Tag: energy from different food components

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Multiple choice biology health and hygiene - food for living energy from different food components nutritional requirements of the body need for nutrients

Energy value per gram of alcohol is

  1. $4\ kcal$
  2. $4.3\ kcal$
  3. $9.3\ kcal$
  4. $7.1\ kcal$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Just like any food or drink, alcoholic drinks contain energy or calories. There are 7 calories per gram of alcohol (29kJ). A 'standard' alcoholic drink or 'unit' contains 8 grams of alcohol, which is equal to 56 calories from the alcohol alone. 

So, the correct answer is '7.1 kcal'.

Multiple choice biology health and hygiene - food for living energy from different food components nutritional requirements of the body need for nutrients

Which is useful in human beings?

  1. Cholesterol

  2. Animal fat

  3. High density lipoprotein cholesterol

  4. Low density lipoprotein cholesterol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Molecules called lipoproteins to carry cholesterol in the blood. Two important kinds of lipoproteins are low-density lipoprotein (LDL) and high-density lipoprotein (HDL). LDL cholesterol is often referred to as "bad cholesterol" because too much is unhealthy. HDL is often referred to as “good cholesterol” because it is protective.

So, the correct answer is 'High-density lipoprotein cholesterol'.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

Dietary fibers are composed of

  1. Cellulose

  2. Amylase

  3. Proteins

  4. Unsaturated fats
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Fiber is the indigestible part of plant foods that travels through the digestive system and absorbs the water along the way.
  • It is also known as roughage.
  • Dietary fiber contains non-starch polysaccharides such as cellulose, dextrins, inulin, lignin, beta-glucans, and waxes. 
So, the correct answer is 'Cellulose'.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

The major components of food which is required by the body for wear and tear is _________

  1. Vitamins

  2. Minerals

  3. Salt

  4. Protein
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Proteins are called the building blocks of body. They are needed for growth and development and to repair the normal wear and tear of the body. The body needs to digest proteins to make them available to fulfill these functions. Protein is the important part of the diet as it helps in building muscles. Hence, proteins are the major components of food which is required by the body for wear and tear.

So, the correct answer is 'Protein'.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components
A B
Spinach Roughage
Milk Iodine
Salt Iron
Whole grain Calcium

  1. i-d, ii-a, iii-c, iv-d

  2. i-d, ii-c, iii-a, iv-b

  3. i-c, ii-a, iii-d, iv-b

  4. i-c, ii-d, iii-b, iv-a
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

(i)Spinach-(c)iron -Spinach is an extremely nutrient-rich vegetable. It is a rich source of vitamin A, vitamin C, vitamin K, magnesium, manganese, iron. Spinach contains iron absorption inhibiting-substance, oxalate which can bind to the iron to form ferrous oxalate.

(ii)Milk-(d)calcium -Milk and other dairy products are sources of calcium. Calcium is a mineral that the body needs for numerous functions, including building and maintaining bones and teeth, blood clotting, the transmission of nerve impulses, and the regulation of the heart’s rhythm.
(iii)Salt-(b)iodine-Table salt contains a minute amount of the element iodine. Iodine intake in form of iodised salt prevents iodine deficiency. This deficiency may cause thyroid gland problems,
(Iv)Whole grain-(a)roughage-Fibre, also known as roughage, is the part of plant-based foods (grains, fruits, vegetables, nuts, and beans) that the body can't break down.
So, the correct option is 'i-c, ii-d, iii-b, iv-a'.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

Fibre in diet can be obtained through

  1. Vegetables

  2. Fruits

  3. Cereals

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Good sources include wheat bran, corn bran, rice bran, the skins of fruits and vegetables, nuts, seeds, dried beans and wholegrain foods. Most plant-based foods, such as oatmeal and beans, contain both soluble and insoluble fiber. The fibers helps to increase bowel movement and helps in digestion. So, the correct option is 'All of the above'.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

Some fruits and raw vegetables should be included in the diet because 

  1. Vitamin A is present in this fruits and vegetables.

  2. Minerals are present only in raw vegetables.

  3. Vitamin C present in this food gets destroyed on cooking.

  4. Starch is not present in this food.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Vitamin C is a water-soluble vitamin. So it gets passed out of the body through urine and sweat. Even if it is taken as in cooked food, it gets destroyed on cooking. So it is required to include raw fruits and vegetables in the diet.
So the correct answer is 'Vitamin C present in this food gets destroyed on cooking'.
Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

Which ones function as regulators?

  1. Carbohydrates

  2. Lipids

  3. Proteins

  4. Vitamins and minerals
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamins and minerals function as regulators in growth and development process in living being. They also act as catalyst for various processes. Vitamin D acts as regulator in mineral metabolism. Some forms of vitamin A acts as regulator in growth and differentiation process. Minerals are part of enzymes that are part of many physiological processes.

Thus, the correct answer is option D.

Multiple choice evs food components simple test for nutrients test for nutrients energy from different food components

The food sources which are rich in vitamins are 

  1. Eggs

  2. Lemon

  3. Fish oil

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Eggs also called as referred as nature's multivitamin due to the presence of vitamins. One large egg contain vitamin B like: B12, B2, B5 and vitamin A.  
Lemon is a good source of vitamin C which is also called ascorbic acid. Whereas fish oil contain vitamin A and D. 
So the correct answer is 'All of the above'.