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Vitamins B and C destroyed; by heat of cooking;
Kavungya answered the question on September 30, 2019 at 11:40
- State two precautions which should be taken when storing a microscope after a laboratory exercise.(Solved)
State two precautions which should be taken when storing a microscope after a laboratory exercise.
Date posted: September 30, 2019. Answers (1)
- State the use of each of the following apparatus:
I)Bait trap
ii) Specimen bottle
iii) Pitfall trap(Solved)
State the use of each of the following apparatus:
I)Bait trap
ii) Specimen bottle
iii) Pitfall trap
Date posted: September 30, 2019. Answers (1)
- The binomial name of housefly is MUSCA DOMESTICA.
i) Statetwo mistakes in the way the scientific name is written(Solved)
The binomial name of housefly is MUSCA DOMESTICA.
i) Statetwo mistakes in the way the scientific name is written.
ii) Re-write the name in correct manner following the rules of binomial nomenclature
Date posted: September 30, 2019. Answers (1)
- State advantages of fruit/seed dispersal.(Solved)
State advantages of fruit/seed dispersal.
Date posted: September 30, 2019. Answers (1)
- Name the branch of biology involved in the study of
a. Relationships of living with each other and their environment.
b. Identification and classification of organisms(Solved)
Name the branch of biology involved in the study of
a. Relationships of living with each other and their environment.
b. Identification and classification of organisms
Date posted: September 30, 2019. Answers (1)
- Explain the method of transfusion and prevention of:
(i) Typhoid and Amoebic dysentry.
(ii) Malaria(Solved)
Explain the method of transfusion and prevention of:
(i) Typhoid and Amoebic dysentry.
(ii) Malaria
Date posted: September 30, 2019. Answers (1)
- Briefly explain the process of inhalation in man.(Solved)
Briefly explain the process of inhalation in man.
Date posted: September 30, 2019. Answers (1)
- A baby who is suckling has a lower chance of contracting infection than one who feeds from the bottle. Explain.(Solved)
A baby who is suckling has a lower chance of contracting infection than one who feeds from the bottle. Explain.
Date posted: September 30, 2019. Answers (1)
- What are the advantages and disadvantages of having blood group O?(Solved)
What are the advantages and disadvantages of having blood group O?
Date posted: September 30, 2019. Answers (1)
- Excessive blood loss can be rectified by blood transfusion in which blood from one person donor, is transferred into the patients blood stream.
Complete the table.
(Solved)
Excessive blood loss can be rectified by blood transfusion in which blood from one person donor, is transferred into the patients blood stream.
Complete the table.
Date posted: September 30, 2019. Answers (1)
- Calculate the respiration quotient (RQ) from the equation below:-(Solved)
Calculate the respiration quotient (RQ) from the equation below:-
a)
b) Identify the substrate being respired in the above equation
Date posted: September 30, 2019. Answers (1)
- i) Name the type of immunity developed by the body when one is vaccinated against a certain disease.
ii) Name the blood groups of a person...(Solved)
i) Name the type of immunity developed by the body when one is vaccinated against a certain disease
ii) Name the blood groups of a person whose blood plasma has antibody b .
iii) State the role of thrombin in blood clotting.
Date posted: September 30, 2019. Answers (1)
- The figure below represents a structure obtained from the ileum of a mammal.(Solved)
The figure below represents a structure obtained from the ileum of a mammal.
a) Give the identity of the structure.
b) What is the importance of the structure named in (a) above?
c) Name the parts labeled A, B and D
Date posted: September 30, 2019. Answers (1)
- Name the carbohydrate stored in:
i) Cell wall
ii) Mammalian liver(Solved)
Name the carbohydrate stored in:
i) Cell wall
ii) Mammalian liver
Date posted: September 30, 2019. Answers (1)
- State the type of solution that makes the plant cell.(Solved)
State the type of solution that makes the plant cell.
i) Flaccid
ii) Turgid
Date posted: September 30, 2019. Answers (1)
- A student measured the length of a mitochondrion on a photomicrograph whose magnification was X 40000 and found it to be 1mm. Calculate the actual...(Solved)
A student measured the length of a mitochondrion on a photomicrograph whose magnification was X 40000 and found it to be 1mm. Calculate the actual size of the mitochondrion.
Date posted: September 30, 2019. Answers (1)
- Name one example of the specialized cells in plants and one example in animals.
(i) Plants
(ii) Animals(Solved)
Name one example of the specialized cells in plants and one example in animals.
(i) Plants
(ii) Animals
Date posted: September 30, 2019. Answers (1)
- The equation bellows shows a chemical reaction that takes place in green plants under certain conditions.(Solved)
The equation bellows shows a chemical reaction that takes place in green plants under certain conditions.
a) Name the
i) Process represented by the equation
ii) Substance represent by X
b) Other than the reactants, state two conditions necessary for this reaction to occur.
c) Name three types of cells in which the process occurs
Date posted: September 30, 2019. Answers (1)
- Two herbivorous mammal species were introduced into an ecosystem at the same time and in equal numbers. The graph below represents their populations during the...(Solved)
Two herbivorous mammal species were introduced into an ecosystem at the same time and in equal numbers. The graph below represents their populations during the first seven years. Study the graph and answer the questions that follow.
(a) (i) Which species has a better competitive ability?
(ii) Give a reason for your answer.
(b) Account for the shape of the curve for spicies A between;
(i) One year and three years
(ii) 4 years and eight years.
(c) A natural predator of species A was introduced into the ecosystem. With a reason, state how the
population of each species would be affected?
(d) State four other biotic factors of the ecosystem which affects organisms distribution in their habitat other than the one illustrated in the above graph.
(e) Name the instruments used to measure the following;
(i) Light intensity.
(ii) Light penetration in water.
(iii) Speed of wind.
(iv) Atmospheric pressure
Date posted: September 30, 2019. Answers (1)
- (a) Name two substances transported in blood plasma.
(i)
(ii)
(b) Wanjiru is blood group A.
(i) Name an antibody found in her blood plasma.
(ii) Name...(Solved)
(a) Name two substances transported in blood plasma.
(i)
(ii)
(b) Wanjiru is blood group A.
(i) Name an antibody found in her blood plasma.
(ii) Name an antigen found in her red blood cell.
(iii) Name the blood groups she can donate to
Blood groups-
(i)
(ii)
(c) What is meant by the term allergy?
(d) Name one substance that can cause allergy
Date posted: September 30, 2019. Answers (1)