FORM TWO POST MOCK KILIMANJARO BIOLOGY EXAMINATION

SECTION B (70 MARKS)
Answer all questions from this section
3(a) Biology is more than the study of plants and animals. The knowledge we get from studying biology enables us to get professional people like doctors. Use the knowledge of Biology to define the following terms.
i. Biology
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ii. Botany
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iii. Microbiologist
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(b) The table below shows the branches of Biology and areas of the study. Fill in the blank spaces using the correct answer.
BRANCH AREA OF STUDY
i Parasitology
ii The study of classification
iii Entomology
iv The study of heredity and variations

(c) Differentiate between unicellular and multicellular organisms.
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4(a). Students from Elimu Ni Mwanga Secondary School were studying the internal structures of the mammalian heart in the class. Immediately, they observed different features that surprised them. Assume you are among them, what would you tell your classmates on the following features observed?
i. The walls of ventricles are thicker than those of the auricles.
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ii. The wall of the left ventricle is thicker than the wall of the right ventricle.
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iii. All arteries carry oxygenated blood except pulmonary artery.
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iv. All veins carry deoxygenated blood except pulmonary vein
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v. The left and right sides of the heart are separated by the septum.
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5. Sense organs play very important roles in helping scientists to make clear observations during scientific experimentation. State the sense organs used in making the following observations.
i. Colour change during food test experiment …………….
ii. Identify the texture of sand ………………….
iii. A pineapple has a sweet taste when eaten ………………….
iv. Identify the smell of the perfume ………………
v. Coconut contains liquid by hearing the sound when shaken …………………….