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Biology JAMB Past Questions

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486
If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned?
  • A. 3
  • B. 2
  • C. 1
  • D. None
View Answer & Discuss (4) JAMB 1988
487

A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of?

  • A. complete dominance
  • B. blending inheritance
  • C. interaction of genes
  • D. back crossing
View Answer & Discuss (11) JAMB 1988
488
The turbidity of a pond can be measured using the
  • A. anaemometer
  • B. secchi disc
  • C. theodolite
  • D. hydrometer
View Answer & Discuss (2) JAMB 1988
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489
The most important substance necessary for the maintenance of life are carbon , oxygen
  • A. hydrogen, soil and enzymes
  • B. hydrogen, salt and water
  • C. nitrogen, salt and soil
  • D. nitrogen, salt and water
View Answer & Discuss (14) JAMB 1988
490
IF an organism obtains its food by means of haustoria, it is said to be
  • A. holophytic
  • B. heterophytic
  • C. saprophytism
  • D. parasitic
View Answer & Discuss (5) JAMB 1988
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