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Ajụjụ 2 Ripọtì
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
Akọwa Nkọwa
Ajụjụ 4 Ripọtì
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
Ajụjụ 5 Ripọtì
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
Ajụjụ 6 Ripọtì
Biconcave lenses are used in the correction of an eye defect called?
Ajụjụ 8 Ripọtì
For pollination and fruit formation, the essential part(s) of the flower should be the
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Ajụjụ 9 Ripọtì
The testa
Ajụjụ 10 Ripọtì
Which of the following spreads malaria in Nigeria?
Ajụjụ 12 Ripọtì
Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a
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Ajụjụ 14 Ripọtì
Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they
Ajụjụ 15 Ripọtì
During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the
Akọwa Nkọwa
Ajụjụ 17 Ripọtì
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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Ajụjụ 20 Ripọtì
which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?
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Ajụjụ 21 Ripọtì
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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Ajụjụ 23 Ripọtì
One of the following statement is NOT true of spirogyra
Ajụjụ 29 Ripọtì
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
Akọwa Nkọwa
Ajụjụ 30 Ripọtì
Below are some group of diseases. Which group of diseases is caused by bacteria?
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Ajụjụ 31 Ripọtì
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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Ajụjụ 34 Ripọtì
The joint between the atlas and axis vertebrae allows for
Ajụjụ 37 Ripọtì
The amount of water loss from a leaf can be detected using
Ajụjụ 38 Ripọtì
The center which controls respiratory activities the mammalian brain is the
Akọwa Nkọwa
Ajụjụ 41 Ripọtì
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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Ajụjụ 43 Ripọtì
Which of the following hormones is produced during fright or when agitated?
Ajụjụ 45 Ripọtì
Which one of the following parts of the mammalian body is most closely associated with the production of urine?
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Ajụjụ 46 Ripọtì
If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome
Ajụjụ 47 Ripọtì
A true fruit is formed from
Ajụjụ 48 Ripọtì
The conversion of excess amino acids into urea occurs in the
Ajụjụ 49 Ripọtì
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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