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BIO PP1 stage 7

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BEACHROAD VILLAGE HOMESCHOOLING EXAMINATION
BIOLOGY STAGE 7
END-YEAR EXAMIN ATION
DECEMBER 2023
CAMBRIDGE PROGRESSION TEST
NAME………………………………………………………………………………………DATE……………………………..SIGN……………
TIME:35 minutes.
No additional materials are needed.
INSTRUCTIONS
A) Answer all questions
B) Write your answer to each question in the space provided.
C) You should show all your working on the question paper.
INFORMATION
A) The total mark for this paper is 50
B) The number of marks for each question is shown in brackets[]
1. Define the following terms;
a) Balanced diet.
(2mks)
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b) Vertebrates.
(1mk)
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c) Consumer.
(1mk)
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d) Prey.
(1mk)
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e) Parasite.
(1mk)
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BEACHROAD VILLAGE HOMESCHOOLING EXAMINATION
……………………………………………………………………………………………………………………………………………………………
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2. Underline the odd one out and give a reason for your answer.
a) Grass, Fern, Flowering tree.
(1mk)
b) Moss, Conifer, Flowering tree.
(1mk)
c) Moss, Grass, Fern.
(1mk)
3. a) Explain the difference between renewable and non-renewable sources of energy.
(4mks)
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b) Give two examples of each type of energy source.
i) Renewable sources.
2mks)
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ii) Non-renewable sources.
(2mks)
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4. Name groups of vertebrates that are;
a) Warm blooded.
(2mks)
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b) Cold blooded.
(3mks)
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BEACHROAD VILLAGE HOMESCHOOLING EXAMINATION
……………………………………………………………………………………………………………………………………………………………
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5. What role do the following play in plants?
a) Xylem.
(2mk)
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b) Phloem.
(2mk)
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BEACHROAD VILLAGE HOMESCHOOLING EXAMINATION
6. a) Match.
(5mks)
NUTRIENT
FUNCTION IN THE BODY
Carbohydrates
For growth and repair
Proteins
For growth and to aid the activity of the cell
Fat
Provides energy
Vitamins
For insulation and making cell membrane
Minerals
Aid chemical reactions in cells
b) Which type of nutrient should you eat most?
(1mk)
……………………………………………………………………………………………………………………………………………………………
7. Classify each animal by the description given.
(6mks)
a) Dolphins feed their young on milk……………………………………………………………………………………………………
c) Sea turtles lay their eggs in the sand………………………………………………………………………………………………….
d) Penguins lay shelled eggs…………………………………………………………………………………………………………………
e) Whales lose their before they are born……………………………………………………………………………………………
f) Komodo dragons have dry scaly skin…………………………………………………………………………………………………
8. Food chains begin with…………………………………………..which make their own food.
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(1mk)
BEACHROAD VILLAGE HOMESCHOOLING EXAMINATION
9.Below is a feeding relationship. Use guideline to match the terms with their definitions.
(8mks)
TERM/PROCESS
DEFINITION
Food chain
A network of interconnected food chains
Food web
An organism that gets its energy by eating other
organisms
Producer
The transfer of energy from one organism to the
next, beginning with the producer
Consumer
An animal that gets its energy from eating plants
Herbivore
An organism that gets its energy from dead or
waste organic material.
Carnivore
An organism that makes its own organic
nutrients, usually through photosynthesis
Decomposer
An animal that gets its energy by eating other
animals
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