Nutrition questions | form two Biology

Carbon dioxide is needed by green plants but is given out by animals. Briefly explain the names and nature of the two processes involved.

Describe the importance of photosynthesis to the living organisms

A food sample X turned blue-black when iodine solution was added on to it. The conclusion is that sample X contained:
A Non reducing sugar.
B Reducing sugar.
C Starch.
D Protein.
E Lipid.

Which of the following does not secrete digestive enzymes?
A Oesophagus.
B Pancreas.
C Stomach.
D Salivary glands.
E Ileum.

Salting and freezing are some of the methods of food preservation.

The ileum is the first part of the small intestine.

 Which of the following is the most important basic difference between plants and animals?

1.  Growth
2. Movement
3. Nutrition
4. irritability.

 In mammals, the organ which acts as a reservoir for carbohydrates is the

1. pancrease
2. liver
3. spleen
4. stomach.

 The main product of photosynthesis is transported away from the leaves by the

1. phloem
2. xylem
3. cortex
4. veins.

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

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

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 a disease mentioned in in (d)(i).