Jamb 2004 Biology Past Questions And Answers
1
A farm practice that result in the loss of soil fertility is
- A. mixed farming
- B. bush fallowing
- C. shifting cultivation
- D. continous cropping
2
Paternity dispute can most accurately be resolved through the use of
- A. Finger printing
- B. blood group typing
- C. DNA analysis
- D. tongue-rolling
3
Plants survive hot dry conditions by
- A. storing water in large parenchyma cells
- B. producing numerous leaves
- C. having numerous stomata
- D. having evergreen leaves
4
the larval stage of a mosquito is called
- A. wriggler
- B. grub
- C. maggot
- D. caterpillar
5
In a Mendelian cross of red and white varieties of the four Oclock plants, the F1 generation expresses incomplete dominance by having flower which are
- A. white
- B. red
- C. pink
- D. multicoloured
6
The absence of special food and water-conducting systems restricts the body size in
- A. algae, liverworts and mosses
- B. liverworts, mosses and ferns
- C. the bryophytes and the pteridophytes
- D. the thallophytes and pteridophytes
7
Sex - linked genes are located on
- A. Y - chromosomes
- B. X - and Y - chromosomes
- C. homologous chromosome
- D. X - chromosome
8
The progressive loss of energy at each level in a food chain leads to
- A. an increase in biomas at each successive level
- B. a decrease in biomass at each successive level
- C. an increase in the number of organism at each successive level
- D. an increase in the total number of organisms at each successive level
9
The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as
- A. arterioles
- B. venules
- C. arteries
- D. capillaries
10
Identical twins inherit their genes from
- A. different eggs and sperms
- B. the same egg and sperm
- C. two eggs and a sperm
- D. one egg and two sperms