JAMB UTME - Biology - 1981
Pergunta 1 Relatório
In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
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Pergunta 6 Relatório
The rate of transpiration of a leafy shoot would be highest under
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Pergunta 7 Relatório
What would happen if solution Y is more concentrated than solution X in the figure above?
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Pergunta 8 Relatório
What is the function of the contractile vacuole in paramecium?
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Pergunta 9 Relatório
If Benedict's solution gives a positive result in a food test, the food contains
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Pergunta 13 Relatório
Which of the following insects has an incomplete metamorphosis during its life circle?
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Pergunta 14 Relatório
What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?
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Pergunta 16 Relatório
Choose the sequence which represents the correct order of organisms in a food chain.
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Pergunta 17 Relatório
A person whose blood can be donated to all other people, must have the blood group
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Pergunta 18 Relatório
Which of the following is NOT true of wind-pollinated flowers?
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Pergunta 21 Relatório
The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is
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Pergunta 22 Relatório
Normally any character shown by an organism is due to the effects of
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Pergunta 23 Relatório
A fruit formed from a single flower having several free carpels is
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Pergunta 24 Relatório
The thoracic vertebrae of a mammal is characterized by the
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Pergunta 26 Relatório
Which of these substance is likely to be deficient in the diet of a person having goitre?
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Pergunta 27 Relatório
Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?
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Pergunta 28 Relatório
Growing yam tendrils climb for support. This growth response is
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Pergunta 29 Relatório
which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?
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Pergunta 31 Relatório
One common feature of the fungi, algae, mosses and ferns is that they
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Pergunta 32 Relatório
If the anthers of a flower mature before the stigma, the condition is termed
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Pergunta 33 Relatório
The two types of human tapeworm can be distinguished by the presence or absence of
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Pergunta 40 Relatório
Which of the structure becomes the seed coat after fertilization?
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Pergunta 42 Relatório
The correct route for a piece of bread eaten by a mammal is
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Pergunta 44 Relatório
Which of the following statement is NOT true of symbiosis?
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Pergunta 46 Relatório
In which of the following plants is swollen shoot disease common?
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Pergunta 49 Relatório
Which of the following statements is NOT true of menstruation?
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