JAMB UTME - Biology - 1987

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to

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The function of the loop of Henle is to

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The flower shown above is

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Which of the following relates to edaphic factors?

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The function of the clitellum in the earthworm is to

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The crayfish is an arthropod because

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In most true ferns sporangia are grouped into

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Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of

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If a plant homozygous for round and yellow (RR : YY), is crossed with a wrinkle green type (rr : yy) all of the resulting seeds will be

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The functions of endoplasmic reticulum is

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In the life history of butterfly, destruction of crops is caused by the

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A severe deficiency of thyroxin results in

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The vitamin which is important in the formation of the retina pigment is

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Which of the plants is likely to have broad leaves and thin cuticle

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The growth of a coleoptile towards unilateral light source is due to

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A gene which expresses itself only in the homozygous condition is

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In the reproduction of mosses, water is essential because

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A flower showing radial symmetry is said to be

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The plantain reproduces asexually by

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An example of monohybride inheritance in man is

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The ratio of carriers to sicklers in the F1 generation derived from a parental cross of two carriers of haemoglobin S gene is

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Nitrifying bacteria are important because they

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Most cells in higher animals retain their power of division EXCEPT

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The sequence of ear ossicles from the fenestra ovalis is

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The hypha of Rhizopus is said to be non septate because it

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Epiphytes growing on the branches of trees provide an example of the relationship known as

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One cubic centimeter of lymph is richer than an equal volume of blood in

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A good example of a disploblastic bryophytes from flowering plants is the

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The center for controlling body temperature in the brains is the

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One of the functions of UNICEF is to

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Which of the following is not a characteristics of snail?

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Sclerenchyma cells are lignified to

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Secondary thickening is initiated in a dicotyledonous stem by the

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In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to

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Which of the following lists of organs is directly involved in nutrition?

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Which of the plants is likely to be desert species?

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Growth can best be determined in a population of Spirogyra by measuring the

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In tapeworm, the two structure that run throughout the length of the body are the

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In which of the following crosses will all the female offspring be colour blind?

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In a plant exhibiting alternation of generations, the diploid multicellular stage is known as

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A characteristic that distinguishes bryophytes from flowering plants is the

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A samara differs from a cypsela by having

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Unlike auxins, gibberellins

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Which of the following features of euglena is found only in animals?

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Poliomyelitis is an infectious diseases caused by

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An organism found on a bare rock surface has features of algae and fungi. The organism is

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The oxidative part of the respiratory process takes place in the

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The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is

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The pineapple fruit is best described as

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The process by which lime is added to clay soil is known as

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