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10,710 questions available
Showing 9601–9650 of 10710 questions
Instruction
JAMB Biology 2003
JAMB (UTME) Biology 2003
Q9601. If a nursing mother is not producing enough milk, her hormonal system is probably deficient in
A testosterone
B thyroxin
C insulin
D prolactin
JAMB (UTME) Biology 2003
Q9602. The function of the part labelled III is to
A produce oil for the skin
B carry blood and nitrogenous waste
C contract to pull the hair erect
D conduct nervous impulses
JAMB (UTME) Biology 2003
Q9603. The sweat gland is the structure labelled
A IV
B III
C II
D I
JAMB (UTME) Biology 2003
Q9604. The type of reproduction that is common to both Hydra and yeast is
A grafting
B budding
C conjugation
D binary fission
JAMB (UTME) Biology 2003
Q9605. Epigeal germination of a seed is characterized by
A lack of growth of the hypocotyl
B more rapid elongation of the hypocotyl
C more rapid elongation of the epicotyl than the hypocotyl
D equal growth rate of both the hypocotyl and epicotyl
JAMB (UTME) Biology 2003
Q9606. All living cells require water because it
A is a medium that neutralizes acids in cells
B is the main source of energy for the cells
C prevents the development of diseases in cell
D is a medium for all metabolic reactions
JAMB (UTME) Biology 2003
Q9607. The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as
A capillaries
B arteries
C arterioles
D venules
JAMB (UTME) Biology 2003
Q9608. Nervous control differs from hormonal control in that the former
A is a slower process
B involves only chemical transmission
C has no specific pathway
D produces short-term changes
JAMB (UTME) Biology 2003
Q9609. Identical twins inherit their genes from
A one egg and two sperms
B two eggs and a sperm
C the same egg and sperm
D different eggs and sperms
JAMB (UTME) Biology 2003
Q9610. Paternity disputes can most accurately be resolved through the use of
A DNA analysis
B fingerprinting
C tongue-rolling
D blood group typing
Instruction
JAMB Biology 2004
JAMB (UTME) Biology 2004
Q9611. The gall bladder of a mammal has a duct connected to the
A duodenum
B liver
C pancreas
D small intestine
JAMB (UTME) Biology 2004
Q9612. The opening of the stoma is controlled by the
A presence of guard cells
B decrease in solute concentration in the guard cells
C increase in solute concentration in the guard cells
D presence of a pore
JAMB (UTME) Biology 2004
Q9613. Yam is used in this set-up because it
A acts as a semi-permeable membrane
B acts as a storage organ
C is permeable to the salt solution
D is a plant material
JAMB (UTME) Biology 2004
Q9614. Which of the following results is to be expected if the set-up is left for several hours?
A Movement of water from the salt solution
B Decrease in the size of the yam
C Movement of the salt solution into the water
D Decrease in the volume of water inside the yam
JAMB (UTME) Biology 2004
Q9615. The eggs of birds contain relatively larger quantities of yolk than those of amphibians and reptiles because
A embryonic development is longer in birds
B birds lay shelled eggs
C birds are generally bigger in size
D those of birds are fertilized internally
JAMB (UTME) Biology 2004
Q9616. In the internal structure of plants, a wide pith in the centre is common to
A dicot root and monocot stems
B dicot stems and monocot stems
C dicot stem and monocot roots
D dicot roots and monocot roots
JAMB (UTME) Biology 2004
Q9617. If a nursing mother is not producing enough milk, her hormonal system is probably deficient in
A testosterone
B thyroxin
C insulin
D prolactin
JAMB (UTME) Biology 2004
Q9618. The type of joint between adjacent bones in the part labelled II is the
A hinge joint
B suture joint
C sliding joint
D ball-and-socket joint
JAMB (UTME) Biology 2004
Q9619. The bones labelled II are called
A thoracic vertebrae
B lumbar vertebrae
C cervical vertebrae
D sacral vertebrae
JAMB (UTME) Biology 2004
Q9620. The breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called
A peptidases
B amylases
C lipases
D hydrolases
JAMB (UTME) Biology 2004
Q9621. The two key cations involved in the action potential of nervous transmissions are
A Mg²⁺ and K⁺
B Na⁺ and Fe²⁺
C Fe²⁺ and Mg²⁺
D Na⁺ and K⁺
JAMB (UTME) Biology 2004
Q9622. The part labelled II is the
A anther
B style
C filament
D stigma
JAMB (UTME) Biology 2004
Q9623. The process of pollination involves the transfer of pollens from
A III to IV
B IV to I
C II to III
D I to II
JAMB (UTME) Biology 2004
Q9624. The anaerobic fermentation of a glucose molecule yields
A pyruvic acid and alcohol
B 38 ATP molecules
C water and carbon (IV) oxide
D 2 ATP molecules and alcohol
JAMB (UTME) Biology 2004
Q9625. The function of the part labelled III is to
