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CBSE Class 4  >  Class 4 Test  >  Science Olympiad   >  HOTs for Science Olympiad -3 - Class 4 MCQ

HOTs for Science Olympiad -3 - Free MCQ Test with solutions Class 4 Olympiad


MCQ Practice Test & Solutions: HOTs for Science Olympiad -3 (10 Questions)

You can prepare effectively for Class 4 Science Olympiad Class 4 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "HOTs for Science Olympiad -3". These 10 questions have been designed by the experts with the latest curriculum of Class 4 2026, to help you master the concept.

Test Highlights:

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

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HOTs for Science Olympiad -3 - Question 1
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The given figure shows a human digestive system with some parts labelled as P, Q. R and S. Which of the following labelled parts is correctly matched with its function?

Detailed Solution: Question 1

'P' is the mouth where digestion of food starts with the help of saliva.
'Q' is the oesophagus which acts as a passage for the conduction of food from the mouth to the stomach. 
No digestion takes place here. 'R' is the stomach where food is mixed with digestive juices. Digestion of all food components takes place in the small intestine. 
In the large intestine, 'S', water is absorbed from the undigested food.

HOTs for Science Olympiad -3 - Question 2
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A patient suffering with diarrhoea passes loose and watery stools. This make him dehydrated and weak. Amit had his lunch. How does the -3od travel in his body before it is absorbed?

Detailed Solution: Question 2

Food that you eat is broken down into smaller pieces and then it enters the oesophagus, the stomach and then, the small intestine.

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HOTs for Science Olympiad -3 - Question 3
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The diagram shows a part of the path of food moving through our digestive system. 

Identify organs 'Y and Z.

Detailed Solution: Question 3

In the given flow chart 'Y' is the mouth and Z is the stomach.

HOTs for Science Olympiad -3 - Question 4
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Nidhi drew a balanced diet pyramid but made some mistakes.

Select the correct option regarding it.

Detailed Solution: Question 4

The balanced diet pyramid emphasizes carbohydrates at the base, followed by fruits and vegetables, protein-rich foods, and fats at the apex, reflecting recommended intake levels for each group.

HOTs for Science Olympiad -3 - Question 5
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The figure below shows the daily diet of a primary school student.  It is not a balanced diet for the child. Which of the following is needed for the child to build up his/her body?

Detailed Solution: Question 5

Proteins are body-building foods.

HOTs for Science Olympiad -3 - Question 6
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Match the following:

HOTs for Science Olympiad -3 - Question 7
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Which of the following is an incorrect match?

Detailed Solution: Question 7

Saliva gets mixed with the food and makes it easy to swallow. Thus (c) is an incorrect match.

HOTs for Science Olympiad -3 - Question 8
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Arrange the following in the correct order:

  1. After this the food goes into the large intestine, which absorbs the additional water.
  2. The food goes into the stomach through the esophagus.
  3. The gastric juices that come from stomach walls, help the food get digested and kill the bacteria in the food if any.
  4. After this food enters into small intestine so that body can absorb the vitamin, minerals, etc.

HOTs for Science Olympiad -3 - Question 9
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Which statement is true?
A. Heart beats only sometimes in our life.
B. Blood carries hydrogen to all parts.
C. We get energy from food.
D. Digestion is the process with which we throw our body wastes out.

Detailed Solution: Question 9

A. False - The heart beats continuously.
B. False - Blood primarily carries oxygen, not hydrogen, to body parts.
C.False - Digestion breaks down food for nutrients; waste removal is a separate process.
D. True - We derive energy from food.

HOTs for Science Olympiad -3 - Question 10
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Which organ covers the windpipe to prevent the entry of food into the windpipe while eating food?

Detailed Solution: Question 10

Epiglottis prevents the entry of food into the windpipe.

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About this Class 4 Practice Test

This test contains 10 MCQs on HOTs for Science Olympiad -3 with detailed solutions for each question. It is part of the Science Olympiad Class 4 course on EduRev, designed to align with the current Class 4 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 HOTs for Science Olympiad -3 MCQ Test helpful, you can further enhance your Class 4 preparation with in-depth courses on EduRev, for all the subjects and topics available in Science Olympiad Class 4 course. The course offers:
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  • MCQ Test: variety of questions as per the pattern of Class 4 exam
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