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Agriculture (SSW 2) sample exam questions – 10 questions with answers

農業（2号）

10 sample questions in the real exam format, with furigana, English translation, answers and explanations. Tap "Show answer" under each question. For the full question bank and realistic mock exams, open the free app.

Question 1

Under Article 41 of the Labor Standards Act, because agriculture is affected by natural conditions such as weather, not only provisions on working hours and holidays, but also provisions on night work premium wages and paid annual leave are exempt from application.

  1. A.
    ○ True
  2. B.
    × False
Show answer

Correct answer: B

In agriculture and livestock farming, statutory working hours, breaks, and holidays are exempt under Article 41, but night work premium pay (22:00 to 05:00) and statutory paid annual leave still apply in full. (Textbook: ASAT Level 2 Safety & Hygiene 1-4 p.2)

WordMeaning
Labor Standards Act
working hours
premium wages
paid annual leave

Question 2

The label of an insecticide (emulsifiable concentrate) states 'Dilution ratio: 2,000x; Spray volume per 10a: 150 L'. When preparing the spray solution for a 30a field, how much undiluted pesticide is required?

  1. A.
    A total of 225 mL of undiluted liquid is required
  2. B.
    A total of 150 mL of undiluted liquid is required
  3. C.
    A total of 300 mL of undiluted liquid is required
Show answer

Correct answer: A

The total spray volume for 30a is 150 L × 3 = 450 L (450,000 mL). At a 2,000x dilution ratio, the required amount of undiluted concentrate is 450,000 mL ÷ 2,000 = 225 mL. (Textbook: ASAT Level 2 Safety & Hygiene 4-3 p.25)

WordMeaning
insecticide
dilution ratio
spray solution volume
undiluted concentrate volume

Question 3

In Japan's food self-sufficiency rate (FY2022, weight basis), which commodity maintains the highest self-sufficiency level at approximately 97%?

  1. A.
    Soybeans and wheat with low domestic production
  2. B.
    Rice produced domestically as a staple food
  3. C.
    Fruits with an increasing share of imports
Show answer

Correct answer: B

On a weight basis (FY2022), Japan's food self-sufficiency rate is 97% for rice, compared to 79% for vegetables, 38% for fruits, 16% for wheat, and 6% for soybeans. (Textbook: ASAT Level 2 Crop Farming 第1章 2 p.2)

WordMeaning
food self-sufficiency rate
domestic production volume
for staple food use

Question 4

As light intensity on a plant is gradually increased, the light intensity at which CO2 absorption by photosynthesis equals CO2 release by respiration—making the apparent photosynthetic rate zero—is called the 'light compensation point'.

  1. A.
    ○ True
  2. B.
    × False
Show answer

Correct answer: A

The light compensation point is the light intensity where photosynthetic CO2 uptake equals respiratory CO2 release. When further increases in light intensity no longer increase the photosynthetic rate, it reaches the light saturation point. (Textbook: ASAT Level 2 Crop Farming 第2章 3 p.9)

WordMeaning
photosynthesis
carbon dioxide (CO2)
light compensation point
respiration

Question 5

As shown in the photo, which disease forms white flour-like fungal growth on the surfaces of leaves and stems and readily occurs even under relatively dry conditions?

As shown in the photo, which disease forms white flour-like fungal growth on the surfaces
  1. A.
    Gray mold, which grows gray fungal mold under cool, humid conditions
  2. B.
    Bacterial soft rot, which rots the stem base and emits a foul odor
  3. C.
    Powdery mildew, which covers leaf surfaces with white powdery mold
Show answer

Correct answer: C

Powdery mildew is a filamentous fungal disease that covers leaf and stem surfaces with white flour-like colonies, inhibiting photosynthesis and occurring readily under relatively dry conditions. (Textbook: ASAT Level 2 Crop Farming 資料 p.128)

WordMeaning
plant disease
drying, dry conditions
bacterial soft rot

Question 6

Direct-seeded rice cultivation eliminates nursery raising and transplanting, thereby reducing spring labor hours, but compared to transplanting it is more prone to unstable emergence and stand establishment, making weed control and lodging prevention critical.

