Nutrition questions | form two Biology

All bacteria are harmful.

Lack of roughage in the diet causes constipation.

You have been provided with solution A. The solution contains various food substances.

1. Use the chemicals and reagents provided to identify the food substances present in solution A. Tabulate your work as shown in Table below.

2. State the importance of each food identified in (a) in the human body
3. Give two types of food sources from which each food substance identified in (a) could have been extracted.
4. One of the food substances identified in (a) is very important for children under five years

1. Name the disease which develops when the diet provided to a child lacks that food substance
2. State the symptoms of the disease mentioned in (d (i))

1. You are provided with specimen J

1. Prepare a solution from specimen Jand label it as solution S₁
2. Outline procedures you used to prepare the solution S₁
3. Carry out experiments to identify carbohydrates present in the solution . Record your experimental work as shown in Table below.

2. For each food substances identified in (a(iii)) name

1. The site of digestion
2. Glands present in each site of digestion named in (b(i))
3. Secretions produced by each of the glands named in (b(ii))
4. Enzyme contained in each of the secretions named in (b(iii))

100. State three natural sources of each food substance identified in solution S₁

Predict what would happen if the plant lacks Nitrogen.

1. Leaves will turn to brown
2. Leaves will turn to yellow
3. Leaves will turn to purple
4. Leaves will turn to pink.

Ester has a problem of seeing well at night. She is lacking

1. Vitamin A
2. Vitamin C
3. Fruits
4. Vegetables

The measurement of percentage of fat and muscle mass in relation to height of the human body is

1. Lactating
2. Bulmia
3. Anorexia
4. Body Mass Index (BMi)

The first site of protein digestion in the digestive system is the

1. Mouth
2. Stomach
3. Small intestine
4. Oesophagus

Both mechanical and chemical digestion begins in the

1. Mouth
2. Oesophagus
3. Stomach
4. Small intestine

The components of photosynthesis are

1. sunlight and chlorophyll
2. 
3. , sunlight and chlorophyll
4. and chlorophyll