Class 7 Exam > Class 7 Notes > Science Class 7 > Worksheet: Nutrition in Animals
Nutrition in Animals Class 7 Worksheet Science Chapter 2
Q.1. True/False
(i) Digestion of starch starts in the stomach.
(ii) The tongue helps in mixing food with saliva.
(iii) The gall bladder temporarily stores bile.
(iv) The ruminants bring back swallowed grass into their mouth and chew it for some time.
(v) We chew the food with the teeth and break it down mechanically into small pieces.
(vi) Large intestine receives digested and absorbed food.
Q.2. Fill in the blanks.
(i) The main steps of nutrition in humans are ____, ____, ____, ____ and ____.
(ii) The largest gland in the human body is ____.
(iii) The stomach releases hydrochloric acid and ____ juices which act on food.
(iv) The inner wall of the small intestine has many finger-like outgrowths called ____.
(v) Amoeba digests its food in the food ____.
(vi) We chew the food with the ____ and break it down mechanically into small pieces.
Q.3. Where are fats digested in the body?
Q.4. What kills bacteria that enter along with the juices to act?
Q.5. Where are faeces formed in the human body?
Q.6. Where food is absorbed in our body?
Q.7. Where faeces are stored?
Q.8. Name the end products of fats.
Q.9. What is ingestion?
Q.10. What does saliva do to food in our mouth?
Q.11. What is rumen?
Q.12. What are permanent teeth?
Q.13. What does animal nutrition include?
Q.14. What are the different modes of feeding in animals?
Q.15. What is diarrhoea?
Q.16. What do you mean by assimilation?
Q.17. What are ruminant animals?
Q.18. What do pancreatic juices digest?
Q.19. What is cud?
Q.20. What do you mean by rumination?
You can find Worksheets Solutions here: Worksheet Solutions: Nutrition in Animals
The document Nutrition in Animals Class 7 Worksheet Science Chapter 2 is a part of the Class 7 Course Science Class 7.
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FAQs on Nutrition in Animals Class 7 Worksheet Science Chapter 2
| 1. What is the importance of nutrition in animals? |  |
Ans. Nutrition is crucial for animals as it provides them with the necessary energy and nutrients for growth, development, and maintenance of their bodies. It helps in maintaining their overall health, supporting their immune system, and enabling them to carry out essential physiological functions.
| 2. What are the different types of nutrition in animals? | |
Ans. Animals have different types of nutrition based on their dietary habits. Herbivores primarily consume plant material, carnivores feed on other animals, and omnivores have a diet that includes both plant and animal matter. There are also scavengers that feed on decaying organic matter and detritivores that consume detritus and dead organic material.
| 3. How do animals obtain nutrients from their food? | |
Ans. Animals obtain nutrients from their food through the process of digestion. In the digestive system, food is broken down into smaller molecules by mechanical and chemical processes. These molecules are then absorbed into the bloodstream and transported to various cells and tissues in the body, where they are utilized for energy, growth, and repair.
| 4. What are essential nutrients in animal nutrition? | |
Ans. Essential nutrients are those that animals need to obtain from their diet as their bodies cannot synthesize them in sufficient quantities. These include essential amino acids, essential fatty acids, vitamins, and certain minerals. Lack of these essential nutrients can lead to nutritional deficiencies and health problems in animals.
| 5. How does the digestive system of animals work? | |
Ans. The digestive system of animals consists of various organs involved in the process of digestion. It starts with the ingestion of food, followed by mechanical and chemical digestion in the mouth and stomach. The small intestine is responsible for absorption of nutrients, while the large intestine absorbs water and eliminates waste products. The digestive system works in coordination with accessory organs like the liver and pancreas to ensure efficient digestion and absorption of nutrients.
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