UNIT 5: Human Physiology
NCERT Chapter 16: Digestion and Absorption
FAQs or Question answers from the “Introduction Part” 👇👇
🔰 Also Read: Digestive Glands FAQs: Based on NCERT
Q1. What are the basic requirements of living organisms?
Ans. Food is one of the basic requirements for all living organisms.
Q2. What are the major components of our food?
Ans: The major components of our food are carbohydrates, proteins, and fats.
Q3. Do we need vitamins and minerals in our diet?
Ans: Yes, vitamins and minerals are required in small quantities.
Q4. What role does food play in our bodies?
Ans: Food provides energy and organic materials for the growth and repair of tissues.
Q5. How do carbohydrates contribute to our diet?
Ans: Carbohydrates are a major source of energy in our food.
Q6. What is the importance of proteins in our diet?
Ans: Proteins are essential for the growth and repair of tissues.
Q7. Why are fats necessary in our diet?
Ans: Fats provide energy and support cell growth.
Q8. What are vitamins and why are they important?
Ans: Vitamins are organic compounds required in small quantities for various bodily functions and maintaining health.
Q9. How do minerals benefit our health?
Ans: Minerals are essential nutrients that support processes such as bone health, nerve function, and muscle contraction.
Q10. What happens if we don’t consume enough food?
Ans: Inadequate food intake can lead to malnutrition, energy deficiency, and impaired growth and repair of tissues.
Q11. Can we get all our nutritional needs from one food group?
Ans: No, a balanced diet that includes various food groups is necessary to meet all nutritional needs.
Q12. What is malnutrition?
Ans: Malnutrition is a condition that occurs when the body does not get enough nutrients, leading to health problems.
Q13. How do different food components work together?
Ans: Carbohydrates, proteins, and fats work together to provide energy and support various bodily functions.
Q14. Are there specific foods that are rich in carbohydrates?
Ans: Yes, foods such as grains, fruits, and vegetables are rich in carbohydrates.
Q15. What foods are good sources of protein?
Ans: Good sources of protein include meat, fish, eggs, dairy products, legumes, and nuts.
Q16. Which foods contain healthy fats?
Ans: Healthy fats can be found in foods like avocados, nuts, seeds, and olive oil.
Q17. How can we ensure we are getting enough vitamins and minerals?
Ans: Eating a diverse and balanced diet that includes fruits, vegetables, whole grains, and lean proteins can help ensure adequate intake of vitamins and minerals.
Q18. Is it possible to have too much of certain nutrients?
Ans: Yes, excessive intake of certain nutrients, particularly vitamins and minerals, can lead to toxicity and health issues.
Q19. What is the significance of food for growth and repair?
Ans: Food provides the necessary building blocks (organic materials) that the body uses to grow and repair tissues.
Q20. How can one assess their dietary needs?
Ans: Consulting with a healthcare provider or a nutritionist can help assess dietary needs and create a balanced meal plan.
Q21: What role does water play in the body?
Answer: Water plays an important role in metabolic processes and prevents dehydration of the body.
Q22: Can our body use biomacromolecules in their original form?
Answer: No, biomacromolecules in food cannot be utilized by our body in their original form.
Q23: What must happen to biomacromolecules before they can be used by the body?
Answer: They have to be broken down and converted into simple substances in the digestive system.
Q24: What is the process of converting complex food substances into simple forms called?
Answer: The process is called digestion.
Q25: How is digestion carried out in the body?
Answer: Digestion is carried out by our digestive system using mechanical and biochemical methods.
Q26: Why is digestion necessary for our body?
Answer: Digestion is necessary because it converts complex food substances into simple absorbable forms.
Q27: What happens if the body does not get enough water?
Answer: If the body does not get enough water, it can lead to dehydration.
Q28: What types of methods are used in the digestive process?
Answer: Mechanical and biochemical methods are used in the digestive process.
Q29: What are biomacromolecules?
Answer: Biomacromolecules are large complex molecules found in food that need to be broken down for the body to utilize them.
Q30: What is the significance of digestion in nutrition?
Answer: Digestion is significant in nutrition because it allows the body to absorb essential nutrients from food.
