-
Explain four ways in which the capillaries are suited to carrying out their functions
Date posted:
December 6, 2017
-
Name the functions of the following parts of a tooth:
(i) Enamel
(ii) Pulp cavity
(iii) Cement
Date posted:
December 6, 2017
-
How are carnivores adapted to their type of nutrition? Give four ways.
Date posted:
December 6, 2017
-
Symbiosis is one of the heterotrophic modes of nutrition. Define the term symbiosis.
Date posted:
December 6, 2017
-
Define the term herbivores.
Give 4 ways in which the herbivores are adapted to their mode of nutrition
Date posted:
December 6, 2017
-
Name the four types of teeth and their functions.
Date posted:
December 6, 2017
-
Define the following terms:
(i) Homodonts
(ii) Heterodonts
(iii) Dentition
Date posted:
December 6, 2017
-
State and explain any three heterotrophic modes of nutrition.
Date posted:
December 6, 2017
-
Give the function of enzyme catalase in living tissues.
Date posted:
December 6, 2017
-
Give two functions of enzymes.
Date posted:
December 6, 2017
-
Enzyme co-factors and co-enzymes is one of the factors affecting the rate of enzyme controlled reactions. Explain how.
Date posted:
December 6, 2017
-
Show how the following factors affect the rate of enzyme controlled reactions.
(i) Specificity
(ii) Temperature
(iii) pH
Date posted:
December 6, 2017
-
State and briefly explain two methods used in naming enzymes.
Date posted:
December 6, 2017
-
Briefly explain four properties of enzymes.
Date posted:
December 6, 2017
-
Define the term enzymes.
State and define the two types of enzymes.
Date posted:
December 6, 2017
-
Amino acids are joined together to form complex protein molecules. Name the process by which the complex proteins are formed.
Date posted:
December 5, 2017
-
Proteins have various functions in the body. Explain three of those functions.
Date posted:
December 5, 2017
-
State three properties of amino acids.
Date posted:
December 5, 2017
-
Name the building units of proteins
Date posted:
December 5, 2017
-
Name the two main methods used in the test for presence of lipids.
Date posted:
December 5, 2017
-
Describe the emulsion test used in testing for lipids.
Date posted:
December 5, 2017
-
Lipids form a part of the chemicals of life. Briefly explain four functions of lipids in the body of living organisms.
Date posted:
December 5, 2017
-
State three properties of lipids.
Date posted:
December 5, 2017
-
Name the building units of lipids
Date posted:
December 5, 2017
-
Give the main difference between fats and oils
Date posted:
December 5, 2017
-
In an experiment to test for non reducing sugars,dilute hydrochloric acid and sodium hydrogen carbonate solution were used. State the functions of the reagents.
Date posted:
December 5, 2017
-
Cellulose is a polysaccharide found in plant cells. Give its function.
Date posted:
December 5, 2017
-
Name three types of polysaccharides
Date posted:
December 5, 2017
-
In an experiment,bean seeds were soaked and then placed in a vacuum flask coated with cotton wool. The thermometer was then inserted into the flask.
a)Explain the expected result
b)Account for the result in (a) above.
c) Explain how a control experiment can be set up
d)Why was vacuum flask used.
Date posted:
December 5, 2017
-
Give the function of disaccharides in living organisms
Date posted:
December 5, 2017