JAMB UTME - Biology - 2017
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Variation may be shown in physical appearance, metabolism, fertility, mode of reproduction, behaviour, learning and mental ability, and other obvious or measurable characters.
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The nymph is basically a small version of the adult insect.
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In a saprophytic chain, microorganisms live on dead organic matter.
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Use the diagram to answer the question that follows:
The part labelled I is the ________
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Use the diagram to answer the question that follows:
The structure is adapted for
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&therefore4; in case of draught, frog can amphibians can use lungs to breathe on land
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The appendicular skeleton is made up of the
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Movements at the knee joint are essential to many everyday activities, including walking, running, sitting and standing.
The knee, also known as the hinge joint(tibiofemoral joint) formed between three bones: the femur, tibia, and patella.
A gliding joint, also known as a plane joint or planar joint, is a common type ofjoint formed between bones that meet at flat or nearly flat articular surfaces.
Pivot joint, also called rotary joint is a freely moveable joint that allows only rotary movement around a single axis. Pivot joints also provide for the twisting movement of the bones of the forearm (radius and ulna) against the upper arm.
The ball and socket joint (or spheroidal joint) is a type of synovial joint which enables the bone to move in many places (nearly all directions). These are found in the hip.
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Use the diagram to answer the question that follows.
The dentition is found in
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Human activities such as the burning of oil, coal and gas, as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere.
Other source such has respiration by animals, thunderstorm release carbon dioxide in smaller quantities compare to 87% of carbon dioxide emission from plants build-up organic compounds through human activities
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Use the diagram below to answer the question that follow:
The diagram represents a
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Morphological variation arises from a number of factors which can be bluntly classified as either genetic or environmental implanted into the process of evolution.
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Atmospheric nitrogen becomes part of living organisms in two ways. The first is through bacteria in the soil that form nitrates out of nitrogen in the air. The second is through lightning. During electrical storms, large amounts of nitrogen are oxidized and united with water to produce an acid that falls to Earth in rainfall and deposits nitrates in the soil.
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Use the diagram to answer the question that follows:
The instrument is used to measure
