Neco Gce 2016 BIOLOGY (obj and essay) Answers – Nov/Dec Expo

 Exam Time:
 2:00pm-4::30pm

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BIOLOGY OBj
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1ai) Bone joint: Thearea where two bones are attached for the purpose of permitting body parts to move1aii) A dislocation is an injury to a joint — a place where two or moreof your bones come together — in which the ends of your bones are forced from their normal positions



1aiii) hemorrhage-may be “external” and visible on the outside of the body or “internal,” where there is no signof bleeding outside the body.




1bii) The tapeworm actually consists of many white segments, joined together like a tape ii) They tape together and can get to be several feet long. Then they drop off to multiply. iii) is the segments that are seen as they shed. These segments contain the eggs, they look like wiggling grains of rice. iv)They are small so they can feed on their host with no problem and can reproduce in little space. Because they are parasitic, V) they do not need a digestive system. Their host does it all for them so nutrients can be absorbed directly through the body walls.

3b)i) tolerance:3bii)Adaptation: this is the ability ofan animal to survive in a given habitat.


 4aI) Conservation of natural resources refers to the sustainable utilization of natural resources, like soils, water, plants, animals, and minerals, timber, fish, game, topsoil, pastureland, and minerals, and also to the preservationof forests-forestry,wildlife-wildlife refuge, parkland, wilderness, and watershed areas



4b) Coagulation (also known as clotting )is theprocess by which blood changes from a liquidto a gel, forming a blood clot . It potentiallyresults in hemostasis , the cessation of bloodloss from a damaged vessel, followed byrepair. The mechanism of coagulation involvesactivation, adhesion, and aggregation ofplatelets along with deposition and maturationof fibrin.

5bi)
i. auxin
ii. gibberellin
5bii)
i. insulinii. estrogen


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