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100+ Free JCE Home Economics 21 Practice Questions
Botswana Junior Certificate Examination — Home Economics (Syllabus 21) practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: JCE Home Economics 21 Exam
100
Practice Questions
Syllabus 21 aligned
4
Core Content Domains
BEC Curriculum Framework
Grade C
Credit Cut-off
Botswana Examinations Council
Form 1-3
Target Education Level
Junior Secondary School
The JCE Home Economics 21 exam covers four key areas: Food and Nutrition (35%), Clothing and Textiles (30%), Home Management (20%), and Consumer Education & Family Dynamics (15%). Candidates are evaluated on nutrient roles, meal planning, cooking science, food safety, textile fibers, sewing procedures, household budgeting, safety, and modern social issues in Botswana. The 100 questions on this page are an English-language MCQ study adaptation, not an official BEC paper simulation.
Sample JCE Home Economics 21 Practice Questions
Try these sample questions to test your JCE Home Economics 21 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Which of the following carbohydrate groups consists of simple sugars that cannot be further hydrolyzed into smaller carbohydrate units?
A.Monosaccharides
B.Disaccharides
C.Polysaccharides
D.Complex starches
Explanation: Monosaccharides are single-unit sugars such as glucose, fructose, and galactose. They represent the simplest form of carbohydrates and cannot be broken down into simpler sugar units during digestion.
2What is the primary function of dietary proteins in the human body?
A.Serving as the body's main immediate energy supply
B.Growth, repair of body tissues, and synthesis of enzymes and antibodies
C.Insulating organs against mechanical shock and thermal loss
D.Facilitating the absorption of fat-soluble vitamins
Explanation: Proteins provide essential amino acids required for building new cells, repairing worn-out tissues, and manufacturing vital biological substances like enzymes, hormones, and antibodies.
3Which set of vitamins are classified as fat-soluble and require dietary lipids for efficient absorption in the small intestine?
A.Vitamins B1, B2, B6, and B12
B.Vitamin C and Folic Acid
C.Vitamins A, D, E, and K
D.Niacin, Biotin, and Pantothenic Acid
Explanation: Vitamins A, D, E, and K dissolve in fats and oils, requiring dietary fat and bile salts for digestion and intestinal absorption. Unused amounts can be stored in the liver and adipose tissue.
4A student presents with bleeding gums, slow wound healing, and pinpoint hemorrhages under the skin. Which nutrient deficiency is responsible for these symptoms?
A.Vitamin A deficiency
B.Vitamin C deficiency (Scurvy)
C.Iron deficiency
D.Vitamin D deficiency
Explanation: Scurvy is caused by a severe lack of Vitamin C (ascorbic acid), which is required for collagen synthesis. Without collagen, blood vessel walls become fragile, leading to bleeding gums and poor wound repair.
5Which mineral is a key component of hemoglobin in red blood cells and is best absorbed from animal sources such as liver and red meat (heme iron)?
A.Calcium
B.Iron
C.Iodine
D.Zinc
Explanation: Iron is the central constituent of hemoglobin, the oxygen-carrying protein in red blood cells. Heme iron from animal tissues is absorbed much more efficiently than non-heme iron from plant sources.
6A toddler in a rural clinic exhibits soft, bowed leg bones and swollen wrists. Which nutritional deficiency pair leads to this condition known as rickets?
A.Calcium and Vitamin D deficiency
B.Protein and Vitamin B1 deficiency
C.Sodium and Potassium deficiency
D.Iron and Vitamin C deficiency
Explanation: Rickets occurs in growing children when lack of Vitamin D or calcium prevents proper bone mineralization, resulting in soft, weak, and deformed bones like bowed legs.
7Why is table salt iodized as part of public health initiatives in Botswana and other southern African nations?
A.To prevent dental caries and strengthen tooth enamel
B.To prevent enlargement of the thyroid gland (goitre) and cretinism
C.To enhance the preservation duration of cooked maize meal
D.To lower blood pressure levels in adult populations
Explanation: Iodine is essential for thyroid hormone production. Iodizing salt is a cost-effective strategy to eliminate Iodine Deficiency Disorders (IDD) such as endemic goitre and mental impairment.
8Which symptom distinguishes Kwashiorkor from Marasmus in young children suffering from severe malnutrition?
A.Severe muscle wasting giving an old man appearance
B.Presence of edema (fluid retention causing a swollen belly and moon face)
C.Extreme hunger and constant crying for food
D.Complete absence of subcutaneous fat layer
Explanation: Kwashiorkor stems primarily from severe protein deficiency despite adequate energy intake, leading to hypoalbuminemia and visible edema (swollen belly and legs). Marasmus involves total calorie/energy starvation without edema.
9What primary mechanical role does indigestible dietary fiber (roughage) play in the human digestive system?
A.Providing glucose units directly for brain respiration
B.Adding bulk to feces and stimulating muscular peristalsis in the intestines
C.Emulsifying dietary fats into microscopic droplets
D.Neutralizing stomach hydrochloric acid
Explanation: Dietary fiber absorbs water, adds bulk to stool, and stimulates bowel contractions (peristalsis), preventing constipation, diverticular disease, and bowel disorders.
10Water constitutes approximately 60% of adult human body weight. Which function of water is crucial during physical activity in hot climates like Botswana?
A.Synthesizing essential amino acids in muscle cells
B.Thermoregulation via sweat evaporation from the skin surface
C.Storing excess carbohydrates as glycogen in liver tissue
D.Converting dietary starch into disaccharides
Explanation: Evaporation of sweat from the skin transfers heat away from the body, maintaining internal body temperature within safe limits during exercise and hot environmental conditions.
About the JCE Home Economics 21 Practice Questions
Verified exam format metadata for Botswana Junior Certificate Examination — Home Economics (Syllabus 21) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.