Biology 2015 Jamb Examination

Biology 2015 Jamb Examination
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Question 21

The following exist as free-living organisms except
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Spirogyra often exists in filamentous colonies or mats rather than truly free-living individual cells, unlike Amoeba, Chlamydomonas, and Euglena.
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Question 22

The basic functional unit of the kidney is the
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The nephron is the structural and functional unit of the kidney, responsible for filtering blood and forming urine.
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Question 23

The part of cell that is responsible for the production of energy is
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Mitochondria are the powerhouse of the cell, producing energy in the form of ATP through cellular respiration.
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Question 24

Hormones that help regulate blood calcium levels are produced by the
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The parathyroid glands produce parathyroid hormone (PTH), which regulates calcium levels in the blood.
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Question 25

Which of the following statements is not true of a fish?
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Fish are poikilothermic (cold-blooded), not homeothermic (warm-blooded).
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Question 26

Which of the following is NOT a waste product of plants?
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Auxins are plant hormones, not waste products. Gum, resins, and tannins are metabolic by-products that can be considered waste.
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Question 27

An association between bacteria and root nodules of legume is called
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Mutualism is a relationship where both organisms benefit; nitrogen-fixing bacteria provide nitrogen to legumes while receiving carbohydrates and shelter.
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Question 28

The scientific study of life is
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Biology is the branch of science concerned with the study of living organisms and life processes.
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Question 29

The artery supplying the liver with blood is called
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The hepatic artery supplies oxygenated blood to the liver.
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Question 30

One of the following exist as colony
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Volvox is a colonial green alga, forming spherical colonies of cells, unlike Euglena, Paramecium, or Spirogyra.
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Biology 2015 Jamb Examination
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