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Title: Mock Exam
Description: This is a practice exam paper for students who are going to do their final exams. This includes new exam type question and will test your understanding of the topics. No questions have been taken from the past papers however since syllabus content remains same, questions will be seen familiar.
Description: This is a practice exam paper for students who are going to do their final exams. This includes new exam type question and will test your understanding of the topics. No questions have been taken from the past papers however since syllabus content remains same, questions will be seen familiar.
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Figure 1
a) Define the term enzyme
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b) i) Using a labelled line, on Figure 1 label the “lock” and “key”
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Describe and explain how a
change in temperature has effect on the rate of enzyme activity
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The North Korean Famine also known as The March of suffering occurred from 1994 to
1998 due to economic mismanagement and decline in food import
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This
also
diseases
led
due
to
to
malnutrition
malnutrition
and
were
observed among the children
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b) In an effort to reduce the effects of famine, an international campaign was launched
which included supplying emergency famine food for the North Koreans
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c) Explain why a child requires diets rich in protein more than an average adult
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2 shows a vertical section through the skin
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c) Certain food such as capsaicin which is found in chilli peppers are known to cause
vasodilation
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Fig
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A
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F
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Figure 3
a) Using letters only, state which parts are involved
i) In forming a focused image of a distant object …………………………………………
ii) In reflex action occurred due to change in light intensity ……………………………
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In your answer you should name
the structures involved using correct label letters
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Using you knowledge
on image formation, explain what causes the condition mentioned above
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d) To prevent damages to light sensitive parts of the eye, a reflex action occurs which is
known as pupil reflex
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Figure 4
a) Name the parts labelled and give one function of each
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c) Brain is one component which serves to coordinate and regulate bodily functions
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d) Reflex actions occur in order to minimise the damage to body
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b) Name two hormones produced in the human body and give an example on when
the hormone might be produced
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d) One of the hormones is involved in maintaining a constant internal condition in the
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G
Figure 5
a) Name the parts labelled on the diagram
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Explain how this might affect
the activities occurring in the alimentary canal
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Small intestine
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d) Explain why most foods must be digested
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a) State the main differences which will be observed in a palisade mesophyll cell and a
human cheek cell
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c) State the functions of the following and state two ways how they are adapted for their
function
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The following figure shows a blood graph from New York population
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b) Using your knowledge on inheritance of blood groups, explain why the percentage of
AB blood group is very less in this population
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c) Some people have the shape of their Red blood cells changed
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i) State what might have caused this
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ii) Some people have changes in the number of chromosomes
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Using a genetic diagram how both parents who doesn’t have sickle cell anaemia might
have a child who has the disease
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Title: Mock Exam
Description: This is a practice exam paper for students who are going to do their final exams. This includes new exam type question and will test your understanding of the topics. No questions have been taken from the past papers however since syllabus content remains same, questions will be seen familiar.
Description: This is a practice exam paper for students who are going to do their final exams. This includes new exam type question and will test your understanding of the topics. No questions have been taken from the past papers however since syllabus content remains same, questions will be seen familiar.