2017 WAEC GCE Biology (Alternative to Practical) Answers
II-Spine of scapula
IV -Glenoid cavity
(ii) Ball and socket Joint
(i) It holds the upper limb to the axial skeleton
(ii) Attachment of muscles
I – Sunlight
II – Oxygen
III – Bubbles of gas
IV – test tube
V – funnel
VI – water
VII – Beaker
(i)To show that oxygen is given off During photosynthesis.
(iv) The oxygen can be tested by bringing a glowing splincter close to it,which will be rekindled.
A- Commensalism relationship
C- symbiotic relationship
beneficial | harmful
A and B
C and D
A-cattle and cattle egrets
B-Fox and hen
C-Moss and tree
E-Pig and tapeworm
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
D-epiphytism. a form of mutualism in which one plant lives on the surface of another
II) Hind limb
-They are poikilothermic or cold blooded animals |They are aquatic animals
-They have fins which are used for movement/gaseous exchange in water|They have gills which are used for gaseous exchange
-They have naked or moist and glandular skin with no external skin |The skin is covered by scales but few are without scales
-They both posses scale
-They both posses eyes
-They both posses respiratory organs
Class of vertebrae A-Amphibian
Class of vertebrae B-Pisces
-They posses fins which are used for movement
-They posse swim bladder which enables them to maintain bouyancy in water
-They posses lateral line system of vibration
-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
-They are use for the preparation of local medication
-They are use for food
Take Our Free Runz: 2017 WAEC GCE Biology (Alternative to Practical) Answers will be posted here for free but 60 minutes after exam starts.
Take Our Paid Runz: With N400 we will send you the password to view all the answers 3 hours before exam starts. To make payment, simply buy MTN Recharge card of N400 and send it to 09067385575 . You can also do transfer to the number.
How to send the card: Type the card pin, your subjects & phone number and send to 09067385575. You can also call or message the above number for more details.
Why we are the best? We give you 24/7 customer support. We give you another subject for free if you didn’t get the answers for the one you paid for. We offer the cheapest Runz (N400 per Subject, N2000 for 5-9 Subjects and N4000 for all our runz). Our answers are real and genuine. We also give free Runz to candidates who cannot afford our paid Runz. Where else on the internet can you get this kind of service? Subscribe now and enjoy while it lasts!
Refresh this page 60 minutes after exam starts for our Free answers.