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1993 WAEC Agricultural Science Practical Examine and study carefully specimen H and L.     (a) Name the part of...

Agricultural Science
WAEC 1993

Examine and study carefully specimen H and L.

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(a) Name the part of the body of farm animals from which either specimen H or I can be found.

(b) Name the group of farm animals which possess each of specimens H and I

(c) A farmer has two types of livestock feed labelled X and Y. Feed X contains 60% milled maize cobs and 40% maize powder while feed Y contains 30% milled maize cobs and 70% maize powder. Which of the feeds, X or Y would a farmer feed the group of livestock possessing specimen H? Give four reasons for your answer.

(d) Draw a labelled diagram of specimen l to show its essential features.

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Explanation

(a) Specimen H is a piece of rumen which ís derived from the alimentary canal of ruminant animals e.g Cow while Specimen I is gizzard or alimentary canal of poultry bird up to gizzard. It is derived from the alimentary canal of a bird.

(b) Specimen H is possessed by ruminant animals like cattle, sheep and goat while specimen I is derived from non ruminant especially, poultry birds e.g. domestic fowl.

(c) Feed X contains 60% milled maize cobs and 40% maize powder while Feed Y contains 30% milled malze cobs and 70% maize powder. From the above feeds, a farmer would prefer to feed his livestock possessing specimen H ( rumen) with Feed X.

Reasons:

  • Livestock possessing specimen H has complex stomach structures which can easily digest feedX.
  • The digestion of feed X is aided by bacteria
  • Feed X is high in crude fibre and low in carbohydrate.
  • The livestock can ruminate on feed X.

(d)  Open Photo


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JAMB CBT Software 2024 - Free Download
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Software 2024 - Free Download
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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