Education

Waec 2017 Biology Practical Answers – May/June Expo

By

on

Waec 2017 Biology Pratical Answers – May/June Expo
Waec 2017 Biology Pratical Answers – May/June Expo

Our Music Promotion Is Classic¦ Call09033771655 For Your Music Promotion

WAEC BIOLOGY PRATICAL QUESTIONS AND ANSWERS

 
1ai)
i)Arthropoda
1aii)
i)They have segmented
bodies
ii)Their bodies are divided
into head, thorax and
abdomen
iii)They have jointed
appendages
iv)They have exoskeletons
1bi)
In tabular form
sp C
i)It has wings
ii)It has jointed legs
iii)It has antennae
iv)It does not have clasper
sp D
i)It does not have wings
ii)It does not have jointed
legs
iii)It does not have
antennae
iv)It has clasper
1bii)
sp C
i)the antennae are not
segmented
ii)The eyes are smaller
iii)It has labial palps
sp E
i)The antennae are
segmented
ii)The eyes are larger
iii)It does not have labial
Palps
===============
2 ai )
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
2 aii )
i ) It is a good source of
carbohydrates
ii ) It supplies Energy
iii ) It serve as primary
producer for heterotrophs
2b)
F – Is a root & tuber
G – is a stem & tuber
2bii) Specimen F
– it has an adventitious root
– it has bud at the base
Specimen G
– 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
Specimen H
– it has proboscis
– it is smaller than J
– it feed on blood
– it has no color
SPECIMEN J
– It has Labrirum
– It is Larger
– it feed on abandon food
– it is dark brown
Q2c) You are to draw a
table, the difference
between H and J
2dii)
– 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
2ei)
H – as proboscis for
sacking blood
J – It as Labrirum for
bitting & chewing.
2eii)
– has a pair of antenna for
preserving food
– Has a bitting& chewing
mouth part.
==========
(4ai)
Annelida
(4aii)
(i)Body is elongated and
vermiform.
(ii)It has segmented body
(4aiii)
Underground
(4bi)
(i)Their streamlined shape
allows them to burrow
through soil.
(ii)They have no skeletons
or other rigid structures to
interfere with their
movement.
(4bii)
(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.
(4c)
[Drawing]
 


Click on Download Image to download Original Format

About Okoli

4 Comments

  1. asquare

    April 25, 2017 at 8:49 pm

    sounds like an insult”LET ME WARN YOU AGAIN”

  2. Belemzy

    April 26, 2017 at 6:47 am

    Plz,help-us

  3. emmanuwl sunday

    April 26, 2017 at 8:19 am

    pls answer has not come y

    .

  4. Adey Olorunda

    April 26, 2017 at 9:17 am

    Tanx U 4 Ur Effort’4posting D” Ans”

Leave a Reply

Your email address will not be published.