NUTRIENTS
VITAMINS & MINERALS
DIGESTION
DISEASES
TRICKY QUESTIONS
100

“Proteins are the main energy source”

            Correct it.               

Carbohydrates are the main energy source.

100

“Vitamin C helps calcium absorption”

Vitamin D deficiency causes rickets; iron deficiency causes anaemia.

100

“Water must be digested before absorption”

Water is absorbed directly without digestion.

100

“Kwashiorkor is caused by lack of vitamins”

It is caused by severe lack of energy and nutrients.

100

“Water makes up 30% of the body”

About 70%

200

“Fats give the least energy”
     Why is this wrong?

Fats give the MOST energy per gram.

200

“Calcium is only for bones”

Calcium is also needed for muscle contraction and nerve function.

200

“Proteins are absorbed without digestion”

Proteins must be digested into amino acids.

200

“Constipation is caused by too much fibre”

It is caused by lack of fibre.

200

“Lipids are only for energy storage”

Also insulation and protection.

300

“Fibre provides energy”
    Fix the statement.

Fibre helps movement of food in the gut, not energy.

300

“Iron deficiency causes rickets”

Vitamin D deficiency causes rickets; iron deficiency causes anaemia.

300

“Fibre is digested in the stomach”

Fibre is not digested; it passes through the gut.

300

“Obesity has no health risks”

It leads to diseases like diabetes and heart disease.

300

“Humans are autotrophic”

Humans are heterotrophic.

400

“Vitamins provide energy”
 Explain the mistake.

Vitamins do not provide energy; they regulate body processes.

400

“Vitamins are needed in large amounts”

Vitamins are needed in small amounts.

400

“Glucose needs digestion”

Glucose does NOT need digestion.

400

“Scurvy causes weak bones”

Scurvy causes bleeding gums; rickets causes weak bones.

400

“Balanced diet means eating a lot of food”

It means correct proportions of nutrients.

500

“All carbohydrates release energy quickly”
Correct this.

Some (like starch) release energy slowly.

500

“Vitamin D deficiency causes scurvy”

Vitamin C deficiency causes scurvy.

500

“Digestion only happens in the stomach”

Digestion occurs in mouth, stomach, and small intestine.

500

“Marasmus is caused by too much fat”

It is caused by severe lack of energy and nutrients.

500

“All fats are bad”

Some fats are essential for health.

M
e
n
u