Kirinyaga Central Mock 2013 Biology Paper 1
Past Paper Info
- Source: KIRINYAGA CENTRAL MOCK 2013
- Education Level: Secondary School
- Subject: Biology
- Paper: Paper 1
- Score: 80 Marks
- Assessment: Full Paper
(a) Define the term ‘parthenocarpy’ [1 Mark]
(b)
Name the organelle that performs each of the following functions in a cell
(a) Protein synthesis [1 Mark]
(b)
The diagram below represents a certain organism
(a) Identify the kingdom to which the organism belongs [1 Mark]
(b)
(c)
(a) Name the fluid that is produced by sebaceous glands. [1 Mark]
(b)
(a) State two characteristics that are used to divide the phylum arthropoda into classes. [2 Marks]
(b)
An experiment was set up as shown in the diagram below.
(a) Which process is being investigated by the above experiment? [1 Mark]
(c)
What causes the following diseases?
(a) Diabetes mellitus. [1 Mark]
(b)
The following chart shows a feeding relationship in ecosystem.
(a) Construct two food chains ending with a tertiary consumer in each case. [2 Marks]
(b)
(c)
A man of blood group A and a woman of blood group B get married.
(a) Using a punnet square show the possible blood groups of their offspring’s if both of them are heterozygous for their blood groups. [4 Marks]
(b)
The diagram below shows a mature embryo sac of a flowering plant.
(a) What is the function of the structure labeled B. [1 Mark]
(b)
(a) Name the tissues that transport water in plants. [1 Mark]
(b)
The diagram below shows regions of growth in a root. Study it and answer the questions that follow.
(a) Name the zones labeled A, B, C. [3 Marks]
(b)
The enzymes pepsin and trypsin are secreted in their inactive forms.
(a) Give the names of these inactive forms. [2 Marks]
(b)
Define the following terms:
(a) Evolution. [1 Mark]
(b)
Study the diagram below of a neurone in human being.
(a) Identify the neurone. [1 Mark]
(b)
(c)
Study the diagram of the mammalian tooth below and answer the questions that follow.
(a) Identify the tooth. [1 Mark]
(b)
(c)
The diagram below shows gaseous exchange in tissues.
(a) What is tissue fluid? [1 Mark]
(b)
Name the gas that diffuses.
(c)
The diagram below represents one of the specialized cells found in the human body.
(a) Identify the cell. [1 Mark]
(b)
(c)
The diagram below represents the anterior view of a certain vertebra shown below.
(a) With a reason, identify the type of vertebra shown above. [2 Marks]
(b)
The table below shows mineral nutrition in plants.
(a) Complete the table above [4 Marks]
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