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Biology 1991 Jamb Past Questions and Answers

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Biology 1991 Jamb Past Questions


Question 11 :



In the earthworm, the cocoon is secreted by the

A. Chaeta
B. Prostomium
C. Peristomium
D. Citellum


Question 12 :



The function of maxillipeds in crayfish is to aid

A. Walking
B. Swimming
C. Feeding
D. Respiration


Question 13 :



The respiratory organ in the land snail is the

A. Radula
B. Mantle
C. Tentacle
D. Foot


Question 14 :



The gill rakers of fishes take part in

A. Feeding
B. Respiration
C. Swimming
D. Diffusion


Question 15 :



A wide pith with a ring of conducting tissue is characteristic of the root of

A. Sunflower
B. Maize
C. Bean
D. Okra






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