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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
2291

Two yellow-flowered hybrid plants each carrying a recessive factor for flowers with green colour were crossed.
Which of the following ratios shows the correct proportion of offspring that have green flowers?

  • A. 2 in 2
  • B. 1 in 3
  • C. 1 in 4
  • D. 1 in 5
View Answer & Discuss (3) WAEC 2012
2292
What name is given to a sudden change in a gene or chromosome?
  • A. Allele
  • B. Genotype
  • C. Mutation
  • D. Phenotype
View Answer & Discuss (2) WAEC 2012
2293
Bees are of great importance to the farmer because they
  • A. provide him with honey
  • B. pollinate flowers
  • C. sting crop pests to death
  • D. destroy flowers by sucking nectar from them
View Answer & Discuss (5) WAEC 2012
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2294
Which of the following sequences is the correct evolutionary trend in plants?
  • A. Algae → liverworts → mosses → ferns
  • B. Liverworts → mosses → ferns → algae
  • C. mosses → algae → ferns → liverworts
  • D. Ferns → Liverworts → mosses → algae
View Answer & Discuss WAEC 2012
2295
Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of
  • A. a cell wall and a cytoplasm
  • B. a vacuole and a nucleus
  • C. non-cell membrane and chloroplast
  • D. a cell wall and chloroplast
View Answer & Discuss WAEC 2002
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