WAEC GCE 2017: Biology Practical Questions And Answers – WAEC GCE Expo

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100% VERIFIED BIOLOGY PRACTICAL QUESTIONS

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? 2017 WAEC GCE BIOLOGY PRACTICAL ANSWERS?

100% VERIFIED BIOLOGY PRACTICAL SNAPPED ANSWERS

1a to e. CLICK HERE

1d to g. CLICK HERE

2a. CLICK HERE

3a. CLICK HERE

4. CLICK HERE

4d. CLICK HERE

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100% VERIFIED BIOLOGY PRACTICAL  TYPED ANSWERS
(1ai)
Pectoral Girdle(Scapula

1aii)
I-Scapula
II-Spine of scapula
III-Coracoid
IV -Glenoid cavity
V-Acronium
VI-Metacromion

(1b)
(i) Humerus
(ii) Ball and socket Joint

1c)
i. It holds the upper limb to the axial skeleton
ii. Attachment of muscles

1d)
i. Sunlight
ii. Oxygen
iii. Bubbles of gas
iv. test tube
v. funnel
vi. Water
vii. Beaker
viii. Elodea

1e)
i)To show that oxygen is given off During photosynthesis.
ii)
-Sunlight
-carbon (iv)oxide

1f)
i.water
iiElodea
iii. Photosynthesis
iv. The oxygen can be tested by bringing a glowing splincter close to it,which will be rekindled.
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(2a)
A – Symbiotic relationship (mutualism)
B – Predation
C – Symbiotic Relationship
D – Epiphytism
E – Parasitism Beneficial.

(2b)
Beneficial
A
C
D

Harmful
B
E

(2ci)
A and B

(2cii)
C and D
2ciii)
B

(2d)
A-cattle and cattle egrets
B-Fox and hen
C-Moss and tree
E-Pig and tapeworm

(2ei)
C-Symbiotic relationships are a special type of interaction between species. Sometimes beneficial, sometimes harmful, these relationships are essential to many organisms and ecosystems, and they provide a balance that can only be achieved by working together

(2eii)
D-epiphytism is a form of mutualism in which one plant lives on the surface of another.
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4a)
i. Operculum
ii. Hind limb
iii. Tympanum
iv. Trunk
v- eye
vi- lateral line
vii- dorsal fin
viii- caudal fin

4bi)
Tabulate
Vertebra
i)they are poikilothermic or cold-blooded animal
ii)they have fins which are used for movement in water
iii)they have naked or moist and glandular skin with no external scales
iv)they do not show parental care
v)they have a two chambered heart

Vertebrate B
i)they are aquatic animal
ii)they have gills which used for gaseous exchange
iii)the skin is covered by scales but few are with out scale
iv)they show parental care for young onces
v)they have three chambered heart

4bii)
i)they both posses scale
ii)they both posses eyes
iii)they both posses respiratory organs

4ci)
A-amphibian
B-pisces

4cii)
i)they posses fins which are used for movement
ii)they posses swim bladder which posses swim bladder which enables them to maintain buoyancy in water
iii)they posses lateral line system for detectin of vibration

(4di)
-They posses pigment on their skin which act as a camouflage against its predators
-They posess scales on the skin which reduces water loss from the body
-They posses digits or claws use for self defence

(4dii)
-Water
-Land

(4diii)
-They are use for the preparation of local medication
-They are use for food

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