Updated Weekly

Past Questions Library

Practice with a curated collection of JAMB, WAEC, NECO, and school exam questions. Filter by subject, year, or exam type.

10,710 questions available
Showing 9251–9300 of 10710 questions
Instruction
JAMB Biology 1996
JAMB (UTME) Biology 1996
Q9251. Which of the following is true of the children of a haemophilic man who marries a woman that is not haemophilic and does not carry the trait?
A All their sons will be haemophilic
B All their daughters will be haemophilic
C All their daughters will be carriers
D All their sons will be carriers
JAMB (UTME) Biology 1996
Q9252. A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype
A A
B B
C AB
D OO
JAMB (UTME) Biology 1996
Q9253. If R and r denote the genes for a character, the offspring of the cross between RR and Rr are
A RR, 2Rr, rr
B 2RR, 2rr
C 2RR, 2Rr
D 4Rr
JAMB (UTME) Biology 1996
Q9254. A mammal with red fur and long ears was crossed with another having white fur and short ears. If the offspring had red fur and short ears, then the
A characters are linked
B characters are not linked
C parents are related
D parents are not related
JAMB (UTME) Biology 1996
Q9255. Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable characters as the parent because
A seeds are not reliable for propagating plants
B uncontrolled out-crossing can introduce unwanted variability
C vegetative propagation is the best form of reproduction for all crops
D seeds were not physiologically mature at harvest
JAMB (UTME) Biology 1996
Q9256. Women do not suffer from colour blindness
A because the trait is sex-linked
B only men are colour blind
C the genes are recessive and sex-linked
D the genes occur on both the X and Y chromosomes
JAMB (UTME) Biology 1996
Q9257. The hereditary material of the cells is
A the RNA
B protein
C the DNA
D carbohydrate
JAMB (UTME) Biology 1996
Q9258. An example of plant adaptation to a xerophytic environment is represented by the development of
A fleshy tissues and reduced leaves
B broad canopy and extensive surface root system
C thick barks and broad leaves
D rough leaves and shallow root system
JAMB (UTME) Biology 1996
Q9259. Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat?
A Turbidity
B Temperature
C pH
D Salinity
JAMB (UTME) Biology 1996
Q9260. The theory of natural selection was developed by
A Lamarck and Darwin
B Darwin and Wallace
C Wallace and Mendel
D Mendel and Lamarck
JAMB (UTME) Biology 1996
Q9261. Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because
A the deposits have remains of organisms characteristic of when they were formed
B different strata have remains of organisms of the same kind
C only organisms with strong parts are fossilized
D most animals and plant fossils bear little resemblance to present day living specimens
Instruction
JAMB Biology 1997
JAMB (UTME) Biology 1997
Q9262. The structure labelled I is the
A Golgi body
B mitochondrion
C endoplasmic reticulum
D vacuole
JAMB (UTME) Biology 1997
Q9263. Protein is synthesized in the part labelled
A I
B II
C III
D IV
JAMB (UTME) Biology 1997
Q9264. Which of the following is the youngest plant tissue?
A Meristem
B Phloem
C Epidermis
D Xylem
JAMB (UTME) Biology 1997
Q9265. Viruses differ from all forms of life because they
A have a thick cell wall
B feed on waste products of other organisms
C cause infectious diseases
D require other living cells to multiply
JAMB (UTME) Biology 1997
Q9266. The endoblast cells found in Hydra are used for
A reproduction
B offence and defence
C locomotion and nutrition
D food collection
JAMB (UTME) Biology 1997
Q9267. Annelids differ from nematodes in that they
A exhibit bilateral symmetry
B are triploblastic
C are metamerically segmented
D possess complete digestive system
JAMB (UTME) Biology 1997
Q9268. Which of the following perform similar functions?
A Ascospores and ascocarp
B Antherozoids and rhizoid
C Sorus and indusium
D Strobili and inflorescence
JAMB (UTME) Biology 1997
Q9269. In ferns, the sporophyte
A develops from a haploid zygote
B reproduces sexually to produce spores
C is haploid and dependent on the gametophyte
D is diploid and independent of the gametophyte
JAMB (UTME) Biology 1997
Q9270. The group of insects that undergoes complete metamorphosis is
A houseflies, beetles and cockroaches
B cockroaches, grasshoppers and bees
C houseflies, beetles and butterflies
D aphids, grasshoppers and butterflies
JAMB (UTME) Biology 1997
Q9271. The nitrogenous substance that is excreted by birds in order to conserve water is
A ammonia
B urea
C uric acid
D nitric acid
JAMB (UTME) Biology 1997
Q9272. In mammals, the exchange of nutrients and metabolic products occurs in the
A lymph
B lungs
C heart
D liver
JAMB (UTME) Biology 1997
Q9273. The part of the stomach nearer the gullet is called the
A epiglottis
B cardiac sphincter
C duodenum
D pyloric sphincter
JAMB (UTME) Biology 1997
Q9274. Trace elements are required by plants mainly for the
