MAY PEN HIGH SCHOOL
End of Term Exam
Form 4: Integrated Science
Name: _____________________________ Teacher: _______________
Instruction: This paper consists of four sections A, B, C and D. Section A: Multiple Choice,
Section B: Experimental skills, Section C: Short answer and Section D: Essay
Answer all questions in all sections
Section Marks Total
A 20
B 24
C 16
D 10
Total 70
Section A: Multiple Choice Questions
1. Which of the following soil contains the most organic matter?
a. Sand
b. Clay
c. Loam
d. Silt
2. Which of the following soil has the best soil fertility?
a. Sand
b. Clay
c. Loam
d. Silt
3. The production of new individuals from their parents is known as___________
a. Reproduction
b. Production
c. Vegetative propagation
d. Sprouting
4. The process by which plants give rise to new plants without seeds is called
a. Sexual reproduction
b. Asexual reproduction
c. Vegetative propagation
d. Budding
5. Reproduction through the vegetative parts of a plant is known as
a. Sexual reproduction
b. Asexual reproduction
c. Vegetative propagation
d. Pollination
6. Male reproductive part of a plant is
a. Pores
b. Pistil
c. Stamen
d. Fusion
7. Biological weathering can take place by all of the following except
a. Plants
b. Animals
c. Microorganisms
d. Water
8. _______________ break down dead organic material in the soil.
a. Humus
b. Decomposers
c. Litter
d. Water
9. ______________ is the collective name for organic material in the soil.
a. Litter
b. Water
c. Humus
d. Decomposers
10. Reproduction in yeast takes place by
a. Zygote
b. Spore formation
c. Fragmentation
d. Budding
11. The flowers which contain both pistil and stamen are called
a. Unisexual flower
b. Bisexual flower
c. Asexual flower
d. None of the above
12. The cell which results after fusion of the gametes is called
a. Spore
b. Embryo
c. Zygote
d. Pistil
13. Which of the following is not a vegetative plant part?
a. Root
b. Stem
c. Flower
d. Leaf
14. Chemical weathering can take place by all of the following except
a. Oxidation
b. Dissolving and pH changes of rocks
c. Carbonic acid
d. Action of microorganisms
15. Biological weathering can take place by which of the following
a. Oxidation
b. Temperature change
c. Action of microorganisms
d. Ice and abrasion
16. In fungus, reproduction takes place by
a. Budding
b. Spore formation
c. Fragmentation
d. Binary fission
17. What is the function of flower in plants:
a. Reproduction
b. Transportation
c. Transpiration
d. Respiration
18. Another name given to the corolla of a flower
a. Sepal
b. Petal
c. Stalk
d. Anther
19. Another name given to the calyx of a flower
a. Anther
b. Stalk
c. Sepal
d. Petal
20. Another name given to the peduncle of a flower
a. Petal
b. Stalk
c. Anther
d. Sepal
20 marks
Section B: Experimental Skills
1. List three parts that makes up the structure of a leaf 3marks
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2. In experiment number 2 a starch test was done and the following activities were involved.
Give reason for the each of the following activity carried out in the experiment below.
i. The boiling of the leaf in hot water
______________________________________________________________________________
ii. Putting the leaf in alcohol:
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iii. Addition of iodine____________________________________________________________
iv. What colour change would have indicated that starch was present in the leaf?
______________________________________________________________________________
4 marks
3. What is sedimentation?
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2marks
4. Explain how you could carry out an experiment to demonstrate sedimentation
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5marks
5. When 40cm3 of soil and 70cm3 of water were mixed the volume of slurry formed was
60cm3. What percentage of the soil was air? Show calculation 5marks
6. Identify the volume of the initial and final reading in the diagram below? 2marks
a. Initial reading: _____________________________
b. Final Reading: _____________________________
7. Using the final reading and initial reading calculate the volume of the stone above 3marks
Section C: Short Answer Questions
1. What is weathering?
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2marks
2. Explain the physical weathering of rocks
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2marks
3. Explain the chemical weathering of rocks
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2marks
4. Explain the biological weathering of rocks
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2marks
5. Observe the diagram below of the menstrual cycle. 8marks
Explain what is happening at each stage and the hormones involved in each stage
Stage 1
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Stage 2
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Stage 3
___________________________________________________________________________
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Stage 4
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Section D: Essay Question 10marks
Kate is a new student in your integrated science class but she has no idea what the menstrual
cycle is and the role of the hormones involved in the menstrual cycle. Explain to her in five
paragraphs
What is the menstrual cycle?
Role of each of the following in the cycle:
Follicle Stimulating Hormone (FSH)
Oestrogen (0)
Luteinising Hormone (LH)
Progesterone (P)
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End of Test: Happy Easter
Determination is the corner stone to success***