JAMB UTME - Biology - 1984
Question 2 Report
The mouth parts of the housefly are adapted for
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House flies can be easily identified by the four dark, longitudinal stripes on top of the thorax, or middle body region. They vary in length from l/8-l/4 of an inch. Their mouth parts are adapted for sponging up liquids; they cannot bite. These flies can only ingest liquid food. They feed on attractive solid food by regurgitating saliva on it. The saliva liquifies the solid material which is then sponged up with the proboscis. They require water since they are continually salivating and voiding liquids. Fly specks seen on many surfaces visited by house flies are the excreted wastes.
Question 4 Report
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air
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Question 9 Report
Which of the following is NOT a waste product of plants?
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Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis
Question 11 Report
Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?
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Question 13 Report
Spirogyra and mucor can be grouped together as Thallophyta because
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Question 16 Report
Which of the following adaptations is NOT concerned with the flight of birds?
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Question 22 Report
If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows
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Question 23 Report
A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin?
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Question 24 Report
In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?
Question 25 Report
The parts used by the tapeworm to fasten itself to the host’s intestine are the
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Question 26 Report
The removal of a man’s pancreas by surgical operation can affect only the digestion of
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Question 28 Report
If an animal is very active and has good muscular control, it is likely to have well-developed
Question 30 Report
Which of the following is NOT regarded as a pollutant on land or in the air?
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Question 31 Report
The structure above represents a quill feather. The structure labelled 'M' is the
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Question 34 Report
Denitrifying bacteria in nature liberate gaseous nitrogen directly from
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Question 38 Report
Fehling's solution will readily change colour from blue to reddish colour when it is
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Question 39 Report
A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is
Question 41 Report
The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for
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Question 42 Report
Which of the following statements is NOT true of the piliferous layer of root? It
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Question 43 Report
Which of the following cell constituents is NOT common in both plants and animals?
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Question 45 Report
Which of the following lists of diseases, their causes and transmission is CORRECT?
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Question 47 Report
Spirogyra reproduces vegetatively by
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Spirogyra reproduce using sexual or asexual reproduction methods. The process of reproduction varies depending on species of spirogyra. In vegetative varieties, reproduction occurs through the process of fragmentation, which involves the transformation of spirogyra through intercalary mitosis to produce new filaments.
Question 49 Report
The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
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Question 50 Report
A flowering plant is monoecious if
