2015 WAEC GCE BIOLOGY PRACTICAL ANSWER IS READY.GET IT NOW

2015 WAEC GCE NOV/DEC

EXAM DAY: MONDAY 

PAPER: BIOLOGY PRACTICAL

1ai)
I-flower
II-hypocotyl
III-stem
IV-margin
V-midrib
VI-node/leaf stalk
VII-inflorescense
VIII-leaf

1aii)
I-it carries out reproduction
II-it provides a space for the growth of flower
V-holds other part of the leaf together
VIII-aids the absorption of sunlight ie the photosynthesis

1bi)
A-Monocotyledon
B-Dicotyledon

1bii)
A-it has one seed leaf
-it has a parallel vein
B-leaf has net vein
-it has two seeded leaf

1c)
A-rice,oil palm

B-groundnut,cowpea,mango

1di)

-A has parallel vein while B has net vein

-A has one seed leaf while B has two seed leaves

-A has vibrous root while B has tap root

-A has the female and male parts of the flower at different part while B has both the male and female parts at the same part of the flower

-A is a grass with long and narrow leaves while B is a legume with broad leaves

1dii)

-They are both flowering plants

-They are both seed plants

-They are both vascular plants
2a)
Food web

2b)

Producer(grass)->primary consumer(cane rat,grasshopper,mouse)->secondary consumer(fox,lizard,snake)->tertiary consumer(man,hawk,Eagle)

2ci)

I-The population of the lizards will increase

II-More energy would be passed into the chain in the web containing grasshopper,lizards,hawk and man

III-Less energy might be available to mouse

I-The population of lizards would decrease

II-Less energy would be passed into the chain containing lizards

III-more energy would be available to mouse and cane rat

2d)

-Grass->mouse->snake->eagle->man

-Grass ->mouse ->Hawk->man

-Grass->mouse->snake ->eagle
4ai)

C-volvox

D-bacterium

E-spirogyra



(4aii)

I-flagellum

II-cytoplasmic connection

III-Cell

IV-cilia

V-granules

VI-nucleic material

VII-slimy capsule

VIII-chloroplast



(4bi)

C-colony

D-cell

E-filament



(4bii)

-Each cell can function as an independent living cell capable of cellular differentiation

-They can exist as colony or filament on their own



(4biii)

-C doesnt have cell wall while E has cell wall

-C doesnt have chloroplast while E has chloroplast

-C doesnt have pyrenoid while E has pyrenoid

4c)
-They are producers

-They produce organic matter for agriculture

-They are used as food for man

-They are decomposers

4cii)

-Rat flea/plague

-Tuberculosis

-Pneumonia

-Meningitis

4di)

C-flagellum

D-cilia

4dii)

microscope

4e)

-They both posses nucleic materials

-They are both one celled that are capable of independent life