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FAQs on Chapter 2 : Nutrition in Animals - PowerPoint Presentation, Class 7, CBSE

1. What is the importance of nutrition in animals?
Ans. Nutrition is essential for animals to survive and grow. The food they consume provides them with energy, helps in the repair and maintenance of body tissues, and aids in the proper functioning of various organ systems. Proper nutrition also helps animals develop immunity against diseases and resist environmental stress.
2. What are the different types of nutrients required by animals?
Ans. Animals require six types of nutrients, namely carbohydrates, proteins, fats, vitamins, minerals, and water. Carbohydrates and fats provide energy, while proteins are required for growth and repair of tissues. Vitamins and minerals are essential for various metabolic processes, and water is necessary for maintaining body temperature and transporting nutrients.
3. How do herbivores and carnivores differ in their nutritional requirements?
Ans. Herbivores and carnivores have different digestive systems and hence require different types of nutrients. Herbivores have a longer digestive tract and specialized digestive enzymes that allow them to digest cellulose, which is present in plant cell walls. Carnivores, on the other hand, have a shorter digestive tract and require more protein and fat in their diet.
4. What are the consequences of malnutrition in animals?
Ans. Malnutrition in animals can lead to various health problems such as stunted growth, reduced fertility, weakened immune system, and increased susceptibility to diseases. It can also affect their behavior and reduce their ability to adapt to changing environmental conditions.
5. What are some common factors that affect the nutritional requirements of animals?
Ans. The nutritional requirements of animals can be affected by various factors such as age, sex, size, activity level, and physiological status. For example, young animals require more protein and energy for growth, while pregnant or lactating animals need more nutrients to support fetal development or milk production. Environmental factors such as temperature, humidity, and altitude can also affect the nutritional needs of animals.
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