Nutrition questions | form two Biology

What do you understand by the following as  applied to leaves

• Dark reaction
• Light independent reaction

What roles do chlorophyll and water play in photosynthesis

.In plants nutrition iron, manganese and molybdenum are classified as ------ nutrients.,

• Feeder
• Micro
• Trade
• Macro
• Terace

.Bacteria in the caecum of herbivore digest cellulose materials of plant cells eaten. This is best described as an example of,

• Saprophism
• Symbiosis
• Parasitism
• Commensalism

• .Draw a labeled diagram to show the internal structure of a villus,
• .What is the function of villi?

   

State  the importance of each of the following biological substances

• Chlorophyll
• Hemoglobin
• Bile

Food preservation is very important in human life. Discuss its importance under the following headings.

• Reasons for food preservation
• Local food preservation methods and their biological effects
• Advantages of local food preservation mehtod

The diagram below shows the root system of a leguminous plant.

• Name two examples of leguminous plants
• Give the name of micro-organisms found in swellings shown on the roots.
• What is the importance of these micro - organisms to the plants
• What term is used to describe the relationship between plant and micro - organisms

The human body can make one of the following vitamins for itself

• Vitamin A
• Vitamin B
• Vitamin K
• Vitamin D
• Vitamin E

The structure that prevents food from entering the wind pipe is called

1. Glottis
2. Tongue
3. Soft palate
4. Epiglottis
5. Mouth