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BIOLOGY SPECIMEN PAPER B1B
Time Allowed: 45 mins Maximum Marks: 63



Name: Form:



1. This question is on variation. [19]
a. Define the two types of reproduction. [4]
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b. What is an allele? [1]

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c. Write a flow chart to show the following in…

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2. This question is about evolution. [10]
a. Lamarck's theory of evolution was very different to that of Darwin.
What was his theory? [1]

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b. Darwin came up with the revolutionary theory of `Natural Selection'.
What is this theory? [2]

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c. How long ago…

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i. Fertiliser

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ii. Herbicide

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iii. Pesticide

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c. What is meant by a `nonrenewable' resource? [1]

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d. Using the graph, describe the population growth in the past 500
years. [2]









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e. Describe the production of acid rain. [4]




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5. This question is about variation. [9]
a. Name one animal and describe how they are adapted to cold
environments. [3]


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Animal:...............................

Adaptation:
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b. State one way in which a cactus is adapted to conserve water. [1]

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c. Write three reasons for competition in animals. [3]



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d. Suggest one advantage of a pride of lions causing a herd of
animals to run before…

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7. This question is about B1B in general. [8]




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END OF TEST




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