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CBSE Class 7  >  Class 7 Test  >  Science (Old NCERT)  >  Test: Nutrition in Animals - Class 7 MCQ

Nutrition in Animals - Class 7 Science Free MCQ Test with solutions


MCQ Practice Test & Solutions: Test: Nutrition in Animals (15 Questions)

You can prepare effectively for Class 7 Science Class 7 (Old NCERT) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Nutrition in Animals". These 15 questions have been designed by the experts with the latest curriculum of Class 7 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 15

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

Test: Nutrition in Animals - Question 1
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Our mouth has __________ glands which secrete saliva.

Detailed Solution: Question 1

Salivary glands in our mouth produce saliva. Saliva helps in breaking down food while chewing and swallowing. It also contains enzymes that start the digestion process.

Test: Nutrition in Animals - Question 2
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Bile is produced in

Detailed Solution: Question 2

Production of Bile in the Liver
- The liver is the primary organ responsible for the production of bile in the human body.
- Bile is a yellow-green fluid that aids in the digestion and absorption of fats in the small intestine.
- Hepatocytes, the main functional cells of the liver, synthesize bile by extracting waste products, cholesterol, and other substances from the blood.
- Bile is then stored and concentrated in the gallbladder before being released into the small intestine to help with the digestion of fats.

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Test: Nutrition in Animals - Question 3
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What are the two different sets of teeth that humans have?

Detailed Solution: Question 3

  • Humans have two sets of teeth.
  • The first set is called milk teeth, which we get when we are babies.
  • These teeth fall off when we are around six to eight years old.
  • The second set that grows in place of the milk teeth are called permanent teeth.
  • These teeth can last for a long time or fall off when we get old or if we have some problems with our teeth.
  • So, remember, we have milk teeth first, and then we get our permanent teeth.

Test: Nutrition in Animals - Question 4
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The stomach is a thick-walled bag that receives food from the food pipe at one end and opens into the ____ at the other.

Detailed Solution: Question 4

The stomach receives food from the food pipe and opens into the small intestine at the other end for further digestion and absorption of nutrients.

Test: Nutrition in Animals - Question 5
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What process allows digested food to pass into the blood vessels in the wall of the intestine?

Detailed Solution: Question 5

The Correct Option is d: Absorption

The process of digested food passing into the blood vessels in the wall of the intestine is called Absorption.
During digestion, food is broken down into smaller molecules that can be absorbed and used by the body for energy and other functions. After digestion takes place in the stomach and small intestine, the resulting nutrients, such as glucose, amino acids, and fatty acids, need to be transported into the bloodstream so that they can be distributed to various cells and tissues in the body.

Test: Nutrition in Animals - Question 6
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The acid present in the stomach:

Detailed Solution: Question 6

'Hydrochloric acid' (HCL) is an acid that is secreted in the stomach. It helps to kill the harmful bacteria that may enter with food.

Test: Nutrition in Animals - Question 7
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What does saliva do to food?

Detailed Solution: Question 7

Saliva helps in breaking down the starch in food into sugars. This makes it easier for our bodies to digest the food we eat. So, saliva plays an important role in making food easier for our bodies to use for energy.

Test: Nutrition in Animals - Question 8
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Which part of the body is responsible for carrying food from the mouth to the stomach?

Detailed Solution: Question 8

Oesophagus is the part of the body which is responsible for carrying food from the mouth to the stomach. It is also commonly known as Food Pipe.

Test: Nutrition in Animals - Question 9
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What is the role of villi in the intestine?

Detailed Solution: Question 9

The correct answer is B: To absorb food in the small intestine.

  • Structure: Villi are tiny, finger-like projections lining the walls of the small intestine.
  • Function: They increase the surface area for nutrient absorption significantly.
  • Efficiency: The increased surface area allows for more nutrients to be absorbed quickly and efficiently.

This process is vital for delivering nutrients throughout the body.

Test: Nutrition in Animals - Question 10
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Which of the following are the main steps of nutrition in humans?

Detailed Solution: Question 10

The correct sequence of the main steps of nutrition in humans is:

- Ingestion: Intake of food
- Digestion: Breakdown of food into smaller molecules
- Absorption: Passage of digested food molecules into the bloodstream
- Assimilation: Utilization of absorbed nutrients by cells
- Egestion: Elimination of undigested waste

This order ensures that nutrients are extracted from food, absorbed, utilized by the body, and waste is removed efficiently.

Test: Nutrition in Animals - Question 11
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What is the largest gland in the human body?

Detailed Solution: Question 11

Correct Answer- Option B

  • Liver is the largest gland in the human body 
  • It plays a crucial role in metabolism, detoxification, protein synthesis, and storage of vitamins and minerals.
  • It is situated in the upper part of the abdomen on the right side.

Test: Nutrition in Animals - Question 12
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What is the primary characteristic of diarrhoea?

Detailed Solution: Question 12

Diarrhoea is primarily characterized by the presence of watery stool, which is a key indicator of the condition.

Test: Nutrition in Animals - Question 13
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Ingestion is the process in which an organism _________.

Detailed Solution: Question 13

Ingestion is the first step of nutrition. It refers to the process of taking food into the body through the mouth before digestion begins.

Test: Nutrition in Animals - Question 14
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Amoeba obtains food using a finger-like projection called _________.

Detailed Solution: Question 14

Amoeba uses finger-like projections called pseudopodia to surround and engulf food particles. These projections also help the organism in movement.

Test: Nutrition in Animals - Question 15
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What is the structure of Amoeba’s body?

Detailed Solution: Question 15

Amoeba is a unicellular organism. Its body consists of a cell membrane enclosing cytoplasm, a nucleus, and vacuoles. It does not have a fixed shape and changes its form using pseudopodia.

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About this Class 7 Practice Test

This test contains 15 MCQs on Nutrition in Animals with detailed solutions for each question. It is part of the Science Class 7 (Old NCERT) course on EduRev, designed to align with the current Class 7 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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