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641
Which of the following insects undergoes incomplete metamorphosis?
  • A. Mosquito
  • B. Termite
  • C. Housefly
  • D. Moth
View Answer & Discuss (2) JAMB 1992
642
An onion is a bulb because it
  • A. has a tuberous stem
  • B. has a reduced stem and thick fleshy leaves
  • C. has adventitous roots
  • D. bears many buds at the nodes
View Answer & Discuss (5) JAMB 1992
643

The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the

  • A. stomata
  • B. lenticels
  • C. air space
  • D. guard cell
View Answer & Discuss (19) JAMB 1992
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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644
Fungi are heterotropic because they
  • A. have no leaves
  • B. lack roots
  • C. are filamentous
  • D. lack chlorophyll
View Answer & Discuss JAMB 1992
645
The major site of photosynthesis in the leaf is the
  • A. palisade parenchyma
  • B. mesophyll parenchyma
  • C. upper epidermis
  • D. lower epidermis
View Answer & Discuss (12) JAMB 1992
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts