Year :
2015
Title :
Agric Science
Exam :
JAMB Exam
Paper 1 | Objectives
31 - 40 of 48 Questions
| # | Question | Ans |
|---|---|---|
| 31. |
The instrument which enables a surveyor to find the direction of a base line is A. Abney level B. ranging pole C. plumb bob D. magnetic compass Detailed SolutionOption D is correct because compass is used to find direction. |
|
| 32. |
In crop production, ginger is propagated by A. seeds B. bulbs C. rhizome D. corn Detailed SolutionOption C is correct as ginger has rhizomes which serve as reproductive structure. |
|
| 33. |
Tomatoes are staked in order to A. accelerate their growth B. induce flowering C. accelerate fruit ripening D. prevents rotting of fruits Detailed SolutionOption A is correct because staking helps crop to grow fast. |
|
| 34. |
Crop rotation decreases the incidence of pests by A. breaking life cycles of pests B. attracting pest predators C. Sterilizing the soil D. maintaining soil fertility. |
A |
| 35. |
The following are advantages of sub-surface irrigation except that A. it is suitable for soils with low water holding capacity B. it can be used only for specific types of crops C. the rate of evaporation is greatly reduced D. it reduces the incidence of pests |
D |
| 36. |
Which of the following groups of rocks is formed as a result of volcanic eruption? A. Limestone, basalt and shale B. Basalt, granite and pumice C. Sandstone, granite and quartzite D. Marble, gneiss and shale. |
B |
| 37. |
Poaching is prohibited in game reserves to A. reduce wildlife population B. conserve wildlife C. starve hunters D. protect hunters from wild animals. Detailed SolutionOption B is correct because Poaching is the illegal hunting of wildlife or indiscriminate killing of wildlife. |
|
| 38. |
If T represents the gene for tallness while t represents dwarfness A. 3 : 1 B. 1 : 2 : 1 C. 2 : 2 D. 4 : 0 |
A |
| 39. |
The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as A. Selective exploitation B. Taungya C. Slips D. cuttings Detailed SolutionOption B is correct because taungya farming entails planting of food crops alongside forest trees. |
|
| 40. |
If T represents the gene for tallness while t represents dwarfness A. 100% dwarf B. 100% tall C. 50% tall and 50% dwarf D. 75% tall and 25% dwarf. |
B |
| 31. |
The instrument which enables a surveyor to find the direction of a base line is A. Abney level B. ranging pole C. plumb bob D. magnetic compass Detailed SolutionOption D is correct because compass is used to find direction. |
|
| 32. |
In crop production, ginger is propagated by A. seeds B. bulbs C. rhizome D. corn Detailed SolutionOption C is correct as ginger has rhizomes which serve as reproductive structure. |
|
| 33. |
Tomatoes are staked in order to A. accelerate their growth B. induce flowering C. accelerate fruit ripening D. prevents rotting of fruits Detailed SolutionOption A is correct because staking helps crop to grow fast. |
|
| 34. |
Crop rotation decreases the incidence of pests by A. breaking life cycles of pests B. attracting pest predators C. Sterilizing the soil D. maintaining soil fertility. |
A |
| 35. |
The following are advantages of sub-surface irrigation except that A. it is suitable for soils with low water holding capacity B. it can be used only for specific types of crops C. the rate of evaporation is greatly reduced D. it reduces the incidence of pests |
D |
| 36. |
Which of the following groups of rocks is formed as a result of volcanic eruption? A. Limestone, basalt and shale B. Basalt, granite and pumice C. Sandstone, granite and quartzite D. Marble, gneiss and shale. |
B |
| 37. |
Poaching is prohibited in game reserves to A. reduce wildlife population B. conserve wildlife C. starve hunters D. protect hunters from wild animals. Detailed SolutionOption B is correct because Poaching is the illegal hunting of wildlife or indiscriminate killing of wildlife. |
|
| 38. |
If T represents the gene for tallness while t represents dwarfness A. 3 : 1 B. 1 : 2 : 1 C. 2 : 2 D. 4 : 0 |
A |
| 39. |
The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as A. Selective exploitation B. Taungya C. Slips D. cuttings Detailed SolutionOption B is correct because taungya farming entails planting of food crops alongside forest trees. |
|
| 40. |
If T represents the gene for tallness while t represents dwarfness A. 100% dwarf B. 100% tall C. 50% tall and 50% dwarf D. 75% tall and 25% dwarf. |
B |