JAMB UTME - Biology - 1980
Pergunta 1 Relatório
which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?
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Pergunta 3 Relatório
A potometer is used to determine the rate at which a shoot
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Pergunta 4 Relatório
The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the
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Pergunta 8 Relatório
During thunderstorms the energy of lightning discharge causes
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Pergunta 10 Relatório
The center which controls respiratory activities the mammalian brain is the
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Pergunta 11 Relatório
An organism X lives entirely on the waste products in another organism Y. In this association X is a
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Pergunta 12 Relatório
The joint between the atlas and axis vertebrae allows for
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Pergunta 14 Relatório
Which of the following hormones is produced during fright or when agitated?
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Pergunta 15 Relatório
The conversion of excess amino acids into urea occurs in the
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Pergunta 16 Relatório
Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a
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Pergunta 19 Relatório
In animals, cilia, flagella, pseudopodia and chaetae, can be used for
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Pergunta 20 Relatório
A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following
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Pergunta 21 Relatório
Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they
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Pergunta 22 Relatório
In the figure above the structure which prevents friction between the bones is
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Pergunta 23 Relatório
Which one of the following animals is NEVER a secondary host of tapeworms?
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Pergunta 24 Relatório
Below are some group of diseases. Which group of diseases is caused by bacteria?
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Pergunta 25 Relatório
A few grams of dried soil were first heated until red hot and then further heated until no more smoke was released. This experiment was to determine
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Pergunta 26 Relatório
The part of the cell solely responsible for respiration is the
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Pergunta 27 Relatório
If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because?
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Pergunta 28 Relatório
The amount of water loss from a leaf can be detected using
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Pergunta 29 Relatório
Human beings require vitamins in their diet because vitamins
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Pergunta 30 Relatório
Which of the following food substances is digested in the stomach?
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Pergunta 31 Relatório
Biconcave lenses are used in the correction of an eye defect called?
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Pergunta 32 Relatório
In Mucor or Rhizopus carbohydrate is absorb in the form of
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Pergunta 33 Relatório
If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome
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Pergunta 35 Relatório
The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that
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Pergunta 38 Relatório
Which one of the following parts of the mammalian body is most closely associated with the production of urine?
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Pergunta 40 Relatório
During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the
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Pergunta 41 Relatório
A mosquito which produces eggs which float, and whose larvae lie horizontal to the water surface, also rests at the angle on a vertical surface. This type of mosquito is
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Pergunta 42 Relatório
The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that
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Pergunta 43 Relatório
A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that
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Pergunta 44 Relatório
Water is required for seed germination to take place because it
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Pergunta 45 Relatório
In anaerobic respiration, glucose is converted to one of the following
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Pergunta 46 Relatório
if three 30 cm lengths of glass tubes are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be
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Pergunta 47 Relatório
The following are connected with the movement of a reflex action (1) Central nervous (2) Muscles (3) Skin (4) Sensory nerve (5) Motor nerve. Which of the following sequences indicates a correct path?
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Pergunta 49 Relatório
Oxygen from the atmosphere reaches the mammalian blood stream through one of the path indicated below. Indicate the correct path, a = mouth, b = trachea, c = bronchiole, d = nostril, e = bronchus, f = alveoli
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Pergunta 50 Relatório
For pollination and fruit formation, the essential part(s) of the flower should be the
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