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Biology WAEC / WASSCE 2014 Variation & Genetics (Heredity)
Which of the following statements about chromosomes is correct?
A
All the chromosomes of a species are the same in shape
B
the bear number present in a species is constant
C
they are neatly arranged in the eytoplasm
D
They bear ribosomes on their outer membranes
medium Difficulty
Biology WAEC / WASSCE 2014 Variation & Genetics (Heredity)
A small stem from a hibiscus plant was placed in a nutrieent medium, and it developed into a new plant. The new plant was reproduced
A
asexually with different genotype from the parent plant
B
sexually with a different genotype from the parent plant
C
asexually with the same genotype as the parent plant
D
sexually with the same genotype as the parent plant
medium Difficulty
Biology WAEC / WASSCE 2014 Variation & Genetics (Heredity)
The F1 generation of a cross between a red cock and white hen were all red because the gene for the
A
white colour did not segregate
B
red colour was dominant
C
white colour was dominant
D
red colour was recessive
medium Difficulty
Biology WAEC / WASSCE 2014 Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of the following diseases can be inherited?
A
pneumonia
B
AIDS
C
sickle cell anaemia
D
goitre
medium Difficulty
Biology WAEC / WASSCE 2014 Variation & Genetics (Heredity)
In dihybrid inheritance, Mendel considered
A
a pair of contrasting characters
B
two pairs of contrasting characters
C
three pairs of contrasting characters
D
four pairs of contrasting characters
medium Difficulty
Biology WAEC / WASSCE 2014 Adaptation & Evolution
The main reason for nuptial flight in termites is to
A
escape unfavourable conditions
B
search for food
C
form new colonies
D
communicate with one another
medium Difficulty
Biology WAEC / WASSCE 2014 Adaptation & Evolution
Which of the following organisms is not a social insect?
A
Termites
B
Ants
C
Grasshoppers
D
Bees
medium Difficulty
Biology WAEC / WASSCE 2014 Adaptation & Evolution
Lamarck's theory of evolution is based on the fact that
A
organisms acquire genes from their parents
B
organisms pass on acquired characters to their offspring
C
characteristics of organisms are determined by the creator
D
characteristics of organisms are the sum of their parents characters
medium Difficulty
Biology WAEC / WASSCE 2014 Cell Structure, Organization & Cell Division
In the diagram, the part labelled II is the
Attached Figure / Diagram
Question diagram
A
nucleus
B
eyespot
C
basal granule
D
contractile
medium Difficulty
Biology WAEC / WASSCE 2014 Nutrition in Plants & Animals (Photosynthesis & Food Substances)
In the diagram, the part responsible for photosynthesis is labelled
Attached Figure / Diagram
Question diagram
A
iii
B
iv
C
i
D
ii
medium Difficulty
Biology UTME / JAMB 2014 Variety of Organisms & Classification of Living Things
In the diagram, the organs for attachments to the lining of the host's intestine are labelled
Attached Figure / Diagram
Question diagram
A
ii and iii
B
iii and iv
C
i and ii
D
i and iii
medium Difficulty
Biology WAEC / WASSCE 2014 Variety of Organisms & Classification of Living Things
In the diagram, the young proglottid is represented by
Attached Figure / Diagram
Question diagram
A
iii
B
iv
C
i
D
ii
medium Difficulty
Biology UTME / JAMB 2014 Supporting Tissues & Skeletal System
In the diagram, the part labelled I is the
Attached Figure / Diagram
Question diagram
A
xylem
B
phleom
C
root hairs
D
cortex
medium Difficulty
Biology UTME / JAMB 2014 Variety of Organisms & Classification of Living Things
The diagram is the transverse section of a
Attached Figure / Diagram
Question diagram
A
monocotyledonous stem
B
dicotyledonous stem
C
monocotyledonous root
D
dicotyledonous root
medium Difficulty
Biology UTME / JAMB 2014 Variety of Organisms & Classification of Living Things
The diagram is the transverse section of a
A
monocotyledonous stem
B
dicotyledonous stem
C
monocotyledonous root
D
dicotyledonous root
medium Difficulty
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