Jamb 2001 Biology Past Questions And Answers
1
The distribution of plants in a rain forest is governed mainly by
- A. vegetation
- B. soil types
- C. amount of sunlight
- D. rainfall pattern
2
Both recessive and dominant characters are found
- A. on different chromosomes in the cell
- B. at the same locus of a homologous chromosome
- C. at different loci of a homologous chromosome
- D. on the same chromatid in a chromosome
3
In man, the ability to roll the tongue is a variation classified as
- A. anatomical
- B. physiological
- C. structural
- D. morphological
4
Most monocots are easily recognized by their
- A. short leaves with petioles
- B. long and sword-like leaves
- C. long and palm like leaves
- D. short with veinlets
5
The probability of a baby being a boy or a girl depends on the contribution of the
- A. father's sex cell
- B. father's somatic chromosome
- C. mother's sex cell
- D. mother's X-chromosome
6
Amphibian are normally found
- A. on dry land and water
- B. in water and on moist land
- C. on moist land
- D. in water
7
Which of the following is likely to encourage inbreeding in plants?
- A. Dioecious
- B. Protandrous
- C. Monoecious
- D. Hermaphrodite
8
The highest percentage of energy in an ecosystem occurs at the level of the
- A. secondary consumer
- B. decomposers
- C. producers
- D. primary consumers
9
A seedling grown in the dark is likely to be
- A. etiolated
- B. dormant
- C. sturdy
- A. etiolated D. stunted
10
Which of the following statements is true of blood groups and blood transfusion?
- A. Group O is the universal recipient
- B. Group A can donate to group A only
- C. Group AB is the universal recipient
- D. Group B can donate to group B only