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Biology 1 - Objective Test Questions

Which of the following groups of animals do not Possess a nervous system?
1. Porifera
2. Cnidaria
3. Platyhelminthes
4. Nematoda
The structural similarities in Paramecium and Euglena are in the
1. shape of locomotory organs.
2. blunt anterior and pointed posterior.
3. presence of micro and mega nuclei in both.
4. presence of anterior and posterior contractile vacuoles.
Which of the following organisms cannot exist freely on its own?
1. Chlamydomonas
2. Amoeba
3. Paramecium
4. Plasmodium
The Arthropod in the diagram is not an insect because it
1. has a big head which is almost equal to the “thorax.
2. has eight legs and no wings.
3. does not have visible eyes on its head.
4. has head, thorax and abdomen.
Which of the following cell organelles is the site for the production of ATP?
1. Lysosome
2. Nucleus
3. Mitochondrion
4. Ribosome
An example of osmosis in plants is the
1. movement of water through the xylem.
2. loss of water vapour from the stomata.
3. translocation of food through the phloem.
4. absorption of water from the soil by the root.
The organism that can carry out both autotrophic and heterotrophic modes of nutrition is
1. Chlamydomonas.
2. Eudorina
3. Euglena
4. Spirogyra
The diagram represents the bones of the
1. upper arm
2. lower arm
3. upper leg
4. lower leg
Which of the labelled parts articulates with the head of the trochlea to form a hinge joint?
1. I
2. II
3. III
4. IV
The labelled part that provides surface for the attachment of the triceps is
1. I
2. II
3. III
4. IV
The diagram below illustrates the transverse section of a
1. dicotyledonous root
2. monocotyledonous root
3. dicotyledonous stem
4. monocotyledonous stem
Which of the following actions does not occur during exhalation in man?
1. Thoracic cavity decreases in volume
2. Diaphragm flattens
3. Ribs move down and in
4. Air pressure increases in the thoracic cavity
Which of the following substances is found in the part labelled II only?
1. Lipid
2. Protein
3. Salts
4. Water
The part which contains the lowest concentration of urea is labelled
1. I
2. II
3. III
4. IV
Which of the following substances is greater in concentration in the part labelled IV when compared to that of the part labelled I?
1. Lipid
2. Glucose
3. Urea
4. Uric acid
Deamination of amino acids in the liver produces
1. Blood sugar
2. glycogen
3. bile
4. Urea
Which of the following glands also serves as an exocrine gland?
1. Ovary
2. Pancreas
3. Adrenal
4. Thyroid
Which of the following sequences is the correct route of the transmission of impulses along a reflex arc?
1. Receptor — sensory neurone — synapse intermediate neurone — synapse > motor neurone effector
2. Receptor —motor neurone — synapse - intermediate neurone — synapse > sensory neurone- effector
3. Effector -> intermediate neurone > synapse — motor neurone — synapse — sensory neurone —> receptor
4. Effector —> motor neurone — synapse —> sensory neurone + synapse — intermediate neurone > receptor
When viewing an object that is close to the human eye, the
1. eye lens become thin
2. ciliary muscles relax
3. suspensory ligament becomes taut
4. eye lens become fat
The part labelled I is the
1. acrosome
2. nucleus
3. mitochondrion
4. tail
The function of the part labelled II is to
1. fuse with the ovum during fertilization.
2. generate the energy for the sperm to swim to the fallopian tube.
3. help the sperm to swim forward.
4. dissolve the membrane of the egg during fertilization.
Which of the following types of placentation is not common amongst syncarpous pistils?
1. Marginal
2. Axile
3. Parietal
4. Free central
The complex energy-rich organic matter which living organisms need for life is
1. Water
2. air
3. food
4. mineral salts
Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed II. Carbon dioxide is evolved III. Oxygen is given off IV. Glucose is synthesized
1. I and II only
2. I, II and IV only
3. I, III and IV only
4. I, II, III and IV
Which of the following functions is associated with calcium in plants? Formation of
1. Cell wall
2. ribosomes
3. proteins
4. cell membrane
