glucose (sugar) in the blood.

Olympiad Test Level 2: Human Body - Question 7
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Which of the following is located in our chest?

Detailed Solution: Question 7

The Heart is located in our chest. So, the correct answer is A: Heart. The heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.

Olympiad Test Level 2: Human Body - Question 8
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Study the given relationship and select the option that satisfies the same relationship.

Nose:: Respiratory system :: Oxygen

Detailed Solution: Question 8

Stomach is a part of the digestive system, which provides nutrients from the food.

Olympiad Test Level 2: Human Body - Question 9
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Your baby sister is sleeping in your room. You are reading a book at your study table. Your baby sister wakes up and lets out a cry. Which of your senses help you to know that your baby sister is crying?

Detailed Solution: Question 9

The senses that help you know your baby sister is crying are:

  • Hearing - You can detect the sound of her cry.
  • Sight - If you look at her while she’s crying, you can confirm she needs attention.

Olympiad Test Level 2: Human Body - Question 10
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Our stomach expands when the food enters and contracts when it goes out. Thus the stomach can expand and contract. This is possible because our stomach is made of:

Detailed Solution: Question 10

Our stomach can expand and contract because it is made of muscles. So, the correct answer is A: muscles. The stomach is a muscular organ that can expand to hold food and contract to help digest it.

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About this Class 3 Practice Test

This test contains 10 MCQs on Olympiad Test Level 2: Human Body with detailed solutions for each question. It is part of the Science for Class 3 course on EduRev, designed to align with the current Class 3 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Olympiad Test Level 2: Human Body MCQ Test helpful, you can further enhance your Class 3 preparation with in-depth courses on EduRev, for all the subjects and topics available in Science for Class 3 course. The course offers:
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