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JAMB Biology Questions 2017 Randomly Common Questions See Here

JAMB Biology Questions 2017 Randomly Common Questions, The Joint Admissions and Matriculations Board (JAMB) is a Nigerian entrance examination board for tertiary-level institutions. The board conducts entrance examinations for prospective undergraduates into Nigerian universities.

JAMB Biology Questions 2017 Randomly Common Questions See Here

JAMB Biology QUESTIONS OBJECTIVES

1. A noticeable adaptation of the animal to its aquatic habitat is the possession of
A. webbed digits B. four limbs C. a wide mouth D. large eyes

2. The similarity among organisms belonging to the same group will be least within each
A. order B. family C. species D. kingdom

3. Hermaphroditic reproduction can be found among the
A. annelids and molluscs B. pisces and amphibians C. coelenterates and platyhelminthes D. arthropods and nematodes

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4. One distinctive feature in the life history of liverworts is that they exhibit
A. vegetative reproduction B. alternation of generation C. sexual reproduction D.asexual reproduction

5. The cell component that is present in a prokaryotic cell is the
A. ribosome B. mitochondrion C. chloroplast D. nuclear envelope

6. In the egg of a bird, the embryo is located in the
A. yolk B. embryo disc C. chalaza D. albumen

7. An insect whose economic importance is both harmful and benefit is the
A. butterfly B. mosquito C. blackfly D. tsetsefly

8. If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the
A. phloem B. parenchyma C. xylem D. epidermis

9. The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with
A. saprophytic bacteria B. rhizobium C. denitrifying bacteria D. nitrosomonas

10. The part of the mammalian digestive system where absorption of nutrients takes place is the. A. duodenum B. colon C. ileum D. oesophagus

11. The dark reaction of photosynthesis involves the
A. release of oxygen and the splitting of water, B. photolysis of water and the production of starch, C. reduction of carbon (IV) oxide to organic compounds, D. splitting of water into hydrogen ions

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JAMB Biology Questions 2017 Randomly Common Questions See Here

12. The most important hormone that induces the ripening of fruit is
A. Cytokinin B. Indole acetic acid C. Ethylene D. Gibberellin

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13. Metabolic production of urea is carried out in the
A. urinary bladder and kidney B. pancreas C. kidney and malphigian tubule D. liver
14. In mammalian males, the excretory and reproductive system share the
A. ureter B. testes C. vas deferens D. urethra

15. The best method of propagating sugarcane is by
A. stem cuttings B. seed sowing C. layering D. grafting

16. The response of plants to external stimuli in a non-
directional manner is known as
A. nastic movement B. photropism C. tactic D. geotropism

17. Homologous pairs of chromosomes separate during
A. meiosis B. cytolysis C. mitosis D. cleavage

18. An example of a caryopsis is
A. coconut B. tomato C. guava D. maize grain

19. A limiting factor in a plant population near a chemical factory is likely to be
A. humidity B. pH C. wind D. light

20. The pioneer organisms in ecological succession are usually the
A. lichens B. algae C. ferns D. mosses

21. Mycorrhiza is an association between fungi and
A. roots of higher plants B. ilamentous algae C. bacteria D. protozoans

22. A density-dependent factor that regulates the population size of organisms is
A. sudden flood B. disease C. fire outbreak D. drought

23. The most effective method of dealing with non-biodegradable pollution is by
A. burying B. dumping C. incineration D. recycling

24. Soil fertility can best be conserved and renewed by the activities of
A. microbes B. earthwormsv C. man D. rodents

25. One example of fossil fuels is
A. coral B. limestone C. firewood D. coal

26. If the pair of allelels for baldness is given as Bb, a female carrier will be denoted by
A. XBXb B. XBXB C. XbY D. XBY

27. An organism that has been extensively used to test the chromosome theory of heredity is
A. Homo sapiens B. Drosophila melanogaster C. Zea Mays D. Musea domestica

30. A feature associated with the Y-chromosome in humans is
A. facial hairs B. prominent fingernails C. long eyelashes D. enlarged breast
31. A man and his wife are both heterozygous for the sickle-cell trait. The likely percentage of their offspring that will be either carriers or sicklers is
A. 50% B. 25% C. 75% D. 100%

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32. The type of reproduction that leeds to variation in animal and plant populations is
A. budding B. vegetative C. asexual D. sexual

33. If a DNA strand has a base sequence TCA, its complementary strand must be
A. ATG B. GAT C. AGT D. TAG

34. Which of the following requires the use of carbon dating to prove that evolution has occurred?
A. Biochemical similarities B. Molecular records C. Fossil Records D. Comparative anatomy

35. The presence of sunken stomata and the folding of leaves are adaptations to
A. prevent entry of pathogens B. prevent guttation C. remove excess water D. reduce water loss

JAMB Biology Questions

36. Spines and shells on animals are adaptations for
A. physical defence B. camouflage C. chemical defence D. mimicry

37. The inactive state exhibited by an animal during hot dry seasons is termed
A. aestivation B. dormancy C. resting D. hibernation

38. An insect with a mandibulate mouth part will obtain its food by
A. chewing B. chewing and sucking C. sucking D. biting and chewing

39. An example of cryptic colouration is the
A.bright marks on a poisonous tropical frog on variegated leaves
B. bright colour of an insect-pollinated flower
C. mottled colours on moths that rest on lichens
D. green colour of a plant

40. An argument against Lamarck’s heory of evolution is that
A. acquired traits cannot be passed onto the offspring
B. disuse of body part cannot weaken the part
C. disused part is dropped off in the offspring
D. traits cannot be acquired through constant use of body parts.

41. The type of reproduction that is common to both Hydra and yeast is
A. grafting B. budding C. conjugation D. binary fission, JAMB Biology Questions

42. Epigeal germination of a seed is characterized by
A. lack of growth of the hypocotyls
B. more rapid elongation of the hypocotyls than the epicotyl
C. more rapid elongation of the epicotyl than the hypocotyl
D. equal growth rate of both the .hypocotyl and epicotyl.

43. 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 Biology Questions 2017

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44. The surface of an alveolus in a mammals is well supplied
with tiny blood vessels known as
A. capillaries B. arteries C. arterioles D. venules

45. 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 Biology Questions

46. 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

47. Paternity disputes can most accurately be resolved through the use of
A. DNA analysis B. fingerprinting C. tongue-rolling D. blood group typing

48. Sex-linked genes are located on
A. X-and Y-chromosomes B. homologous chromosomes C. X- chromosomes D. Y- chromosome.

49. In a Mendelian cross of red and white varieties of the four o’clock plant, the Fgeneration expresses incomplete dominance by having flowers which are
A. multicoloured B. pink C. red D. white

50. 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 wing for flight.

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