The dentition belongs to a
1. rabbit
2. cat
3. frog
4. man
The function of the teeth labelled X is for
1. biting and grasping
2. chewing and grinding
3. tearing and grasping
4. chewing and tearing
he teeth which are absent in the young of the organism are labelled
1. W
2. X
3. Y
4. Z
The number of individuals that the environment can support over a long period of time is its
1. Growth rate
2. total capacity
3. population capacity
4. carrying capacity
A good site for secondary succession would be
1. A sand dune
2. a bare rock
3. a land that has just had forest fire
4. a stretch of barren land
A population which exceeds its carrying capacity and then collapses is represented graphically by a
1. bell-shaped curve
2. linear curve
3. sigmoid curve
4. skewed curve
The natural dwelling place of an organism is called its
1. ecological niche
2. habitat
3. population
4. environment
Which of the following ecological factors will result in food shortage?
1. Drought
2. Low rate of reproduction
3. Emigration
4. Topography
Soil permeability refers to
1. how easily water passes through the soil
2. the proportion of air in the soil
3. the proportion of water the soil holds
4. how well water rises up the soil
Which of the following groups of organisms do not have members that can be called autotrophs?
1. Protists
2. Mosses
3. Chlorophyta
4. Fungi
Which of the following pyramids gives the most accurate picture of the relationships between the organisms at the various trophic levels in a food chain? A pyramid of
1. numbers
2. energy
3. biomass
4. size
Which of’ the following statements is not associated with pyramids of energy?
1. Efficiency of energy transfer between trophic levels can be studied
2. Comparisons of pyramids for different ecosystems can be made
3. More accurate comparisons of trophic levels
4. Representation of numbers of organisms at different trophic levels
Which of the following materials is not easily biodegradable?
1. Polythene bag
2. Cotton bag
3. Hides and skin bag
4. Paper bag
Which of the following pairs of organisms is in a mutualistic relationship?
1. Hydra and Sea anemone
2. Hermit crab and Sea anemone
3. Dodder plant and Cocoa plant
4. Mistletoe and Kolanut
The establishment of game reserves and parks is a method of
1. conserving natural resources.
2. cultivating game.
3. controlling pollution.
4. cultural awareness.
Which of the following practices is not used in conserving water?
1. Afforestation
2. Damming
3. Deforestation
4. Reforestation
Which of the following resources cannot be renéwed?
1. air
2. petroleum
3. Food crop
4. soil
The type of variation illustrated above is
1. continuous variation
2. discontinuous variation
3. morphological variation
4. environmental variation
Which of the following characters is not a morphological variation?
1. Shape of the nose
2. Colour of skin
3. Colour of hair
4. Tongue rolling
An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?
1. 20 chromosomes in the gametes and 10 in the somatic cells
2. 40 chromosomes in the gametes and 20 in the somatic cells
3. 20 chromosomes in the gametes and 40 in the somatic cells
4. 40 chromosomes in the gametes and 40 in the somatic cells
Assuming that A is the gene for normal skin colour and is dominant, while a is the gene for albinism and is recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?
1. AA, aa
2. Aa, aa
3. AA, Aa
4. Aa, Aa
Which of the following statements is true about mutation?
1. Phenotype is not involved
2. genotype is not involved
3. artificial induction is not possible
4. genotype is involved
One of the structural adaptations of mammals for movement on land is the development of the
1. hollow bones
2. pendactyl limb
3. fused thoracic bones
4. streamlined body
Which of the following traits is not characteristic of social insects?
1. All members are identical
2. There is division of labour
3. The members dwell in the same habitat
4. Some members protect the queen
The gradual cumulative, adaptive and heritable changes in an organism over a long period of time resulting in new species is called
1. Adaptation
2. Survival
3. Organic evolution
4. interspecific competition

