Home ยป Past Questions ยป Biology ยป Jamb ยป 1994 ยป Page 2
22

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
The physical factors are represented by

  • A. 1, 5, 6
  • B. 4, 5, 7
  • C. 5, 7, 8
  • D. 6, 7, 8
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23

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
Items 1-4 can be regarded as

  • A. a population
  • B. a community
  • C. an ecosystem
  • D. a niche
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24

The part of the brain that controls heart beat and breathing is the

  • A. olfactory lobe
  • B. cerebellum
  • C. cerebral hemisphere
  • D. medulla oblongata
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25

The graph above shows the relationship between the body and atmospheric temperature for dog and lizard.

What is the most appropriate deduction that could be made from the graph?

  • A. Lizards are more likely to survive hazards than dogs
  • B. Both animals maintain a constant body temperature
  • C. The dog's body temperature is independent of the external temperature
  • D. The lizard's body temperature varies with that of the dog
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26

When a short-sighted person views a distant object without spectacles, the image is formed

  • A. on the retina
  • B. in front of the retina
  • C. behind the retina
  • D. on the blind spot
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27

The fleshy base of a flower to which the different floral parts are attached is known as

  • A. calyx
  • B. sepals
  • C. Receptacle
  • D. hypothalamus
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28

In animals, meiosis comes

  • A. after fertilization
  • B. after ever mitotic division
  • C. before fertilization
  • D. before every mitotic division
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29

THe neural arch is labelled

  • A. I
  • B. II
  • C. III
  • D. IV
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30

The vertebra illustrated is

  • A. lumbar
  • B. thoracic
  • C. caudal
  • D. cervical
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31

Which of the following waste products in plants is excreted through the stomata and lenticels?

  • A. Carbondioxide
  • B. Alkaloids
  • C. Tannins
  • D. Anthocyanins
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32

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

  • A. open
  • B. haemocoelic
  • C. single
  • D. closed
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33

The part labelled j is called

  • A. porosimeter
  • B. potometer
  • C. manometer
  • D. auxanometer
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34

The most appropriate title for the set up is

  • A. quantitative measurement of respiration in plants and animals
  • B. measurement of respiratory rates in living organisms
  • C. comparison between photosynthesis and respiration
  • D. comparison of respiratory rates in plants and animals
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35

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

  • A. osmosis
  • B. plasmolysis
  • C. turgidity
  • D. haemolysis
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36

The phloem parenchyma is sometimes used for

  • A. food storage
  • B. supporting the stem
  • C. production of the sieve tube
  • D. transporting water
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37

The activity of ptyalin is likely to decrease with an increase in concentration of

  • A. oxygen
  • B. starch
  • C. protein
  • D. acid
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38

The nitrifying bacteria, Nitrosomonas, convert ammonia to

  • A. nitirites
  • B. nitric acid
  • C. niitrates
  • D. nitrous oxide
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39

The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a

  • A. goat
  • B. rabbit
  • C. man
  • D. dog
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40

The failure of transport and respiratory systems in plants as well as the presence of reddish colour in stems and leaves result from the deficiency of

  • A. magnesium
  • B. nitrogen
  • C. potassium
  • D. phosphorus
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41

starch is usually stored in the part labelled

  • A. I
  • B. II
  • C. III
  • D. Iv
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42

Which of the labelled parts allows for efficient absorption of water and minerals?

  • A. I
  • B. II
  • C. III
  • D. IV
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