Plant Production NCV Level 2 — Document P1
February 2018 — NCV Level 2 — Plant Production
NCV Level 2
2018
NCV Agriculture
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Q1— Section header —
1.1Give one word or a term for each of the following descriptions. Write only the word or term next to the question number (1.1.1
1.1.10\in the ANSWER BOOK
1.1.1Small openings on the underside of a leaf
1.1.2lants that love the sun and do not tolerate shade
1.1.3The device used to estimate the amount of water loss by transpiration
1.1.4Control of pest by using an organism that is their natural enemy or predator
1.1.5An irrigation method that resembles rainfall
1.1.6Plants that do not die off after a year but live for many years
1.1.7The length of time food can be stored before its quality deteriorates.
1.1.8An organism that spreads diseases from one plant or animal to another
1.1.9The unit for measuring pressure
1.1.10An outer layer of an ovule that forms the seed coat 10 1\ (10\
1.2Give ONE word or a term for each of the following descriptions by c hoos ing word or term from the list below. Write only the word or term
1.2.10\the ANSWER BOOK. ater holding capacity; subtropical; lackjack; fleshy fruits; pumpkin;
1.2.1The part of a plant on which photosynthesis happens
1.2.2s harvested after 100 days of planting
1.2.3n example of an annual weed
1.2.4aximum amount of water that the soil can hold in that area
1.2.5rop that grows best in soil with pH of 5 5 and higher (1011012\
1.2.6The pace at which water sinks into the soil
1.2.7A m inimum of 440 mm rain is required for this during the growth season
1.2.8The ovary wall becomes fleshy when the seed ripens
1.2.9Produces seeds that are enclosed inside the ovule of the flower
1.2.10A c limatic region with hot and humid summer with high rainfall, and
1.3Indicate whether the following plant condition or disease are due to METABOLISM
1.3.5in the ANSWER BOOK.
1.3.1Early blight
1.3.2Leaves turn yellow and fall off, stems are black inside
1.3.3Leaf edges turn brown and fold downwards, the stem becomes short and flowers do not form properly
1.3.4Mosaic
1.3.5Leaves turn pale yellow green and plant become small and looks very weak (5 1\
1.4State how each of the plant condition or disease named in QUESTION
1.3.1
1.3.5above can be controlled. Write only the answer next to the question number (1.4.1
1.4.5in the ANSWER BOOK. (5\ [30] (1011012\ NC237030
Q2— Section header —
2.1Study the diagram in FIGURE 1 below and answer the questions FIGURE 1
2.1.1Label the parts marked A E. Write only t he answer next to the letter (A E\the ANSWER BOOK. (5\
2.1.2State the main function of the parts identified as C, D and E (3\
2.1.3What is main role of leaves during the process of photosynthesis? (1\
2.1.4Name the type of leaf arrangement for the plant illustrated above. (1\
2.2A general worker at the college is retiring the following year and intends to start a vegetable production project to generate income. He observes all the projects that are undertaken to gather information about vegetable production.
2.2.1Name FIVE growing conditions that the worker should take into consideration before deciding on the types of vegetables to grow. (5\ (1011012\
2.2.2Copy and c omplete the table below in the ANSWER BOOK. The information in the table will guide the worker when he starts growing his own vegetables. NAME OF
Q3— Section header —
3.1With the unpredict able weather due to climate change hydroponics may offer the farmer an effective solution.
3.1.1Define the term hydroponic (2\
3.1.2State FIVE major advantages of a hydroponic system (5\
3.1.3If the general worker w ere to consider planting vegetables in a hydroponic system, which irrigation system would you advise him to use (1\
Q3— Section header —
3.1.5Give FIVE characteristics of good seed (5\
3.1.6Name the appropriate fertili er application method that can be used in hydroponics. (1\
3.1.7Describe the fertili er application method named in
Q3— Section header —
3.2For plants to grow they require water which is absorbed from the soil through the process of osmosis
3.2.1Define the term osmosis (2\
3.2.2Explain how root hairs are adapted to absorb water. (5\
3.2.3What is the importance of the vascular bundle in the roots? (3\ [30] (1011012\ NC2370 (E\30
Q4— Section header —
4.1Briefly explain how temperature directly affects plant growth during transpiration. (3\
4.2.1Name THREE factors that reduce the effectiveness of photosynthesis (3\
Q4— Section header —
4.2.3Explain the relationship between photosynthesis and respiration (4\
4.3Weeds are detrimental to plant growth and they must be effectively controlled.
4.3.1List the THREE categories of weeds as classified according to their leaf types. (3\
4.3.2Give ONE example of each type of weed named in
Q4— Section header —
4.3.3Briefly describe how systemic herbicides work in controlling weeds. (3\
4.4.1Describe the damage that will be caused by aphids on leafy vegetables. (4\
4.4.2How can a phids be effectively controlled on vegetable crops? (4\ [30]30
Q5— Section header —
5.1arvesting crops must be done with care, as the crop quality may be affected during this process.
5.1.1Name THREE methods of harvesting crops. (3\
5.1.2Tabulate ONE advantage and ONE disadvantage of each method
Q5— Section header —
5.2Knowing the evaporation rate of an area helps the farmer to estimate the irrigation requirements and even schedule irrigation
5.2.1Explain the term irrigation schedule (2\
5.2.2Name TWO apparatus items used in irrigation scheduling. (2\
5.2.3Briefly explain the procedure for determining the water requirements of plants when using an evaporation pan (5\ (1011012\ NC2370
5.3Study the diagram in FIGURE 2 below and answer the questions FIGURE 2
5.3.1Describe the path followed by pollen from the stigma till fertili ation takes place (4
5.3.2Discuss post fertili ation changes that will occur in a plant. (4\
5.4Explain the following methods of plant improvement
5.4.1Hybridi ation (2\
5.4.2Mutation (2\ [30] TOTAL: 15030
Topics Identified
1
Business Functions
Mark Allocation
Total150 marks
Sections30 + 30 + 30 + 30 + 30 = 150 marks
Paper information
TitleDocument
SubjectPlant Production
LevelNCV Level 2
Document typeQuestion paper
Year2018
MonthFebruary
Pages8
Downloads4
Examination context
Decade2010s
Years ago8y
SeasonSummer (SH)
Start dayThursday
Exam periodFebruary 2018
Days since exam3,176
About Plant Production examination preparation
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For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.
understanding question requirements
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working under time constraints
checking answers
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A practical revision approach
Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.
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