Solved Questions on Sources and Components of Food
1. Annie wants to prepare a protein-rich meal. Which of the following food combinations would be a good choice?
a) Salad with mixed greens and dressing
b) Grilled chicken breast with steamed broccoli
c) Pasta with tomato sauce and Parmesan cheese
d) French fries with ketchup
Answer: b) Grilled chicken breast and steamed broccoli contain a good amount of protein with minimal fat. This food combination offers a balanced protein-rich meal.
2. Consider the following clues and identify the mineral:
Clue 1: It is important for the proper functioning of the nervous system.
Clue 2: It is found in common salt.
Clue 3: Its deficiency can lead to nausea, irritability, and dehydration.
a) Calcium
b) Iron
c) Sodium
d) Phosphorus
Answer: c) Sodium plays a crucial role in maintaining the proper functioning of the nervous system and its deficiency can cause symptoms like nausea, irritability, and dehydration.
3. A student wants to test for the presence of fats in a food sample. Which of the following method should they use?
a) Adding iodine solution
b) Crushing the food sample with paper
c) Adding copper sulphate solution
d) Mixing with water and caustic soda solution
Answer: b) By crushing the food sample and observing if it leaves an oily patch on the paper, one can determine the presence of fats.
4. Which nutrient would be most beneficial for providing sustained energy during a long-distance running race?
a) Carbohydrates
b) Fats
c) Proteins
d) Minerals
Answer: a) Carbohydrates are the primary source of energy for the body, and they provide sustained energy during endurance activities like long-distance running.
5. Match the following vitamins with their main functions.
|
Column I
|
Column II
|
|
1. Vitamin A
|
A) Promotes calcium absorption and bone health.
|
|
2. Vitamin C
|
B) Essential for vision and maintenance of healthy skin.
|
|
3. Vitamin D
|
C) Supports the immune system and keeps gums healthy.
|
|
4. Vitamin K
|
D) Plays a role in blood clotting.
|
a) 1:D, 2:C, 3:A, 4:B
b) 1:B, 2:C, 3:A, 4:D
c) 1:C, 2:A, 3:D, 4:B
d) 1:A, 2:B, 3:C, 4:D
Answer: b) Vitamin A is essential for vision and the maintenance of healthy skin.
Vitamin C supports the immune system and keeps gums healthy.
Vitamin D promotes calcium absorption and bone health.
Vitamin K plays a role in blood clotting.
FAQs
1. What are the primary sources of food for humans?
Humans derive their food from various sources, including plants and animals. Common sources include fruits, vegetables, grains, meat, and dairy products.
2. Why are proteins important, and what are some protein-rich foods?
An essential function of proteins is to generate and repair tissues. Good sources of protein include meat, fish, eggs, beans, and nuts.
3. What are fats, and what role do they play in our diets?
Fats are necessary for the storage of energy and the uptake of certain vitamins. Good fat sources include nuts, avocados, olive oil, and fatty seafood.
4. What is the effect of what we consume on our general health?
The food we eat has a direct impact on our overall health, both mental and physical. To stay healthy, a balanced diet full of different nutrient-rich foods is essential.
5. What function do fruits and vegetables play in our diet, and why are they important?
Essential vitamins, minerals, and fibre can all be found in fruits and vegetables. They improve overall wellness and help in preventing illnesses.
