JAMB UTME - Biology - 1979

Identical twins are produced under one of the following conditions

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The major function of contractile vacuole in amoeba is

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In which of these association is much harm done to one of the partners?

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A gland in the human body secretes two hormones, one of which causes a disease called diabetes when there is a deficiency. Which of these organ produce the hormone?

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The carrier of the hereditary character in plants and animal is the

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The element nitrogen is utilized in

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Magnesium is utilized in the formation of

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The complex relationship between the members of a community and between the community as a whole and its physical environment is

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Which of these is not true? grass in the above food chain

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The figure above is a section of a drupe. The part numbered 2 is

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Which of these is not a type of soil?

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The hepatic portal vein is characterized by

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Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as

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If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be

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One significant difference between roots and stem is that

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When the ciliary muscles of the eye contract, the eye lens

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One of the following statement is not true of viruses

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The farmer cannot check soil erosion effectively by

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Alkaline pyrogallol was used in an experiment. That experiment must have been connected with

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Which one of the following option is not true for mucor of Rhizophus? it

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The region of cell division in a root is

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An organism which lives on the remain of dead plant is

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The dry indehiscent, winged fruit formed from one one carpel is known as

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Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are

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In the figure above the cell which controls the opening and closing of stomatal pore is

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Which of these tissue serves the function of support and water conduction

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The plumule is best described as?

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The blood vessel which carries digested food from the small intestine to the liver is the

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Which of the following statements is not true of paramecium?

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Which of the structure listed below is peculiar to the axis vertebra?

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Amoeba moves by means of

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A secchi disc is used in the determination of

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The part of the mammalian brain responsible for maintaining balance is

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The arrangements below are steps in protein digestion. Which is the correct sequence?
A. polypetides B.protein C. amino-acids D.peptones

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Which of the following is not an excretory organ in animals?

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The one-seeded fuit in which the pericarp and the seed coat have become fused together is known as

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Root hair have their origin from

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A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was

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The digestive enzyme that coagulates proteins in milk is

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Which of these is the terminal portion of the alimentary canal of a mammal?

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In which of the following tissue do the cells have the ability to divide?

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which of these diseases cannot be controlled by killing the vector?

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Which of the substance listed below is a trace element of plants?

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Which one of the following is not an excretory product?

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The maize grain is regarded as a fruit and not a seed because

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Insect show consideration powers of water conservation. This is due to the fact that

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The movement of molecules from a region of higher concentration to one of lower concentration is

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Which of these is not an enzyme?

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All living organism

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Which of these statement below is not a characteristic of wind pollinated flower?

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