Specimen A - ThermometerSpecimen B - Rain gaugeSpecimen C - Meter ruleSpecimen D - Sweep netSpecimen E - Wind vaneSpecimen F - QuadratSpecimen H - Quill featherSpecimen J - Palm frondSpecimen P - CockroachSpecimen Q - Gr…
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2019
Specimen A - ThermometerSpecimen B - Rain gaugeSpecimen C - Meter ruleSpecimen D - Sweep netSpecimen E - Wind vaneSpecimen F - QuadratSpecimen H - Quill featherSpecimen J - Palm frondSpecimen P - CockroachSpecimen Q - Gr…
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2019
Specimen A - ThermometerSpecimen B - Rain gaugeSpecimen C - Meter ruleSpecimen D - Sweep netSpecimen E - Wind vaneSpecimen F - QuadratSpecimen H - Quill featherSpecimen J - Palm frondSpecimen P - CockroachSpecimen Q - Gr…
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2019
a. Complete the table below.OrganismMode of feedingFeature of mouthpart that adapts organism to mode of feeding [6 marks] b. List five parts of the alimentary canal of an earthworm. [5 marks]
c. State six…
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2019
a. Explain briefly the importance of the following factors and organisms in the nitrogen cycle
(i) lightning; [3 marks]
(ii) Nitrosomonas; [2 marks]
(iii) Azotobacter. [2 marks]b. Name the excreto…
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2019
Use the information below to answer questions (a)(i) and (a)(ii).
Hb Are presents normal haemoglobin,
HbS represents sickled haemoglobin. a. A female heterozygote for sickle cell married a sickler. With the aid…
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2019
a. Classify the following biological associations under the headings in the table below:
(i) Remora and shark;
(ii) Lichen;
(iii) Cattle and white Egret;
(iv) Tapeworm in the gut of humans;
(v…
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2019
The table below shows the percentage composition of fat and protein in six different meat types. Study it and answer questions 2(a) to 2(d).Meat TypeFat (%)Protein (%)A07.221.3B25.310.6C20.022.5D03.128.2E12.617.3F13.214…
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2019
(a) Complete the table below.OrganismMode of feedingFeature of mouthpart that adapts organism to mode of feedinAdult mosquitotemperature is higher; Weevil Cockroach (b) List five parts of the alimentary canal of an ear…
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2019
a. (i) Complete the table below with the respiratory surface of each of the listed organisms.
organismrespiratory surfaceTadpole (2days old) Cockroach Domestic fowl Talinum Earth Worm Amoeba (ii) Stat…
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2019
A homozygous tall, red flower plant was crossed with a homozygous dwarf, white flower plant. The F1 were selfed and 160 F2 plants were obtained.
a.(i) Name the type of genetic cross. [1 marks]
(ii)…
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2019
a. State five :
(i) challenges that make conservation of resources difficult; [5 marks]
(ii) ways by which the Government of a country ensures conservation of natural resources. [5 marks]b. What is an…
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2019
a. State three features of the small intestine that increase the rate of absorption of digested food. [3 marks]b. Explain briefly what happens to the glucose formed in a plant during photosynthesis. [3 marks]…
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2019
a. Name five vertebrae in mammals with their corresponding locations. [10 marks]b. State one function each of the following parts in a dicotyledonous leaf:
(i) palisade;
(ii) vascular bundle;
(iii) e…
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2019
The biological importance of the dance by the worker honeybee is that it___________
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2019
The yellow and black stripes on the body of wasps is an example of________
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2019
The cross between RrTt and rrtt where R is a gene for red colour and T for tallness will result in______
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2019
A man whose blood group is heterozygous B is married to a woman whose blood up is also heterozygous BWhich of the following statements is correct about the blood group of their four offspring?
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2019
In a complete dominance monohybrid cross between a pure breedingyellow-flowered plant Y and a pure breeding white-floweredplant y, the result of the first filial generation is _________
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2019
Which of the following nucleotides is not found in the DNA molecules?