Tag: nutritional requirements of the body

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Questions Related to nutritional requirements of the body

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

A genus of ornamental plants which is being cultivated for extracting an important edible oil from its Cypsela fruits is

  1. Helianthus

  2. Brassica

  3. Sesamum

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

Sunflower/Helianthus annus is the ornamental plant that is cultivated commercially for the extraction of sunflower oil. The oil is extracted from its cypsela fruits.

So the correct option is A.

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

Ground nut oil is a

  1. Non-drying oil

  2. Essential oil

  3. Drying oil

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A non-drying oil is the one which does not harden when exposed to air whereas drying oil hardens through polymerization.

The non-drying oils include almond oil, coconut oil, groundnut oil etc and the drying oils include poppy seed oil, walnut oil, linseed oil, etc.
So the correct option is A.

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

The fleshy mesomorph of a plant is the source of palm oil which is now in common use as an edible oil. This plant is known by the botanical name

  1. Metroxylon rumphii

  2. Elaeis guineensis

  3. Phoenix sylvestris

  4. Calamus rotung
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Palm oil is derived from the mesocarp of the fruit named Elaeis guineensis which is an African oil palm.

So the correct option is B.

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'.