Tag: health and hygiene - food for living

Quizzes (34) Questions (14)

Questions Related to health and hygiene - food for living

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 biology health and hygiene - food for living minerals and vitamins nutrition and diet role of various nutrients

Steroid is a/an

  1. Cholesterol

  2. Vitamin

  3. Organic compound

  4. Fatty acid ester
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Steroids like cholesterol are crystallisable lipids having four hydrocarbon rings (phenanthrene, consisting of three cyclohexane and one cyclopentane) and a long hydrocarbon side chain. Fatty acids are absent. Sterols are precursors of steroid hormone and vitamin D. They are essential for plant growth and flowering. Cholesterol forms bile salts and hence, essential for absorption of fatty acids.