2013 WAEC PRACTICAL BIOLOGY FREE ANSWERS

1ai) a-
phylum:spermato ­phyta.
d- phylum:thalloph ­yta.
(aii) a-habitat-terre ­strial.
d-aquatic/ ­fresh water.
(1bi) asexual reproduction.
(bii)a=asexual (stem cutting),
b=asexual (by sucker),
c=asexual (rhizome),
d=asexual.



(2ai) respiration.
(2aii)(a)both has thin surface membrane
(b)both poccess moist surface area.
(2c)
(i)
Observation- it turns the iodine blue black
Inference - contains starch
(ii) Cortex
(iii) Phloem and xylem
(iv) Sclerenchyma and parenchyma



(4ci)
- both have underground stems
- both have swollen stem
(4cii)
1) P has rough tuber while R has smooth
tubber
(2) P has smooth stem while R has rough
stem
(4di) Very light , making it easy to convey
(4dii) N < S < M < L