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JAMB Biology Past Questions 2014

10 questions from the JAMB 2014 Biology paper, with answers and explanations. Tap "Show answer" under each one when you are ready.

JAMB 2014Question 1 · Agricultural Science and Basic Biology
The soil with highest water-retaining capacity is
  1. A.Clayey Soil
  2. B.Stoney soil
  3. C.Sandy soil
  4. D.Loamy Soil
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Answer: A. Clayey Soil

Clayey soil has the highest water-retaining capacity due to its fine particles and small pore spaces.

JAMB 2014Question 2 · Cell Biology and Biochemistry
The lowest level of organization in living organisms is
  1. A.organ
  2. B.cell
  3. C.system
  4. D.tissue
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Answer: B. cell

The cell is the lowest (most basic) level of organization in living organisms.

JAMB 2014Question 3 · Ecology and Environment
The dental formula represents that of
  1. A.an omnivore
  2. B.a detritus feeder
  3. C.a carnivore
  4. D.a herbivore
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Answer: D. a herbivore

A dental formula lacking canines (c0/0) with well-developed incisors, premolars and molars is characteristic of a herbivore.

JAMB 2014Question 4 · Ecology and Environment
Which of the following group of organisms feeds directly on green plants?
  1. A.Primary Consumers
  2. B.Secondary Consumers
  3. C.Producers
  4. D.Decomposers
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Answer: A. Primary Consumers

Primary consumers are organisms (herbivores) that feed directly on green plants (producers).

JAMB 2014Question 5 · Ecology and Environment
A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is
  1. A.Carbon (II) Oxide
  2. B.Water Vapour
  3. C.Ozone
  4. D.Carbon (IV) Oxide
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Answer: A. Carbon (II) Oxide

Carbon(II) oxide (CO), an incomplete combustion product, is a major pollutant in exhaust fumes from generating sets.

JAMB 2014Question 6 · Genetics and Evolution
Whorls, arches, loops and compounds are types of variation in
  1. A.Colour
  2. B.Finger prints
  3. C.Hair Colour
  4. D.Blood group
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Answer: B. Finger prints

Whorls, arches, loops and compounds are pattern types used to classify variation in human fingerprints.

JAMB 2014Question 7 · Genetics and Evolution
All living organisms are constantly involved in a struggle for existence. This was proposed by
  1. A.Morgan
  2. B.Darwin
  3. C.Lamarck
  4. D.Wallace
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Answer: B. Darwin

Darwin proposed that all living organisms are engaged in a constant 'struggle for existence' as part of his theory of natural selection.

JAMB 2014Question 8 · Mammalian Physiology and Anatomy
A biological agent with antiviral property is
  1. A.Interferon
  2. B.enzyme
  3. C.antibiotic
  4. D.disinfectant
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Answer: A. Interferon

Interferon is a biological agent (protein) with antiviral properties, produced by cells in response to viral infection.

JAMB 2014Question 9 · Microbiology and Disease
Which of the following is true of small pox?
  1. A.It is transmitted by bacteria
  2. B.It can effectively be controlled with antibiotics
  3. C.It can effectively be controlled by vaccination
  4. D.It is a water-borne infection
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Answer: C. It can effectively be controlled by vaccination

Smallpox, a viral disease, was effectively controlled and eventually eradicated through vaccination.

JAMB 2014Question 10 · Plant Biology
In vascular plants, the sieve tubes and companion cells are present in the
  1. A.cambium
  2. B.cortex
  3. C.xylem
  4. D.phloem
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Answer: D. phloem

Sieve tubes and companion cells are components of the phloem tissue.

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