JAMB UTME - Biology - 1984
Pregunta 5 Informe
Which of the following statement is NOT true of enzymes? They
Detalles de la respuesta
Pregunta 6 Informe
How many nuclei are found in pollen tube during fertilization?
Detalles de la respuesta
Pregunta 8 Informe
Fehling's solution will readily change colour from blue to reddish colour when it is
Detalles de la respuesta
Pregunta 10 Informe
Which of the following is NOT regarded as a pollutant on land or in the air?
Detalles de la respuesta
Pregunta 11 Informe
Which of the following lists of diseases, their causes and transmission is CORRECT?
Detalles de la respuesta
Pregunta 12 Informe
The character-producing factors in living organisms are
Detalles de la respuesta
Pregunta 13 Informe
Denitrifying bacteria in nature liberate gaseous nitrogen directly from
Detalles de la respuesta
Pregunta 14 Informe
A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is
Detalles de la respuesta
Pregunta 15 Informe
Underground stems which grow horizontally through the soil are
Detalles de la respuesta
Pregunta 16 Informe
Which of the following is INCORRECT? The prothallus of a fern
Detalles de la respuesta
Pregunta 17 Informe
Which of the following groups of factors is completely abiotic?
Detalles de la respuesta
Pregunta 19 Informe
The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
Detalles de la respuesta
Pregunta 21 Informe
Spirogyra and mucor can be grouped together as Thallophyta because
Detalles de la respuesta
Pregunta 23 Informe
Spirogyra reproduces vegetatively by
Detalles de la respuesta
Spirogyra reproduce using sexual or asexual reproduction methods. The process of reproduction varies depending on species of spirogyra. In vegetative varieties, reproduction occurs through the process of fragmentation, which involves the transformation of spirogyra through intercalary mitosis to produce new filaments.
Pregunta 26 Informe
Which of the following cell constituents is NOT common in both plants and animals?
Detalles de la respuesta
Pregunta 27 Informe
If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows
Detalles de la respuesta
Pregunta 28 Informe
The removal of a man’s pancreas by surgical operation can affect only the digestion of
Detalles de la respuesta
Pregunta 29 Informe
The parts used by the tapeworm to fasten itself to the host’s intestine are the
Detalles de la respuesta
Pregunta 31 Informe
Which of the following is NOT a waste product of plants?
Detalles de la respuesta
Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis
Pregunta 32 Informe
Which of the following statements is NOT true of the piliferous layer of root? It
Detalles de la respuesta
Pregunta 33 Informe
The axial skeleton of a mammal does not include the bones of the
Detalles de la respuesta
Pregunta 34 Informe
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air
Detalles de la respuesta
Pregunta 36 Informe
Mosses, liverworts and ferns can be grouped together because they
Detalles de la respuesta
Pregunta 37 Informe
If an animal is very active and has good muscular control, it is likely to have well-developed
Detalles de la respuesta
Pregunta 38 Informe
In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?
Detalles de la respuesta
Pregunta 39 Informe
Which of the following adaptations is NOT concerned with the flight of birds?
Detalles de la respuesta
Pregunta 41 Informe
The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for
Detalles de la respuesta
Pregunta 42 Informe
The mouth parts of the housefly are adapted for
Detalles de la respuesta
House flies can be easily identified by the four dark, longitudinal stripes on top of the thorax, or middle body region. They vary in length from l/8-l/4 of an inch. Their mouth parts are adapted for sponging up liquids; they cannot bite. These flies can only ingest liquid food. They feed on attractive solid food by regurgitating saliva on it. The saliva liquifies the solid material which is then sponged up with the proboscis. They require water since they are continually salivating and voiding liquids. Fly specks seen on many surfaces visited by house flies are the excreted wastes.
Pregunta 45 Informe
Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?
Detalles de la respuesta
Pregunta 46 Informe
Green plants are important in the ecosystem because they are
Detalles de la respuesta
Pregunta 47 Informe
The structure above represents a quill feather. The structure labelled 'M' is the
Detalles de la respuesta
Pregunta 49 Informe
Which of the following invertebrates does NOT possess antennae?
Detalles de la respuesta
Pregunta 50 Informe
A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin?
Detalles de la respuesta
