Jamb 2008 Biology Past Questions And Answers
1
The easiest way to establish the level of pollution in a local stream is to measure the level of
- A. oxygen
- B. carbon (IV) oxide
- C. ammonia
- D. alkalinity
2
The Rhesus factor of blood was first identified in a category of
- A. monkeys
- B. human females
- C. human males
- D. chimpanzees
3
Which of the following is a major cause of variation among organisms?
- A. Inbreeding
- B. Backcrossing
- C. Sexual reproduction
- D. Gene dominance
4
The most abundant group of organisms in the animal kingdom is
- A. mammalia
- B. aves
- C. annelida
- D. insecta
5
Genetically modified food products have not become universally accepted because
- A. they are not tasty as others produced by conventional means
- B. they are usually costlier than others produced by conventional means
- C. their effects on human consumers is not yet fully understand
- D. the technology can be applied only in developed countries
6
A characteristic that can possibly be shared by both living and non living organisms is
- A. locomotion
- B. irritability
- C. increase in biomass
- D. increase in size
7
The abilty of a chameleon to change its colour is an adaptive future for
- A. attraction
- B. defence
- C. display
- D. attack
8
The main ecological problem facing intertidal organisms is
- A. desiccation
- B. floatation
- C. salinity
- D. humidity
9
insectivorous plants traps and kill their prey to derive
- A. phosphorous
- B. calcium
- C. nitrogen
- D. zinc
10
A major adaptive feature of endoparasites is the
- A. loss of the organ of movement
- B. presence of claws
- C. loss of the central nervous system
- D. presence of piercing mouthparts