  1. A.
    ○ True
  2. B.
    × False
Show answer

Correct answer: A

Direct seeding saves labor and cost by skipping seedling raising and transplanting, but emergence is more vulnerable to weather and birds, and weed control and lodging resistance require careful management. (Textbook: ASAT Level 2 Crop Farming 第3章 1 p.37)

WordMeaning
working hours
paddy rice
direct-seeded cultivation
transplanting cultivation

Question 7

In rice seed preparation, which combination correctly states the standard for 'saltwater selection' to select plump seeds and the subsequent 'seed soaking' process?

  1. A.
    Select non-glutinous rice at specific gravity 1.03 and soak at 25°C water temperature
  2. B.
    Select non-glutinous rice at specific gravity 1.13 and soak to a cumulative water temperature of 100°C
  3. C.
    Select non-glutinous rice at specific gravity 1.25 and soak to a cumulative water temperature of 30°C
Show answer

Correct answer: B

In saltwater seed selection, a specific gravity of about 1.13 is used to select sunken plump seeds, followed by thorough rinsing and soaking at 10–15°C until the cumulative water temperature reaches roughly 100°C-days. (Textbook: ASAT Level 2 Crop Farming 第3章 2 p.40)

WordMeaning
paddy rice
seed preparation
saltwater seed selection
seed soaking

Question 8

Among vegetable seeds, 'photoblastic (light-favored) seeds' have germination promoted by exposure to light. Which combination correctly lists light-favored seeds that require thin soil covering at sowing?

  1. A.
    Daikon radish, tomato, watermelon
  2. B.
    Onion, eggplant, cucumber
  3. C.
    Carrot, lettuce, napa cabbage
Show answer

Correct answer: C

Carrot, lettuce, napa cabbage, cabbage, and garland chrysanthemum are light-favored seeds and should be covered thinly with soil. Daikon radish, tomato, watermelon, and onion are dark-favored seeds . (Textbook: ASAT Level 2 Crop Farming 第5章 1 p.58)

WordMeaning
light-favored (photoblastic) seed
germination
soil covering

Question 9

Among covering materials used in greenhouse horticulture, which film has the best heat retention but easily attracts dust and suffers rapid decline in light transmittance due to aging, requiring replacement every 1–2 years?

  1. A.
    Fluoropolymer film (ETFE) with weather resistance exceeding 10 years
  2. B.
    Agricultural polyolefin film (Nou-PO) made from polyolefin resin
  3. C.
    Agricultural polyvinyl chloride film (Nou-bi) made from PVC resin
Show answer

Correct answer: C

Agricultural PVC film offers superior heat retention among soft films, but dust adheres easily and weather degradation lowers light transmittance quickly, requiring replacement every 1 to 2 years. (Textbook: ASAT Level 2 Crop Farming 第6章 1 p.77)

WordMeaning
greenhouse horticulture
covering material
heat retention
light transmittance

Question 10

In the soil moisture meter (tensiometer) diagram shown below, the vacuum gauge reads 'pF 3.2'. Which assessment of the soil moisture state and corresponding action is appropriate?

In the soil moisture meter (tensiometer) diagram shown below, the vacuum gauge reads 'pF 3
  1. A.
    The soil is dry, so irrigation should be carried out promptly
  2. B.
    Soil moisture is within the optimal range, so continue monitoring
  3. C.
    Soil moisture is excessive, so drainage measures should be taken
Show answer

Correct answer: A

The optimal pF range for crop growth is 1.8 to 2.7. A reading of pF 3.0 or higher (such as pF 3.2) indicates dry soil where water is held tightly, requiring prompt irrigation. (Textbook: ASAT Level 2 Crop Farming 第6章 2 p.81)

WordMeaning
soil moisture meter
irrigation, watering
drainage measures
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Lessons: Agriculture (SSW 2)