Waec Model Questions Vol1 2020 Agricultural Science Question 3

Practice essay / theory question 3 from the 2020 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Tools .

Waec Model Questions Vol1 2020 Agricultural Science Essay / Theory

Topic: Farm Tools

Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • essay

Waec Model Questions Vol1 2020 Agricultural Science Question 3 diagram

The illustration shows a simple manual seed drill used on a small farm. The parts are labelled as follows: A – seed hopper, B – metering disc, C – furrow opener, D – press wheel, and E – supporting frame.

Question Parts

( a )

Identify each labelled part (A–E) and state its primary function in the operation of the seed drill.

( b )

Explain how seed spacing is controlled in this drill and calculate the number of seeds that will be placed per metre of row if the metering disc has 12 equally spaced holes and the press wheel moves the drill forward 0.5 m for each complete revolution.

( c )

Discuss two advantages and two limitations of using a manual seed drill compared with broadcasting seeds by hand.

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About This Question

This is Waec Model Questions Vol1 2020 Agricultural Science Question 3. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Farm Tools .

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