Nutrition in Animals Quiz - CBSE Class 7 Science

Free practice quiz: Nutrition in Animals (CBSE Class 7 Science). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 7 Science practice quiz has 20 multiple-choice questions on Nutrition in Animals, and 20 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which part of the digestive system is mainly responsible for the absorption of nutrients?

   1. Stomach
   2. Small intestine
   3. Large intestine
   4. Esophagus
   Show answer

   Answer: B. Small intestine

   The small intestine is where most of the digestion and absorption of nutrients occur.

2. Which organ produces bile?

   1. Pancreas
   2. Liver
   3. Stomach
   4. Kidney
   Show answer

   Answer: B. Liver

   The liver produces bile, which helps in the emulsification of fats.

3. What type of animal has a ruminant digestive system?

   1. Cow
   2. Dog
   3. Horse
   4. Cat
   Show answer

   Answer: A. Cow

   Cows are ruminants, meaning they have a complex stomach with multiple chambers (such as the rumen) for digesting plant-based food.

4. How are nutrients transported from the small intestine to the rest of the body?

   1. Via nerve cells
   2. Via blood vessels
   3. Via the respiratory system
   4. Via muscle tissue
   Show answer

   Answer: B. Via blood vessels

   Nutrients absorbed in the small intestine enter the bloodstream through blood vessels and are transported to cells.

5. Which protein is crucial for the clotting of blood during digestion-related injuries?

   1. Albumin
   2. Globulin
   3. Fibrinogen
   4. Collagen
   Show answer

   Answer: C. Fibrinogen

   Fibrinogen is a blood plasma protein that's essential for the blood clotting process.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What is the primary function of the stomach in animal nutrition?
2. Which enzyme starts the digestion of starch in the mouth?
3. What is peristalsis?
4. What role do villi play in the small intestine?
5. What is the function of the enzyme pepsin?
6. Which structure prevents food from entering the windpipe?
7. Which acid is found in the stomach that aids in digestion?
8. Why is fiber important in an animal's diet?
9. Which part of the digestive system is responsible for water absorption?
10. Why do carnivores have a shorter digestive tract compared to herbivores?
11. What is the purpose of the pancreas in digestion?
12. What is assimilation in the context of animal nutrition?
13. What happens during the emulsification of fats?
14. How does the structure of the digestive systems differ between carnivores and herbivores?
15. What is the role of hydrochloric acid in activating pepsin?

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