A produce oil for the skin
B carry blood and nitrogenous waste
C contract to pull the hair erect
D conduct nervous impulses
JAMB (UTME) Biology 2004
Q9626. The sweat gland is the structure labelled
A IV
B III
C II
D I
JAMB (UTME) Biology 2004
Q9627. The type of reproduction that is common to both Hydra and yeast is
A grafting
B budding
C conjugation
D binary fission
JAMB (UTME) Biology 2004
Q9628. Epigeal germination of a seed is characterized by
A lack of growth of the hypocotyl
B more rapid elongation of the hypocotyl
C more rapid elongation of the epicotyl than the hypocotyl
D equal growth rate of both the hypocotyl and epicotyl
JAMB (UTME) Biology 2004
Q9629. All living cells require water because it
A is a medium that neutralizes acids in cells
B is the main source of energy for the cells
C prevents the development of diseases in cell
D is a medium for all metabolic reactions
JAMB (UTME) Biology 2004
Q9630. The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as
A capillaries
B arteries
C arterioles
D venules
JAMB (UTME) Biology 2004
Q9631. Nervous control differs from hormonal control in that the former
A is a slower process
B involves only chemical transmission
C has no specific pathway
D produces short-term changes
JAMB (UTME) Biology 2004
Q9632. Identical twins inherit their genes from
A one egg and two sperms
B two eggs and a sperm
C the same egg and sperm
D different eggs and sperms
JAMB (UTME) Biology 2004
Q9633. Paternity disputes can most accurately be resolved through the use of
A DNA analysis
B fingerprinting
C tongue-rolling
D blood group typing
JAMB (UTME) Biology 2004
Q9634. Sex-linked genes are located on
A X- and Y-chromosomes
B homologous chromosomes
C X-chromosomes
D Y-chromosome
JAMB (UTME) Biology 2004
Q9635. In a Mendelian cross of red and white varieties of the four o'clock plant, the F1 generation expresses incomplete dominance by having flowers which are
A multicoloured
B pink
C red
D white
JAMB (UTME) Biology 2004
Q9636. Insects are considered the most successful among the invertebrates because they
A survive in various environmental conditions
B possess the ability to change their forms
C possess exoskeletons
D have wings for flight
JAMB (UTME) Biology 2004
Q9637. The absence of special food and water-conducting systems restricts the body size in
A the bryophytes and the pteridophytes
B the halophytes and the pteridophytes
C liverworts, mosses and ferns
D algae, liverworts and mosses
JAMB (UTME) Biology 2004
Q9638. A peculiar characteristic of mammals is that they
A have sebaceous glands
B have teeth
C are warm-blooded
D have lungs
JAMB (UTME) Biology 2004
Q9639. The rods in the retina of the eye are examples of
A organs
B cells
C systems
D tissues
JAMB (UTME) Biology 2004
Q9640. The larval stage of a mosquito is called
A caterpillar
B maggot
C wriggler
D grub
JAMB (UTME) Biology 2004
Q9641. The most common characteristic of the fungal hyphae is the possession of
A cell-like partitions formed by cross-walls
B cell-like compartments with one nucleus each
C a multicellular mycelium in the substrate
D cell walls that are both rigid and chitinous
JAMB (UTME) Biology 2004
Q9642. The part labelled II is responsible for
A respiration
B protein synthesis
C excretion
D photosynthesis
JAMB (UTME) Biology 2004
Q9643. The endoplasmic reticulum is represented by the part labelled
A III
B VI
C I
D II
JAMB (UTME) Biology 2004
Q9644. The function of the long-winged reproductives in a termite colony is to
A protect the young
B participate in swarming
C feed the young
D disperse the population
JAMB (UTME) Biology 2004
Q9645. A plant-like feature in Euglena is the
A large vacuole
B gullet
C pellicle
D pigment spot
JAMB (UTME) Biology 2004
Q9646. Which of the following is an example of intraspecific competition?
A Yam and potato shoots growing out through the same window
B A lizard and an ant-eater chasing an insect
C A worker termite and a soldier in a limited space
D A hawk and an eagle targeting the same chicken
JAMB (UTME) Biology 2004
Q9647. The spots and stripes of the leopard and tiger are examples of
A warning colouration
B countershading
C cryptic colouration
D disruptive colouration
JAMB (UTME) Biology 2004
Q9648. Rodents gnaw on food with their
A strong jaws
B flat-ridged teeth
C chisel-like front teeth
D molar teeth
JAMB (UTME) Biology 2004
Q9649. An evidence of the relationship between living organisms and their extinct relatives can best be obtained from
A palaeontology
B embryology
C comparative anatomy
D comparative physiology
JAMB (UTME) Biology 2004
Q9650. Plants survive hot dry conditions by
A producing numerous leaves
B having numerous stomata
C having evergreen leaf
D storing water in large parenchyma cells