WAEC 2018 Biology Practical Question and Answer – May/June Expo
B- decaying plant and animal matter
A) A phylum is Artropoda, class is insecta
B- phylum is Artropoda, class is insecta
i) well developed head with mouth brushes
ii) on large thorax with no legs
iii) segmented abdomen
i) reduced head
iii) mouth parts at the pointed end
1c) in tabular form
I) mosquito larvae can only survive in water
ii) well developed head
iii) mouth part in sucking
i) maggots do not need a water habitat to survive
ii) reduced head
iii) mouth parts for biting and chewing
i) both are legless
ii) both have thorax
iii) both have mouth parts
i)C- Tilapia fish
E- Mango plant
(a)Presence of gill filament which helps in gaseous exchange
(b)Presence of gill rakers which traps particles that might damage the delicate gill filament
(c)Gill arch which is bony and holds the gulls filament in shape
i)• Both have thin surface
ii)• Both are moist
(a)Gill arch is present
(b)Gill filament is present
(c)Gill rackers is present
(a)Gill arch is absent
(b)Gill filament is absent
(c)Gill rackers is absent
(ai) Sepals, Petals, Carpels and Stamens
(ii) Sepals – 5
(iii) Petals – 5
(iv) Carpels – 1
(v) Stamen – 10
(4bi) Sex – monoecious
(ii) presence of both Carpels and Stamens
i – Bilateral
ii – it can be cut vertically into two similar halves through one plane
K – insect
L – wind
In a tabular form; K and L
(i) Has very bright colours.
(ii) Single flower per stalk.
(iii) Has petals.
(iv) Lacks bracts.
(i) Lacks bright colours.
(ii) Bears many flowers per stalk(influorescence).
(iii) Lacks petals.
(iv) Has bracts.
For WAEC 2018 Biology Practical answer, Expospy send all exam expo answer earlier than others
2018/2019 Waec Biology PracticalQuestions And Answers, Expo. 2018/2019 Waec Real/Confirmed Biology Practical Expo/Runz, Questions/Answers. Verified/sure 2018/2019 Waec Ssce may/June Biology Practical Question And Answers Expo/Runz. 2018/2019 Waec/Wassce Real Biology Practical Runz, Questions and Answers. 2018/2019 Biology Practical Waec 2018/2019 Biology Practical Questions and Answers Runz/Expo. 2018/2019 Waec Ssce Biology Practical Questions/Answers, Expo/Runz. Waec 2018 Biology Practical expo, Questions And Answers