eory Questions

Section A - For All Candidates

Question 1
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 2
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 3
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 4
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

Section C - For Candidates In Nigeria Only

Question 6
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

Biology 3 - Practical Questions

Section A - For All Candidates

Question 1
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
Question 2
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

Section C - For Candidates in Nigeria Only

Question 4
1. Sub-question a
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
2. Sub-question b
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
3. Sub-question c
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
4. Sub-question d
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
5. Sub-question e
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v
6. Sub-question f
  1. Sub-question i
  2. Sub-question ii
  3. Sub-question iii
  4. Sub-question iv
  5. Sub-question v

@@ Line 314: / Line 314: @@
              <li>soil</li> </ol>
      </li>
-<p> </p>
+ Use the diagram below to answer question 43.
-     <li>Question 43
+     <li>The type of variation illustrated above is
          <ol type="a">
-             <li>Option a</li>
+             <li>continuous variation</li>
-             <li>Option b</li>
+             <li>discontinuous variation</li>
-             <li>Option c</li>
+             <li>morphological variation</li>
-             <li>Option d</li>
+             <li>environmental variation</li>
          </ol>
      </li>
-     <li>Question 44
+     <li>Which of the following characters is not a morphological variation?
          <ol type="a">
-             <li>Option a</li>
+             <li>Shape of the nose</li>
-             <li>Option b</li>
+             <li>Colour of skin</li>
-             <li>Option c</li>
+             <li>Colour of hair</li>
-             <li>Option d</li>
+             <li>Tongue rolling</li> </ol>
-        </ol>
      </li>
-     <li>Question 45
+     <li>An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?
          <ol type="a">
-             <li>Option a</li>
+             <li>20 chromosomes in the gametes and 10 in the somatic cells</li>
-             <li>Option b</li>
+             <li>40 chromosomes in the gametes and 20 in the somatic cells</li>
-             <li>Option c</li>
+             <li>20 chromosomes in the gametes and 40 in the somatic cells</li>
-             <li>Option d</li>
+             <li>40 chromosomes in the gametes and 40 in the somatic cells</li> </ol>
-        </ol>
      </li>
-     <li>Question 46
+     <li>Assuming that '''A''' is the gene for normal skin colour and is dominant, while '''a''' is the gene for albinism and is recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?
          <ol type="a">
-             <li>Option a</li>
+             <li>'''AA, aa'''</li>
-             <li>Option b</li>
+             <li>'''Aa, aa'''</li>
-             <li>Option c</li>
+             <li>'''AA, Aa'''</li>
-             <li>Option d</li>
+             <li>'''Aa, Aa'''</li> </ol>
-        </ol>
      </li>
-     <li>Question 47
+     <li>Which of the following statements is true about mutation?
          <ol type="a">
-             <li>Option a</li>
+             <li>Phenotype is not involved</li>
-             <li>Option b</li>
+             <li>genotype is not involved</li>
-             <li>Option c</li>
+             <li>artificial induction is not possible</li>
-             <li>Option d</li>
+             <li>genotype is involved</li>
          </ol>
      </li>
-     <li>Question 48
+     <li>One of the structural adaptations of mammals for movement on land is the development of the
          <ol type="a">
-             <li>Option a</li>
+             <li>hollow bones</li>
-             <li>Option b</li>
+             <li>pendactyl limb</li>
-             <li>Option c</li>
+             <li>fused thoracic bones</li>
-             <li>Option d</li>
+             <li>streamlined body</li>
          </ol>
      </li>
-     <li>Question 49
+     <li>Which of the following traits is not characteristic of social insects?
          <ol type="a">
-             <li>Option a</li>
+             <li>All members are identical </li>
-             <li>Option b</li>
+             <li>There is division of labour</li>
-             <li>Option c</li>
+             <li>The members dwell in the same habitat</li>
-             <li>Option d</li>
+             <li>Some members protect the queen</li> </ol>
-        </ol>
      </li>
-     <li>Question 50
+     <li>The gradual cumulative, adaptive and heritable changes in an organism over a long period of time resulting in new species is called
          <ol type="a">
-             <li>Option a</li>
+             <li>Adaptation</li>
-             <li>Option b</li>
+             <li>Survival</li>
-             <li>Option c</li>
+             <li>Organic evolution</li>
-             <li>Option d</li>
+             <li>interspecific competition</li> </ol>
-        </ol>
      </li>
 </ol>
-=== Biology 2 - Theory Questions ===
+=== eory Questions ===
 ==== Section A - For All Candidates ====
 <ol>