JAMB UTME - Biology - 1981

All the following are digestive enzymes except

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What is the function of the contractile vacuole in paramecium?

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Which of the following is the dental formula of man?

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Which of the following statement is NOT true of symbiosis?

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What is the part marked X in the figure above called?

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What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?

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An instrument used in measuring the speed of wind is

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The deficiency of vitamin D leads to

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What would happen if solution Y is more concentrated than solution X in the figure above?

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Choose the sequence which represents the correct order of organisms in a food chain.

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The kind of teeth used for tearing food materials is the

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The rate of transpiration of a leafy shoot would be highest under

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Normally any character shown by an organism is due to the effects of

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The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

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A person whose blood can be donated to all other people, must have the blood group

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The mushroom is an organism which feeds

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A fruit formed from a single flower having several free carpels is

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If Benedict's solution gives a positive result in a food test, the food contains

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Which of these substance is likely to be deficient in the diet of a person having goitre?

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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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The two types of human tapeworm can be distinguished by the presence or absence of

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The correct route for a piece of bread eaten by a mammal is

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Accommodation of the human eye is best described as the

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Which of the structure becomes the seed coat after fertilization?

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Growing yam tendrils climb for support. This growth response is

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If the anthers of a flower mature before the stigma, the condition is termed

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Which of the following statements is NOT true of menstruation?

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The bone labelled X in the figure above is the

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Spirogyra reproduces vegetatively by

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A plant which has a horizontal underground stem is

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Which of the following is NOT a function of the liver?

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A surprising fact about sickle cell disease is that it

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In which of the following plants is swollen shoot disease common?

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The tissue which connects a muscle to a bone is a

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Which of the following is NOT true of wind-pollinated flowers?

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In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces

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Milk protein is hydrolyzed by

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Soil is said to be fertile if

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The functional unit of a mammalian kidney is the

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What is name of the respiratory organ of the crab?

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The joint at Y in the figure above is

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Which of the following animals is cold blooded

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Which of the following insects has an incomplete metamorphosis during its life circle?

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Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

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Where is the food stored in yam plant?

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One common feature of the fungi, algae, mosses and ferns is that they

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The thoracic vertebrae of a mammal is characterized by the

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Nitrification means

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The hepatic portal vein is unique because it

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