Primary Level Science Quiz

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1/10 Questions

Which nutrient gives more energy when compared to carbohydrates?
- Vitamins
- Fat
- Proteins
- Option 4

About This Quiz

Science is one of the most important subjects taught in school. This quiz is especially designed for kids of primary grade studying science. This has some primary-level science questions, and use this as a preparation for an upcoming exam or a test. All the best!
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2.

Proteins are the building blocks of our body.
- True
- False
Correct Answer

A. True

Explanation

Proteins are essential macromolecules that play a crucial role in the structure and function of our body. They are involved in various biological processes and are responsible for building and repairing tissues, producing enzymes and hormones, and supporting the immune system. Therefore, it is correct to say that proteins are the building blocks of our body.

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4
3.

Water - soluble vitamin
- Vitamin D
- Vitamin A
- Vitamin E
- Vitamin B
Correct Answer

A. Vitamin B

Explanation

Vitamin B is the correct answer because it is a water-soluble vitamin. Water-soluble vitamins are easily dissolved in water and are not stored in the body, so they need to be consumed regularly through the diet. Vitamin D, Vitamin A, and Vitamin E are all fat-soluble vitamins, meaning they are absorbed and stored in fat cells in the body.

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3
4.

There are 23 known vitamins
- True
- False
Correct Answer

A. False

Explanation

The statement "There are 23 known vitamins" is false. In reality, there are only 13 essential vitamins that are recognized by the scientific community. These essential vitamins include vitamin A, vitamin C, vitamin D, vitamin E, vitamin K, and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, vitamin B12, and folate). While there are other compounds that may be referred to as vitamins by some, the commonly accepted number of essential vitamins is 13.

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3
5.

Dietary fibre is also known as
- Carbohydrates
- Minerals
- Roughage
- Option 4
Correct Answer

A. Roughage

Explanation

Dietary fiber is commonly referred to as roughage because it consists of plant-based substances that cannot be fully digested by the human body. It adds bulk to the diet, aids in digestion, and helps prevent constipation. Roughage is an important component of a healthy diet as it promotes regular bowel movements and contributes to overall gut health.

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2
6.

60 – 70 % of our body is made up of water.
- True
- False
Correct Answer

A. True

Explanation

Our body is made up of a significant amount of water, ranging from 60-70%. Water is essential for various bodily functions, including digestion, circulation, and temperature regulation. It helps transport nutrients, remove waste, and lubricate joints. Adequate hydration is crucial for maintaining overall health and well-being.

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7.

Babies have around 100 more bones than adults.
- True
- False
Correct Answer

A. True

Explanation

Babies have around 300 bones at birth, while adults have around 206 bones. As babies grow, some of their bones fuse together, resulting in a decrease in the total number of bones. Therefore, it is true that babies have around 100 more bones than adults.

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3
8.

Rain contains vitamin D
- True
- False
Correct Answer

A. False

Explanation

Rain contains vitamin B12.

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2
9.

Tomatoes are fruit.
- True
- False
Correct Answer

A. True

Explanation

Tomatoes are classified as fruit because they develop from the ovary of a flower and contain seeds. Although commonly thought of as a vegetable due to their culinary uses, scientifically, they meet the criteria to be considered a fruit. Fruits are the mature ovaries of flowering plants that contain seeds, and tomatoes fit this definition. Therefore, the correct answer is true.

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10.

Unsaturated fats are usually ---------- at room temperature.
- Liquid
- Solid
Correct Answer

A. Liquid

Explanation

Unsaturated fats are usually liquid at room temperature because they have double bonds in their carbon chains. These double bonds introduce kinks in the structure of the fat molecules, preventing them from packing tightly together. As a result, unsaturated fats have a lower melting point and remain in a liquid state at room temperature. In contrast, saturated fats lack double bonds and have a straighter structure, allowing them to pack tightly and solidify at room temperature.

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1

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Mar 22, 2023

Quiz Edited by
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Apr 22, 2021

Quiz Created by
Alfredhook3

Primary Level Science Quiz

Which nutrient gives more energy when compared to carbohydrates?

Quiz Preview

Proteins are the building blocks of our body.

Water - soluble vitamin

There are 23 known vitamins

Dietary fibre is also known as

60 – 70 % of our body is made up of water.

Babies have around 100 more bones than adults.

Rain contains vitamin D

Tomatoes are fruit.

Unsaturated fats are usually ---------- at room temperature.