Year :
1998
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
41 - 50 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 41. |
The correct increasing order of size for the cell components responsible for heredity is A. chromosome → DNA → nucleus → gene B. DNA → gene → chromosome → nucleus C. chromosome → nucleus → DNA → gene D. DNA → gene → nucleus → chromosome |
B |
| 42. |
A sex-linked character cannot be passed on directly from A. father to son B. mother to daughter C. mother to son D. father to daughter |
A |
| 43. |
The biological association that contributes directly to succession in a community is A. competition B. predation C. parasitism D. commensalism |
A |
| 44. |
The group of insects that have mouth parts adapted for both piercing and sucking is A. cockroach, aphids and mosquitoes B. aphids, houseflies and moths C. mosquitoes, tse-tse flies and aphids D. aphids, beetles and grasshoppers |
C |
| 45. |
 The bird's bill adapted for fishing is labelled A. I B. II C. III D. IV |
D |
| 46. |
 Toes of the feet ending in sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in A. I B. II C. III D. IV |
B |
| 47. |
In the honey bee colony, the drones are A. sterile males with reduced mouth parts B. sterile males with well-developed mouth parts C. fertile males with reduced mouth parts D. fertile males with well-developed mouth parts |
D |
| 48. |
In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for A. obtaining food B. conserving nutrients C. storing water D. reducing transpiration |
D |
| 49. |
The best explanation for the theories of natural selection is that A. all organisms have equal capacity for survival in their habitats B. organisms have varying capacities for survival in their habitats C. organisms compete for resource and better competitors survive and thrive D. habitats allow only organisms that will not have to compete for survival |
C |
| 50. |
The basic point of impact by changes which produce mutation is the A. gametes B. chromosomes C. phenotype D. zygote |
B |
| 41. |
The correct increasing order of size for the cell components responsible for heredity is A. chromosome → DNA → nucleus → gene B. DNA → gene → chromosome → nucleus C. chromosome → nucleus → DNA → gene D. DNA → gene → nucleus → chromosome |
B |
| 42. |
A sex-linked character cannot be passed on directly from A. father to son B. mother to daughter C. mother to son D. father to daughter |
A |
| 43. |
The biological association that contributes directly to succession in a community is A. competition B. predation C. parasitism D. commensalism |
A |
| 44. |
The group of insects that have mouth parts adapted for both piercing and sucking is A. cockroach, aphids and mosquitoes B. aphids, houseflies and moths C. mosquitoes, tse-tse flies and aphids D. aphids, beetles and grasshoppers |
C |
| 45. |
The bird's bill adapted for fishing is labelled A. I B. II C. III D. IV |
D |
| 46. |
Toes of the feet ending in sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in A. I B. II C. III D. IV |
B |
| 47. |
In the honey bee colony, the drones are A. sterile males with reduced mouth parts B. sterile males with well-developed mouth parts C. fertile males with reduced mouth parts D. fertile males with well-developed mouth parts |
D |
| 48. |
In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for A. obtaining food B. conserving nutrients C. storing water D. reducing transpiration |
D |
| 49. |
The best explanation for the theories of natural selection is that A. all organisms have equal capacity for survival in their habitats B. organisms have varying capacities for survival in their habitats C. organisms compete for resource and better competitors survive and thrive D. habitats allow only organisms that will not have to compete for survival |
C |
| 50. |
The basic point of impact by changes which produce mutation is the A. gametes B. chromosomes C. phenotype D. zygote |
B |