MUSTARD GRAIN COLLEGE
8, Awoyemi Close, Fabolude Bus Stop, Akute, Ogun State
Motto: GOD OUR STRENGTH
Telephone No.: 07084890444, 08032912914
THIRD TERM EXAMINATION 2023/2024 ACADEMIC SESSION
CLASS: JSS2 SUBJECT: AGRICULTURAL SCIENCE
OBJECTIVE.
INSTRUCTION: Answer all the questions in the section.
NAME:________________________________________________________________________
1. ______ is the removal of soluble component of the soil column by water A) erosion B) leaching C)
irrigation D) transformation
2. _______ is the chemical weathering of soil particles, including silt, sand and clay minerals as well
as the change of organic materials into degradation-resistant organic matter. A) Classification B)
transformation C) leaching D) irrigation.
3. Calcification occurs when the _____ of evapo-transpiration exceeds precipitation causing the
upward movement of dissolved alkaline salt from the ground water A) addition B) division
C)removal D) solution
4. _____ is the process of breaking down of rocks into smaller particles to form soil A) weathering
B) Irrigation C) precipitation D) disintegration
5. ______ does not help to breakdown parent materials A) water B) temperature change C)
pressure D) moisture
6. Soil formation is influenced by organisms such as the following except A) plants B)micro
organisms C) human D) machinery
7. ______ is the top layer of the earth surface which is made up of living and non-living things A)
rock B) soil C) sand D) sea
8. ______ practices in agriculture are all activities carried out on the farm before, during and after
planting of the crop A) modern B) artificial C) cultural D) conditional
9. ______ planting operations are carried out before sowing A) post B) pre C) inter D) external
10. ______ planting activities are carried out after the crops are planted or transplanted up to the
time of harvesting A) post B) pre C) internal D) external
11. The choice of a farm site is a part of ____ activities A) post planting B) pre planting C inter-
planting D) external planting
12. Choice of a farm site is guarded by the following except A) the nature of land B) type of soil C)
availability of inputs D) cleaning of site
13. The act of dividing the farmland into sections is called ____ A) plotting B) thinning C) stumping D)
supplying
14. The removal of weak, dead or excess plant/seedlings is called ______A) planting B)thinning C)
stumping D) supplying
15. The replacement of dead seedlings with other planting materials is called ____ A) supplying B)
mulching C) plotting D) thinning
16. The use of mulch materials like dry grasses, wood shavings, straw etc. to cover the soil surface A)
supplying B) mulching C) plotting D)thinning
17. ______ is the act of collecting mature crop products from the field A) planting B) harvesting C)
weeding D) pruning
18. ______ application is the supply of nutrients required by plants for growth and increased yield A
fertilizer B) water C) oil D) mechanical
19. ______ is an expanse of land covered with trees and bushes as well as crude forage plants A)
forest B) field C) grasses D) forage
20. Forest are said to be _____ when they grow wild A) artificial B) natural C) ordinary D) special
21. There are ____ types of forest A) 2 B) 4 C) 5 D) 3
22. ______ forest are characterized by many trees A) mangrove B) swampy C) tropical rain D) island
23. ______ forest are characterized by the presence of scarcely or few trees A) derived B) mangrove
C) tropical rain D) swampy
24. The benefits or resources from the forests include the following except _______ A) trees B)
wildlife C) shelter D) water.
25. The deliberate removal or clean felling of the forest trees is known as A) deforestation B) hunting
C) bush burning D) grazing
26. ______ refers to the planting distance allowed for each crop species, between inter-row and
intra-row. A) seed rate B) plant spacing C)planting date D) planting depth
27. The quality of seed and planting materials required to plant up an area indicated in the amount
of seed per stand of the field is ________ A) seed rate B) plant spacing C) planting date D)
planting depth
28. ________ is the sowing depth required or allowed for the plant to perform well in the field A)
seed rate B) plant spacing C) planting date D) planting depth
29. Removal of seedlings at two-leaf from pre-nursery to nursery is known as _____ A) pricking B)
transplanting C) seed rate D) planting
30. Removal of the seedling from the nursery to the field where they will be allowed to establish
until maturity and harvesting is known as ___ A) pricking B) transplanting C) seed rate D)
planting.
THEORY PART
INSTRUCTION: ANSWER FOUR (4) QUESTIONS IN THIS PART
1a. What is soil
b. State four ways that soil is formed?
2a. State six (6) ways of maintaining soil fertility.
b. what is a forest
3a. List types of forest
b. Highlight five (5) benefits from the forest
4. Define tillage and state three importance of tillage.
5a. What is land clearing
b. What are the human activities that affect the forest?
6. Differentiate between primary and secondary tillage.
