Biology
JAMB 1985
Q1
Viruses are regarded as non-living because they
A
can neither reproduce asexually nor sexually
B
cannot survive in their respective environments
C
do not possess characteristics to the next
D
can neither respire nor excrete.
Biology
JAMB 1985
Q2
Which of the following pairs are fully adapted to terrestrial life?
C
Bryophyte and flowering plants.
D
Flowering plants and conifers.
Biology
JAMB 1985
Q3
Semipermeable 4. Freely permeable 5. Dry
Biology
JAMB 1985
Q3
Which of these animals is radically symmetrical?
Biology
JAMB 1985
Q4
Which of the following has cones?
Biology
JAMB 1985
Q5
For effective functioning of a bird's quill feather, hooks fit on the ridges of the
Biology
JAMB 1985
Q6
Which of the following is NOT true of Spirogyra?
A
Reproduces by conjugation
B
Reproduces by fragmentation
C
Consists of branched filaments
D
Consists of unbranched filaments
Biology
JAMB 1985
Q7
Which of the following lacks chaetae, tentacles and antennae?
Biology
JAMB 1985
Q8
Incomplete metamorphosis in the
Biology
JAMB 1985
Q9
Fishes are cold-blooded because their body temperature is
C
dependent on that of their surroundings
Biology
JAMB 1985
Q13
Which of the following is common to a dicotyledonous stem and a monocotyledonous root?
Biology
JAMB 1985
Q14
Which of the following represents the sequence of protein hydrolysis? 1.Polypeptides 2.Amino acids 3. Proteins 4. Peptones
Biology
JAMB 1985
Q16
If calcium is deficient in food this may cause
Biology
JAMB 1985
Q17
Partially digested food ready to leave the stomach is referred to as
Biology
JAMB 1985
Q18
The function of lymph nodes is to
Biology
JAMB 1985
Q19
The vein which returns blood from the head and arms to the heart is called
Biology
JAMB 1985
Q20
Blood platelets are important because they
A
are amoeboid and nucleated
E
release thrombin for blood clotting.
Biology
JAMB 1985
Q21
If a child can receive blood from all donors, he belongs to the blood group
Biology
JAMB 1985
Q22
Which of the following events does NOT occur during anaerobic respiration of glucose?
A
Muscle cell produce lactic acid
B
Carbon dioxide is produced
C
Milk bacteria produce lactic acid
E
Germinating seeds produce alcohol. [PAGE 8]
Biology
JAMB 1985
Q24
In mammals, the function of the sebaceous gland is to
D
produce an oily substance
E
manufacture vitamin D for the skin.
Biology
JAMB 1985
Q25
Which of the following organs regulates the amount of amino acids and glucose in the body?
E
Stomach. Use the diagram below to answer questions 26 and 27 Fig. 1
Biology
JAMB 1985
Q26
Bowman's capsules are located in the part labelled
Biology
JAMB 1985
Q27
Re-absorption of useful materials takes place in the parts labeled.
Biology
JAMB 1985
Q28
Movements and positions of the head in man are detected by the
Biology
JAMB 1985
Q29
The appendicular skeleton is made up of the
Biology
JAMB 1985
Q30
The maize grain is a fruit and not a seed because it
D
has no plumule and radicle
E
has a hypogeal germination.
Biology
JAMB 1985
Q31
If a flower is protandrous then it
B
has an undeveloped anroecium
D
must be insect pollinated
E
can prevent self- pollination.
Biology
JAMB 1985
Q32
For pollen to be released in Crotalaria the insect must depress the
Biology
JAMB 1985
Q33
Irish potato is a
Biology
JAMB 1985
Q34
The characters by which an organism is recognized are termed its
Biology
JAMB 1985
Q35
The hereditary material in a cell is known as
Biology
JAMB 1985
Q37
Germination which results in the cotyledons being brought above ground is called
Biology
JAMB 1985
Q38
The mammalian endocrine system is responsible for
B
regulating body temperature
C
regulating osmotic pressure of blood
E
the manufacture of blood.
Biology
JAMB 1985
Q39
An old man is likely to be long-sighted because age effects the
Biology
JAMB 1985
Q40
In a mammal, stimulus is transferred from the receptor muscle to the central nervous system through the
Biology
JAMB 1985
Q42
Which of the following food chains is in the correct sequence?
A
Weeds Tadpoles Beetles Fish Man
B
Weeds Tadpoles Fish Beetles Man. C.Tadpoles Beetles Weeds Man Fish
D
Man Fish Beetles Tadpoles Weeds
E
Fish Beetles Tadpoles Weeds Tadpoles.
Biology
JAMB 1985
Q43
The primary and secondary hosts respectively of bilharzia are
Biology
JAMB 1985
Q44
Which of the following is NOT caused by bacteria?
Biology
JAMB 1985
Q45
Tsetse fly is harmful to man because it is associated with the spread of
Biology
JAMB 1985
Q46
Soil erosion CANNOT be controlled by
B
contouring of sloping ground
Biology
JAMB 1985
Q47
Water retention is highest in soils which are rich in
A
sand, poor in humus and devoid of clay
B
clay and sand, but poor in humus
C
clay and humus, but poor in sand
D
clay, poor in humus and devoid of sand
E
Sand and humus, but poor in clay
Biology
JAMB 1985
Q48
The origin of mineral particles in the soil is
Biology
JAMB 1985
Q49
Atmospheric nitrogen is directly replenished in nature through
A
the activities of denitrifying bacteria
B
the breakdown of ammonium salts in the soil
C
the activities of nitrifying bacteria
D
the activities of nitrogen-fixing bacteria in root nodules
E
egestion, death and decay
Biology
JAMB 1985
Q50
The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore