Food, Nutrition and Digestion
Knowledge-based Questions & Answers:
Ques-1. What is dieback?
Ans: Dieback is a plant disease caused due to the deficiency of sulfur.
Ques-2. What is the principal element of chlorophyll?
Ans: Nitrogen and magnesium are the principal elements of chlorophyll.
Ques-3. How many essential mineral nutrients are there for plants?
Ans: There are a total of 16 mineral nutrients that are essential for plants.
Ques-4. Name the macro mineral nutrients that are needed in plants.
Ans: Macro mineral nutrients of plants are – nitrogen, potassium, phosphorus, calcium, magnesium, carbon, hydrogen, oxygen, sulfur and iron.
Ques-5. What is microelement?
Ans: Elements that are required in very tiny amounts to ensure the growth of plants, are known as microelements.
Ques-6. Which type of food supplies nitrogen in the body?
Ans: Proteinous food supplies nitrogen in the body.
Ques-7. What is fruit sugar?
Ans: Some sweet fruits like mango, papaya, banana, orange etc., and their honey contain fructose which is known as fruit sugar.
Ques-8. What is roughage?
Ans: Roughage is the indigestible fibrous portion of grains, fruits and vegetables.
Ques-9. What is food?
Ans: Substances that are digested after being eaten and can perform various functions within the body, are known as food.
Ques-10. Where is bile juice produced?
Ans: Bile juiced is produced in the liver.
Ques-11. Write the full form of INFS.
Ans: The full form of INFS is – The Institute of Nutrition and Food Science.
Ques.-12. What is ulcer?
Ans: Ulcer is one kind of sore of any epithelium tissue.
Ques-13. What is goiter?
Ans: Goiter is a disease of the thyroid glands that is caused due to the deficiency of iodine in the body.
Ques-14. What is simple goiter?
Ans: Simple goiter is a disease characterized by swollen thyroid gland due to the deficiency of iodine.
Ques-15. What is the daily calorie intake requirement of an adult human?
Ans: An adult human requires 2000 to 2500 kilocalories to be intaken daily.
Ques-16. How much kilocalorie energy we get from 100 gm beef?
Ans: We get 114 kilocalorie energy from 100 gm beef.
Ques-17. Write the formula for BMI.
Ans: The formula for calculating BMI is Body weight (kg)/Height of the body.
Ques-18. What is BMR?
Ans: BMR is the indicator of the amount of energy that is spent by human body while at full rest.
Ques-19. What is food calorie?
Ans: Amount of heat that is required to increase the temperature of 1 kilogram water by 1 degree centigrade, is known as 1 food calorie.
Ques-20. What is BMI?
Ans: BMI or Body Mass Index is an indicating measurement of body fat and shape.
Ques-21. What is assimilation?
Ans: The process of producing assimilation energy -ATP and NADPH, is known as assimilation.
Ques-22. What are villi?
Ans: Villi are the finger-like projections situated at the inner wall of small intestine and they are rich in blood vessels.
Ques-23. What is dyspepsia?
Ans: Dyspepsia is the obstruction caused in the digestion of food within the digestive tract.
Ques-24. What is digestive juice?
Ans: Digestive juice is the gastric juice secreted from gastric glands.
Ques-25. Pepsin transforms protein into what?
Ans: Pepsin transforms protein into polypeptide.
Ques-26. What is constipation?
Ans: Constipation is the condition when the stool becomes very hard or when an individual faces difficulty in passing stool for two days or more.
Ques-27. What is peptic ulcer?
Ans: Peptic ulcer is the ulcer of any part of the gastrointestinal tract.