IGCSE Biology Paper-3: Specimen Questions with Answers 356 - 356 of 358

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A balanced diet contains seven different groups of substances.

Three of these groups of substances are fats, fiber (roughage) and vitamins.

Question 356 (2 of 2 Based on Passage)

Write in Short

Short Answer▾

The boxes on the left contain the names of conditions that can develop if the diet is not balanced for a long period of time.

The boxes on the right contain descriptions of how these conditions may be caused.

Draw one straight line from each box on the left to a box on the right to link the condition to its cause.

Description of Cause


Description of Cause

Eating more calories than you burn in daily activity and exercise on a long-term basis can lead to obesity.

Common lifestyle causes of constipation include:

  • Eating foods low in fiber.
  • Not drinking enough water (dehydration) .
  • Not getting enough exercise.
  • Changes in your regular routine, such as traveling or eating or going to bed at different times.
    • Starvation is a severe deficiency in caloric energy intake, below the level needed to maintain an organism՚s life. It is the most extreme form of malnutrition. In humans, prolonged starvation can cause permanent organ damage and eventually, death.
    • Scurvy is a disease resulting from a lack of vitamin C (ascorbic acid) . Early symptoms of deficiency include weakness, feeling tired and sore arms and legs. Without treatment, decreased red blood cells, gum disease, changes to hair, and bleeding from the skin may occur.

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