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Questions and Answers
What are the three components of food?
What are the three components of food?
Carbohydrates, proteins, fats
Give an example of an animal that swallows the animals they prey upon.
Give an example of an animal that swallows the animals they prey upon.
Python
What is the mode of feeding of bees and hummingbirds?
What is the mode of feeding of bees and hummingbirds?
Sucking the nectar of plants
What is the mode of feeding of infants of humans and many other animals?
What is the mode of feeding of infants of humans and many other animals?
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List three examples of different ways of taking food into the body mentioned in the text.
List three examples of different ways of taking food into the body mentioned in the text.
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Why can complex substances like carbohydrates not be utilized as such in the body?
Why can complex substances like carbohydrates not be utilized as such in the body?
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What are the main steps of nutrition in humans?
What are the main steps of nutrition in humans?
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Where does the digestion of protein start in humans?
Where does the digestion of protein start in humans?
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How do ruminants like cows, buffaloes, and deer digest their food?
How do ruminants like cows, buffaloes, and deer digest their food?
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How does Amoeba ingest its food?
How does Amoeba ingest its food?
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What are the components that complete the digestion of all food components in the small intestine?
What are the components that complete the digestion of all food components in the small intestine?
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Where are water and some salts absorbed from the undigested food?
Where are water and some salts absorbed from the undigested food?
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What is the process called when grass-eating animals swallow food quickly and store it in the rumen?
What is the process called when grass-eating animals swallow food quickly and store it in the rumen?
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What is the condition where an individual may experience the need to pass watery stool frequently?
What is the condition where an individual may experience the need to pass watery stool frequently?
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What is recommended for a person suffering from diarrhoea before consulting a doctor?
What is recommended for a person suffering from diarrhoea before consulting a doctor?
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What type of carbohydrate is abundant in grass and is difficult for humans to digest?
What type of carbohydrate is abundant in grass and is difficult for humans to digest?
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What process involves the return of partially digested food to the mouth in small lumps for further chewing?
What process involves the return of partially digested food to the mouth in small lumps for further chewing?
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How can the excessive loss of water and salts from the body due to diarrhoea be managed?
How can the excessive loss of water and salts from the body due to diarrhoea be managed?
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Study Notes
Components of Food
- The three components of food are carbohydrates, proteins, and fats.
Modes of Feeding
- Bees and hummingbirds feed on nectar, a type of carbohydrate.
- Infants of humans and many other animals feed on milk, a type of liquid food.
Ways of Taking Food into the Body
- Swallowing whole prey, as seen in some animals.
- Ingesting nectar, as seen in bees and hummingbirds.
- Sucking milk, as seen in infants of humans and many other animals.
Nutrition in Humans
- Complex substances like carbohydrates cannot be utilized as such in the body because they need to be broken down into simpler molecules.
- The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation, and egestion.
- The digestion of protein starts in the stomach in humans.
Digestion in Ruminants
- Ruminants like cows, buffaloes, and deer digest their food in a four-chambered stomach, with the first chamber called the rumen.
- They swallow food quickly and store it in the rumen, a process called rumination.
Digestion in Amoeba
- Amoeba ingests its food through a process called phagocytosis, where the cell membrane engulfs the food particle.
Digestion in the Small Intestine
- The components that complete the digestion of all food components in the small intestine are enzymes and other digestive juices.
Absorption of Water and Salts
- Water and some salts are absorbed from the undigested food in the large intestine.
Diarrhoea
- Diarrhoea is a condition where an individual experiences the need to pass watery stool frequently.
- For a person suffering from diarrhoea, it is recommended to consume electrolyte-rich fluids like ORS (Oral Rehydration Solution) before consulting a doctor.
- The excessive loss of water and salts from the body due to diarrhoea can be managed by consuming electrolyte-rich fluids.
Cellulose
- Cellulose is a type of carbohydrate that is abundant in grass and is difficult for humans to digest.
Rumination
- Rumination is a process that involves the return of partially digested food to the mouth in small lumps for further chewing, as seen in ruminants like cows and deer.
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Description
Test your knowledge on how animals obtain food, nutrient requirements, food intake methods, and utilization processes according to Chapter 1 in the topic 'Nutrition in Animals'. This quiz covers the basics of animal nutrition and related concepts.
