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1992 WAEC Agricultural Science Practical (a) ldenitity specimens J, K and L      (b)(i) Name two animal hosts for each...

Agricultural Science
WAEC 1992

(a) ldenitity specimens J, K and L

Tapeworm infestation in a returned traveller | GPonline  Roundworm | Roundworm, Types of worms, Worms  Beef (1kg) – Ogbete Market

(b)(i) Name two animal hosts for each of specimens J and K
(ii) In what part of the host is each of specimens J and K located?

(c) In a tabular forrn, state three differences between the eternal features of specimens J and K.

(d) Which of specimens J and K can be transmitted through specimen L to man?

(e) Name three intermediate hosts of specimen J.

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Explanation

(a)

  • Specimen J is tapeworm.
  • Specimen K is roundworm.
  • Specimen L is meat (beef/pork/mutton).

(b) (i) Specimens J found in;

  • cattle
  • pig
  • goat,
  • sheep:

Specimen K is found ín;

  • cattle
  • pig
  • goat,
  • sheep,
  • poultry,
  • rabbit

(ii) Parts of the animals where tapeworm and roundworm are found are:

  • Tape worm: Duodenum/small intenstine /gastro-intestinal Tact
  • Roundworm: Small intestine

(c) Difference between tapeworm and roundworm are;

Tapeworm Specimen J Roundworm Specimen K

Tapelike/flat

No pointed end

Segmented body

has suckers and hooks

Head present distinct but small

Round /cylindrical

Pointed at both ends

Unsegmented

No sucker/hook

No district head but has head region

 

(d)Specimen J, tapeworm can be transmitted through meat, (Specimen L) to man.

Prevention:

  • Proper sanitation inlivestock husbandry / personal hygiene.
  • Meat should be properly cooked.
  • Eat meat certfied as free from infection by meat inspectors.
  • There should be thorough inspection of animals before slaughtering.

(e) Intermediate hosts of tapeworm are:

  • pig,
  • cattie,
  • sheep,
  • goat,
  • earthworm,
  • housefly and ant.

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