WAEC 2017 Biology Practical Alternative A Question And Answer | May June Free Expo.
If you are looking for WAEC 2017 Biology Practical Alternative A Question And Answer|Expo you are at the right website.
Academyhint.com posts all exam expo answer earlier than others
Time: Biology practical alternative A is spilt into two sets
1st set: 9:30am to 11:30pm
2nd set: 12:00pm to 2:00pm
WAEC 2017 Biology Practical Answer
i) They have segmented bodies
ii) Their bodies are divided into head, thorax and abdomen
) They have exoskeletons1bi)
In tabular form
i) It has wings
ii) It has jointed legs
iii) It has antennae
iv) It does not have clasper
i) It does would not have wings
ii) It does not have jointed legs
iii) It does not have antennae
iv) It has clasper
i) the antennae are not segmented
ii) The eyes are smaller
iii) It has labial palps
i) The antennae are segmented
ii) It does not have labial Palps
i ) Carrot is good source of vitamin .
ii ) It is a source of diet that improve vision
iii ) it is used in production of juice
i ) It is a good source of carbohydrates
ii ) It supplies Energy
iii ) It serve as primary producer for heterotrophs
F – Is a root & tuber
G – is a stem & tuber
– it has an adventitious root
– it has bud at the base
– It has some bud on its surface
– it is a swollen end of of a special underground plant.2c)
H – Class is Insecta
J – Class is insecta
Different btw H & J
– it has proboscis
– it is smaller than J
– it feed on blood
– it has no color
– It has Labrirum
– It is Larger
– it feed on abandon food
– it is dark brownQ2c) You are to draw a table, the difference between H and J
– They both has wing
– They are both active in the night
– They both breadth with aid of trachea system
– The body is divided into head thorax & abdomen
H – as proboscis for sacking blood
J – It as Labrirum for bitting & chewing.
– has a pair of antenna for preserving food
– Has a bitting& chewing mouth part.
(i)Body is elongated and vermiform.
(ii)It has segmented body(4aiii)
(i)Their streamlined shape allows them to burrow through soil.
(ii)They have no skeletons or other rigid structures to interfere with their movement.
(i) they improve the fertility of soil in different ways.and therefore they are important in agriculture
(ii) they also reduced the the alkalinity and acidity of the soil to provide better conditions for plant growth.
(iii) they are used for bait and food as bait they used it in catching fish.
S – Drupe
T – Berry
-The seed is not many
-It has seed chamber
-It has oval shape
-It has no sepal attached
-The seeds are many
-It does not have seed chamber
-It has a spherical shape
-It has sepal attached
–They both have succulent mesocarp
-They both have thin epicarp
-They both have seeds
-They both have endocarp
Loading Loading Loading!!!!!
You can Bookmark this page to get the Waec 2017 Biology Practical Expo.
NOTE: Get yourself prepare for WAEC 2017 Biology Practical by reading your notebooks and textbooks.
You can also have interest in checking west Africa examination Council WAEC syllabus