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Olympiad Test: Human Body -1


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20 Questions MCQ Test Science Olympiad Class 4 | Olympiad Test: Human Body -1

Olympiad Test: Human Body -1 for Class 4 2022 is part of Science Olympiad Class 4 preparation. The Olympiad Test: Human Body -1 questions and answers have been prepared according to the Class 4 exam syllabus.The Olympiad Test: Human Body -1 MCQs are made for Class 4 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Human Body -1 below.
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Olympiad Test: Human Body -1 - Question 1

Look at the map and answer the following questions:

Q. Which of the following are the most suitable terms for M and N?

Detailed Solution for Olympiad Test: Human Body -1 - Question 1

Correct Answer :- d

Explanation : The heart is located under the rib cage, to the left of the breastbone (sternum) and between the lungs. Your heart is an amazing organ. Shaped like an upside-down pear, this fist-sized powerhouse pumps five or six quarts of blood each minute to all parts of your body.

Olympiad Test: Human Body -1 - Question 2

The function of molar teeth can be best illustrated by the function of:

Detailed Solution for Olympiad Test: Human Body -1 - Question 2

he correct answer is b

 They can vary in size and shape but are the largest teeth in the mouth. Molars are rounded and used for grinding food into easily swallowed pieces. The smaller and sharper front teeth are used for biting and tearing food. Molars are designed to sustain great amounts of force from chewing, grinding, and clenching, and each molar is anchored to the jaw bone with two to four roots.

Olympiad Test: Human Body -1 - Question 3

________ carries oxygen to all parts of body.

Detailed Solution for Olympiad Test: Human Body -1 - Question 3

Blood carries oxygen to all body parts.

Olympiad Test: Human Body -1 - Question 4

The respiratory system in humans consists of:

Detailed Solution for Olympiad Test: Human Body -1 - Question 4

The respiratory system consists of all the organs involved in breathing. These include the nose, pharynx, larynx, trachea(wind pipe), bronchi and lungs.

Olympiad Test: Human Body -1 - Question 5

Which system do kidneys belong to?

Olympiad Test: Human Body -1 - Question 6

Soni got injured and her friend gave her an immediate first-aid treatment. She was made to lie down with her legs raised so that her head was lower than her body. Soni most likely:

Olympiad Test: Human Body -1 - Question 7

Which part of our body regulates our walking, talking, eating, etc.?

Detailed Solution for Olympiad Test: Human Body -1 - Question 7

The brain controls what you think and feel, how you learn and remember, and the way you move and talk. But it also controls things you're less aware of — like the beating of your heart and the digestion of your food.

Olympiad Test: Human Body -1 - Question 8

Which of the following activities will increase our heart rate?

Detailed Solution for Olympiad Test: Human Body -1 - Question 8

Running will increase our heart rate as it requires more energy from our body which need quick pumping of blood from the heart

Olympiad Test: Human Body -1 - Question 9

The following diagram represents an organ, which takes in oxygen and gives out carbon dioxide. Name the organ.

Olympiad Test: Human Body -1 - Question 10

The inner layer of the stomach releases:

Detailed Solution for Olympiad Test: Human Body -1 - Question 10

The innermost layer or lining (mucosa) contains the glands that release digestive juices which includes pepsin, chymotrypsin, hydrochloric acid etc. Hence, The inner layer of the stomach releases digestive juices.

Olympiad Test: Human Body -1 - Question 11

Digested food is absorbed by:

Olympiad Test: Human Body -1 - Question 12

Digested food is absorbed by blood in the:

Detailed Solution for Olympiad Test: Human Body -1 - Question 12

The small intestine absorbs digested food and send it to the blood in our body which transfer it to various parts of our body.

Olympiad Test: Human Body -1 - Question 13

In the figure given below, urine is stored in:

Detailed Solution for Olympiad Test: Human Body -1 - Question 13

S in the diagram represents Urinary Bladder where the urine is stored before releasing.

Olympiad Test: Human Body -1 - Question 14

Blood in our body is filtered by the:

Detailed Solution for Olympiad Test: Human Body -1 - Question 14

In our body, the dirty blood is filtered in the kidneys by the glomerulus present in them. In addition, kidneys regulate and filter minerals from blood.

Olympiad Test: Human Body -1 - Question 15

Which of the following organs is bean-shaped?

Detailed Solution for Olympiad Test: Human Body -1 - Question 15


An image of kidney (brown coloured)

Olympiad Test: Human Body -1 - Question 16

Which of the following systems is responsible for controlling all activities in the human body?

Detailed Solution for Olympiad Test: Human Body -1 - Question 16

Nervous system coordinates the activities of our body. It controls all our behaviour, thinking and actions. It is through nervous system only that all other systems of our body work. It passes information from one internal system to another.

Olympiad Test: Human Body -1 - Question 17

The two lower chambers of the heart are called:

Detailed Solution for Olympiad Test: Human Body -1 - Question 17


The two lower chambers are called ventricles

Olympiad Test: Human Body -1 - Question 18

Digestion is completed in the:

Olympiad Test: Human Body -1 - Question 19

Undigested solid waste is excreted through:

Olympiad Test: Human Body -1 - Question 20

An adult has ____ teeth.

Detailed Solution for Olympiad Test: Human Body -1 - Question 20

Adults have more teeth than children; most adults have 32 teeth.

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