JAMB Biology Past Questions (2009)
Q1. An important function of the world bank is to
A. provide short–term loans to members
B. encourage trade between members
C. promote capital–intensive productions
D. provide long–term loans to members
Answer: D
Q2. A marine protozoan is likely to have no contractile acuole mainly because the cytoplasm is
A. isotonic to sea water
B. hypotonic to sea water
C. hypertonic to sea water
D. impervious to seas water
Answer: A
Q3. A blue-green alga is not a protophytes because
A. it is aquatic
B. its cells are prokaryotic
C. it cannot move
D. it is not a green plant
Answer: B
Q4. A farmer’s assumption that the seed from a good harvest will produce a good yield is explained by the theory of
A. evolution
B. adaptation
C. variation
D. heredity
Answer: D
Q5. The axial skeleton is found in the
A. skull , ribs, vertebral column and breast bone
B. skull humerus, vertebral column and ribs
C. breastbone, clavicle, rids and vertebral column
D. femur, sternum, ulnae and skull
Answer: A
Q6. In insects, the structure that performs the same function as the kidney in man is the
A. nephridium
B. flame cell
C. malphigiann tubule
D. trachea
Answer: C
Q7. The reproductive system of a male mammal is made up of
A. claspers, prostrate, gland, sperm duct and vas deferns
B. testis, prostrate gland, sperm duct and vas deferns
C. oviduct , urethra, testis and sperm duct
D. testis, uterus, prostrate gland and sperm duct.
Answer: B
Q8. The specialized pigment cells that are involved in colouration and colour change in animals are the
A. xanthophyl
B. chromatophores
C. chlorophyll
D. mechanic
Answer: D
Q9. What is the level of organization of an onion bulb?
A. tissue
B. organ
C. systemic
D. organism
Answer: B
Q10. The uniqueness of an individual organism in a population is accounted for by
A. evolution
B. variation
C. adaptation
D. mutation
Answer: B
Q11. A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue (tt). What is the probability of each of their children being a tongue roller?
A. 100%
B. 75%
C. 50%
D. 25%
Answer: C
Q12. In freshwater marshes and swamps, the most important abiotic factor that organisms have to
A. nature of substratum
B. high salinity
C. high temperature
D. low pH
Answer: A
Q13. The optimum temperature for the growth of the organism is
A. 25oC
B. 50oC
C. 75oC
D. 100oC
Answer: B
Q14. Which of the following animals is most adapted for water conservation?
A. Earthworms
B. mammals
C. Flatworms
D. Insects
Answer: D
Q15. The major cause of global warming is the
A. Burning of fossil fuel
B. construction of dams
C. use of electricity
D. exploration of space
Answer: A
Q16. Alternation of a sexual and sexual modes of reproduction is found in
A. blue-green algae
B. Euglena
C. fern
D. maize
Answer: C
Q17. In a bean seed, absorption of water at the beginning of germination is through the
A. hilum
B. micropyle
C. testa
D. plumule
Answer: B
Q18. In Mendelian inheritance, discontinuous characters are controlled by the
A. centromeres
B. alleles
C. chromosomes
D. chromatids
Answer: B
Q19. In plants, the structures that play roles similar to the arteries and veins of animals are the
A. xylem and phloem
B. root hairs and xylem
C. lenticels and phloem
D. roots and stems
Answer: A
Q20. According to Darwin, the driving force behind evolutionary change is
A. atural selection
B. genetic drift
C. mutation
D. gene flow
Answer: A
Q21. The part of the alimentary system of a bird where food is ground into small particles is the
A. cloaca
B. stomach
C. crop
D. gizzard
Answer: D
Q22. During the dry season in the tropics, the body metabolism of some animals slows to a minimal level in a process referred to as
A. hibernation
B. aestivation
C. dormancy
D. sense scense
Answer: B
Q23. I Onchocerciasis II Schistosomiasis
III Salmonellosis IV Meningitis
Which of the diseases listed above are associated with water?
A. I and II only
B. II, III and IV
C. I, II and III
D. II and IV
Answer: C
Q24. Plants that grow in an area that is neither too wet nor too dry are
A. xerophytes
B. mesophytes
C. epiphytes
D. hydrophytes
Answer: B
Q25. Which of the following biomass could be characterized by very low rainfall, cold nights, hardays and fast blooming plants?
A. Northern Guinea savanna
B. southern Guinea savanna
C. Tropical desert
D. montane forest
Answer: B
Q26. The part of a domestic fowl responsible for preventing heat loss is the
A. filoplume
B. contour feather
C. down feather
D. quill
Answer: C
Q27. A characteristic exhibited by all living organism is
A. sexual reproduction
B. aerobic respiration
C. the ability to move from one place to another
D. the ability to remove unwanted substances.
Answer: D
Q28. In a cell, the genes are carried by
A. nuclear membranes
B. chromatin threads
C. lysosomes
D. mitochondria
Answer: B
Q29. Which of the following describes the sequence of blood flow fro the heart to a tissue?
A. Heart_artery_arteriole _ tissue
B. Heart_vein_venule _tissue
C. Heart _ venule _vein_tissue
D. Heart _arteriole _artery_tissue
Answer: A
Q30. Which of the following is an example of a carnivorous plant?
A. Hydra
B. Bladderwort
C. Yeast
D. Spirogyra
Answer: B
Q31. The feature that makes locomotion in water easy for fish is the
A. scaly body
B. slimy body
C. steam lined body
D. lateral line
Answer: C
Q32. The most important ecological factor in a terrestrial environment is
A. rainfall
B. humidity
C. wind
D. soil
Answer: A
Q33. The enzymes of the glycolytic pathway are located in the
A. mitochondria
B. gastric juice
C. plasma
D. cytoplasm
Answer: D
Q34. A health condition that isi known to have resulted from gene mutation is
A. heamophilia
B. colour blindeness
C. sickle cell anaemia
D. anaemia
Answer: C
Q35. Bird toes suitable for digging have claws that are
A. blunt
B. curved
C. hooked
D. sharp
Answer: A
Q36. The association between bacteria residing I the caecum and the ruminant is
A. parasitism
B. predation
C. saprophytism
D. mutalism
Answer: D
Q37. A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as
A. discontinous variation
B. continuous variation
C. a mutant
D. a genome
Answer: B
Q38. Mass of a crucible = 10g
Mass of a crucible and soil before heating = -29g.
Mass of a crucible and sol after heating = 18g. From the information above, determine the percentage of wter in the given soil sample?
A. 20%
B. 25%
C. 40%
D. 50%
Answer: D
Q39. Commercial grape cultivation is associated with?
A. cool temperature climate
B. monsoon regions
C. Mediterranean regions
D. Montane climate
Answer: C
Q40. Rural settlements can be distinguished from urban settlements by their?
A. function and population
B. Site and function
C. demography and morphology
D. morphology and location
Answer: A