Tillage, Sowing, Plant Protection, Harvesting Machinery MCQs

25 Score: 0 Attempted: 0/25 Subscribe

1. : The mould board plough is primarily used for:
(A) Seed sowing
(B) Primary tillage and soil inversion
(C) Secondary tillage
(D) Intercultural operations

2. : The draft of a plough mainly depends on:
(A) Soil type, moisture, depth, and speed
(B) Tractor horsepower only
(C) Width of furrow only
(D) Weight of tractor

3. : The working speed of a disc harrow is usually:
(A) 2–3 km/h
(B) 4–6 km/h
(C) 8–10 km/h
(D) More than 12 km/h

4. : The component of a seed drill that regulates seed flow is called:
(A) Furrow opener
(B) Seed metering mechanism
(C) Seed tube
(D) Hopper lid

5. : Fluted roller metering mechanism is commonly used for:
(A) Cereals like wheat, maize, and barley
(B) Cotton and groundnut
(C) Vegetables only
(D) Paddy seedlings

6. : The optimum row-to-row spacing in seed drills is maintained by:
(A) Tractor speed
(B) Number and spacing of furrow openers
(C) Draft of tractor
(D) Shape of plough

7. : The functional part of a sprayer that atomizes the liquid into fine droplets is:
(A) Tank
(B) Pump
(C) Nozzle
(D) Pressure gauge

8. : The type of sprayer best suited for tall trees is:
(A) Hand compression sprayer
(B) Knapsack sprayer
(C) Rocker sprayer
(D) Power sprayer

9. : Dusting in plant protection is preferred when:
(A) Wind speed is very high
(B) Crops are wet
(C) Crops are dry and humidity is low
(D) Crops are lodged

10. : A boom sprayer is mainly used for:
(A) Row crops and field crops
(B) Orchards
(C) Greenhouses
(D) Small garden plants

11. : The component of a combine harvester which cuts standing crop is:
(A) Threshing drum
(B) Cutter bar
(C) Cleaning sieve
(D) Straw walker

12. : The cylinder-concave mechanism in a combine harvester is used for:
(A) Straw chopping
(B) Threshing of grain from crop
(C) Cleaning of grain
(D) Chaff separation

13. : The working speed of a combine harvester is usually:
(A) 1–2 km/h
(B) 3–5 km/h
(C) 7–10 km/h
(D) More than 12 km/h

14. : The cleaning efficiency of a thresher is expressed as:
(A) Clean grain ÷ Total output × 100
(B) Straw ÷ Total grain × 100
(C) Unthreshed grain ÷ Total grain × 100
(D) Damaged grain ÷ Total grain × 100

15. : A reaper is used for:
(A) Ploughing
(B) Harvesting standing crops
(C) Transporting bundles
(D) Threshing grains

16. : The functional unit of a seed-cum-fertilizer drill that delivers fertilizer is:
(A) Fluted roller
(B) Fertilizer metering device
(C) Seed tube
(D) Furrow opener

17. : In rotary tillers (rotavators), the blades are fixed on:
(A) Cutter bar
(B) Rotor shaft
(C) Plough beam
(D) Harrow disc

18. : The intercultural operation of weeding in row crops is best performed by:
(A) Cultivator
(B) Disc plough
(C) Mould board plough
(D) Harrow

19. : The most common harvesting machine for paddy and wheat is:
(A) Mower
(B) Combine harvester
(C) Chaff cutter
(D) Seed drill

20. : The concave clearance in a thresher is adjusted to control:
(A) Threshing efficiency and grain damage
(B) Fuel efficiency
(C) PTO speed
(D) Straw quality

21. : A mower is designed to:
(A) Cut forage crops and grasses
(B) Sow seeds
(C) Clean grains
(D) Apply pesticides

22. : The power requirement of a reaper is generally in the range of:
(A) 1–2 HP
(B) 3–7 HP
(C) 8–12 HP
(D) 20–40 HP

23. : The function of a winnowing fan in a thresher is to:
(A) Increase cylinder speed
(B) Separate chaff from grain
(C) Feed crop material
(D) Reduce grain moisture

24. : The intercultural equipment best suited for weeding in between paddy rows is:
(A) Tractor cultivator
(B) Hand hoe
(C) Cono weeder
(D) Disc harrow

25. : The main advantage of zero-till seed drill is:
(A) Reduced power requirement
(B) Higher draft
(C) Higher seed damage
(D) Increased labor cost