Year :
1988
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
31 - 40 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 31. |
The radicle of a bean seedling grows most rapidly in the region A. of the root tip B. just above the root tip C. just around the root tip D. just below the root tip |
B |
| 32. |
The main function of the choroid is A. protection of the eye ball B. transmission of light C. supply of nutrient to tissue of the eye D. converging light |
C |
| 33. |
What part of the central nervous system is concerned with answering an examination question A. Cerebrum B. Cerebellum C. Medulla oblongata D. Spinal cord Detailed SolutionThe Cerebrum is the part of the brain concerned with emotions, speech, reasoning etc. |
|
| 34. |
If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned? A. 3 B. 2 C. 1 D. None |
B |
| 35. |
A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of? A. complete dominance B. blending inheritance C. interaction of genes D. back crossing Detailed SolutionIncomplete dominance / blending inheritance occurs when there is a relationship between the two versions of a gene, and neither is dominant over the other so they mutate to form a third phenotype. |
|
| 36. |
The turbidity of a pond can be measured using the A. anaemometer B. secchi disc C. theodolite D. hydrometer |
B |
| 37. |
The most important substance necessary for the maintenance of life are carbon , oxygen A. hydrogen, soil and enzymes B. hydrogen, salt and water C. nitrogen, salt and soil D. nitrogen, salt and water |
D |
| 38. |
IF an organism obtains its food by means of haustoria, it is said to be A. holophytic B. heterophytic C. saprophytism D. parasitic |
D |
| 39. |
Which of the following relationship involves only one organism? A. Saprophytism B. commensalism C. Parasitism D. Symbiosis |
A |
| 40. |
Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? A. pH B. Salinity C. Water current D. Turbidity |
A |
| 31. |
The radicle of a bean seedling grows most rapidly in the region A. of the root tip B. just above the root tip C. just around the root tip D. just below the root tip |
B |
| 32. |
The main function of the choroid is A. protection of the eye ball B. transmission of light C. supply of nutrient to tissue of the eye D. converging light |
C |
| 33. |
What part of the central nervous system is concerned with answering an examination question A. Cerebrum B. Cerebellum C. Medulla oblongata D. Spinal cord Detailed SolutionThe Cerebrum is the part of the brain concerned with emotions, speech, reasoning etc. |
|
| 34. |
If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned? A. 3 B. 2 C. 1 D. None |
B |
| 35. |
A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of? A. complete dominance B. blending inheritance C. interaction of genes D. back crossing Detailed SolutionIncomplete dominance / blending inheritance occurs when there is a relationship between the two versions of a gene, and neither is dominant over the other so they mutate to form a third phenotype. |
| 36. |
The turbidity of a pond can be measured using the A. anaemometer B. secchi disc C. theodolite D. hydrometer |
B |
| 37. |
The most important substance necessary for the maintenance of life are carbon , oxygen A. hydrogen, soil and enzymes B. hydrogen, salt and water C. nitrogen, salt and soil D. nitrogen, salt and water |
D |
| 38. |
IF an organism obtains its food by means of haustoria, it is said to be A. holophytic B. heterophytic C. saprophytism D. parasitic |
D |
| 39. |
Which of the following relationship involves only one organism? A. Saprophytism B. commensalism C. Parasitism D. Symbiosis |
A |
| 40. |
Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? A. pH B. Salinity C. Water current D. Turbidity |
A |