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Frage 1 Bericht
Which one of the following animals is NEVER a secondary host of tapeworms?
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Frage 4 Bericht
If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome
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Frage 5 Bericht
Which one of the following parts of the mammalian body is most closely associated with the production of urine?
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Frage 7 Bericht
Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a
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Frage 9 Bericht
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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Frage 10 Bericht
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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Frage 12 Bericht
Below are some group of diseases. Which group of diseases is caused by bacteria?
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Frage 14 Bericht
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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Frage 15 Bericht
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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Frage 16 Bericht
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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Frage 17 Bericht
Biconcave lenses are used in the correction of an eye defect called?
Frage 19 Bericht
In animals, cilia, flagella, pseudopodia and chaetae, can be used for
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Frage 20 Bericht
A true fruit is formed from
Frage 21 Bericht
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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Frage 24 Bericht
The center which controls respiratory activities the mammalian brain is the
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Frage 25 Bericht
For pollination and fruit formation, the essential part(s) of the flower should be the
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Frage 26 Bericht
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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Frage 28 Bericht
Which of the following hormones is produced during fright or when agitated?
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Frage 30 Bericht
The conversion of excess amino acids into urea occurs in the
Frage 33 Bericht
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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Frage 34 Bericht
In the figure above the structure which prevents friction between the bones is
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Frage 36 Bericht
The testa
Frage 38 Bericht
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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Frage 40 Bericht
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
Frage 42 Bericht
which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?
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Frage 43 Bericht
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
Frage 44 Bericht
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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Frage 46 Bericht
An organism X lives entirely on the waste products in another organism Y. In this association X is a
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Frage 48 Bericht
In anaerobic respiration, glucose is converted to one of the following
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Frage 50 Bericht
Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they
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