WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
WAEC offline past questions - with all answers and explanations in one app - Download for free

Biology 2011 JAMB Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
21

In nature, plants and animals are perpetually engaged in mutualism because

  • A. they are rivals
  • B. all animals rely on food produced by plants
  • C. they utilize respiratory wastes of each other
  • D. they are neighbours
View Answer & Discuss (27) JAMB 2011
22
In an experiment to determine the percentage of humus and water in a soil sample, the following results were obtained
Weight of the evaporating basin alone = 80.5g
Weight of basin and soil = 101.5g
Weight after drying the soil in the oven = 99.0g
Weight of basin and roasted soil = 95.5g
The percentage of humus in the soil sample is
  • A. 16.7%
  • B. 17.6%
  • C. 26.7%
  • D. 16.2%
View Answer & Discuss (1) JAMB 2011
23
An example of a filter -feeding animal is
  • A. shark
  • B. butterfly
  • C. whale
  • D. mosquito
View Answer & Discuss (30) JAMB 2011
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
24

Which of the following is a feature of the population pyramid of a developing country?

  • A. long lifespan
  • B. low birth rate
  • C. low death rate
  • D. short lifespan
View Answer & Discuss (6) JAMB 2011
25
The interaction of a community of organisms with its abiotic environment constitutes
  • A. niche
  • B. a food chain
  • C. an ecosystem
  • D. a mirohabitat
View Answer & Discuss JAMB 2011
Start a Free Practice Test
 
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now