A formation of pigments and enzymes
B production of energy and hormones
C manufacture of carbohydrates
D manufacture of proteins
JAMB (UTME) Biology 1997
Q9275. Which of the following is the dental formula of a rabbit?
A I 2/1, C 0/0, PM 3/2, M 3/3
B I 3/3, C 1/1, PM 4/4, M 2/3
C I 2/2, C 1/1, PM 2/2, M 3/3
D I 1/3, C 1/1, PM 4/4, M 2/3
JAMB (UTME) Biology 1997
Q9276. A food substance was treated with a few drops of Sudan III solution and a red coloration was obtained. The food contained
A protein
B starch
C fat
D mineral salt
JAMB (UTME) Biology 1997
Q9277. Oozing out of water from the leaves of plants in a humid environment is known as
A transpiration
B osmosis
C pinocytosis
D guttation
JAMB (UTME) Biology 1997
Q9278. The element that is essential for the coagulation of blood is
A potassium
B calcium
C phosphorus
D iron
JAMB (UTME) Biology 1997
Q9279. Anaerobic respiration differs from aerobic respiration by the production of
A less amount of energy and water
B greater amount of energy and alcohol
C less amount of energy and alcohol
D greater amount of energy and water
JAMB (UTME) Biology 1997
Q9280. Stomata pores open when there is
A an increase in the sugar content of guard cells
B a decrease in the osmotic concentration of guard cells
C a decrease in the sugar content of mesophyll cells
D an increase in the sugar content of mesophyll cells
JAMB (UTME) Biology 1997
Q9281. The process of deamination is essential for the
A digestion of protein
B secretion of bile
C formation of urea
D formation of antibody
JAMB (UTME) Biology 1997
Q9282. A band of connective tissue linking two bones in a joint is known as
A tendon
B cartilage
C synovial membrane
D ligament
JAMB (UTME) Biology 1997
Q9283. The appendicular skeleton is composed of the pectoral girdle,
A pelvic girdle, fore and hind limbs
B pelvic girdle and fore limbs
C lumbar vertebrae and pelvic girdle
D lumbar vertebrae, fore and hind limbs
JAMB (UTME) Biology 1997
Q9284. The companion cells are part of the
A pericycle
B phloem
C pith
D xylem
JAMB (UTME) Biology 1997
Q9285. In which of the following groups of vertebrates would the largest amount of yolk be found in the egg?
A Mammals
B Fishes
C Amphibians
D Reptiles
JAMB (UTME) Biology 1997
Q9286. The parts labelled I and II constitute the
A crown
B neck
C root
D gum
JAMB (UTME) Biology 1997
Q9287. The function of the part labeled V is for the passage of
A pollen tube and pollen nucleus
B air, water and pollen nucleus
C air, antipodal cells and ovum
D synergids and egg cell
JAMB (UTME) Biology 1997
Q9288. The female gamete is represented by
A I
B II
C III
D IV
JAMB (UTME) Biology 1997
Q9289. The type of vegetative reproduction illustrated in the diagram above is
A grafting
B adventitious bud
C sucker
D aerial layering
JAMB (UTME) Biology 1997
Q9290. Coconut and oil palm fruits can be grouped as
A berry
B legume
C capsule
D drupe
JAMB (UTME) Biology 1997
Q9291. The substance that is responsible for apical dominance in plants is known as
A gibberellin
B tannin
C auxin
D kinin
JAMB (UTME) Biology 1997
Q9292. The part of the brain that regulates most biological cycles in humans is
A olfactory lobe
B optic lobe
C medulla oblongata
D pineal body
JAMB (UTME) Biology 1997
Q9293. The ability of the eye to focus on both near and distant objects is termed
A image formation
B refraction
C hypermetropia
D accommodation
JAMB (UTME) Biology 1997
Q9294. The speed of wind can be measured with an instrument called
A hydrometer
B secchi disc
C anemometer
D wind vane
JAMB (UTME) Biology 1997
Q9295. Which organism in the food-web illustrated above is an omnivore?
A Weevils
B Rat
C Hawk
D Praying mantis
JAMB (UTME) Biology 1997
Q9296. Toads and lizards in an ecosystem depend on a limited quantity of food. This is an example of
A parasitism
B intraspecific competition
C predation
D interspecific competition
JAMB (UTME) Biology 1997
Q9297. Adaptive features of plants to desert conditions include
A thick barks, succulent stems and sunken stomata
B thin barks, succulent stems and sunken stomata
C thin barks, air floats on stems and sunken stomata
D air spaces in tissues, adventitious roots and thick barks
JAMB (UTME) Biology 1997
Q9298. The Southern Guinea Savanna differs from the Northern Guinea Savanna in that it has
A lower rainfall and shorter grasses
B less grasses and scattered trees
C more rainfall and taller grasses
D less arboreal and burrowing animals
JAMB (UTME) Biology 1997
Q9299. After a heavy rainfall and the formation of a large pond, the most likely sequence of changes in the vegetation of the pond is
A Euglena → water lily → Spirogyra → grass
B water lily → Spirogyra → grass → Euglena
C Spirogyra → Euglena → grass → water lily
D Euglena → Spirogyra → water lily → grass
JAMB (UTME) Biology 1997
Q9300. In a soil sample, the relative amounts of the different soil particles can be determined by the process of
A filtration
B centrifugation
C precipitation
D sedimentation