TODAY’S BIOLOGY PRACTICAL ANSWERS WAEC GCE 2017

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TODAY’S BIOLOGY PRACTICAL ANSWERS WAEC GCE 2017

Confirmed 2017 Waec Gce Biology Practical Questions & Answers

TODAY’S BIOLOGY PRACTICAL ANSWERS WAEC GCE 2017 – Biology gce waec update 2017 this is confirmed 2017 Waec Gce Biology Practical Questions & Answers | This page have verified established though past years questions but confirmed real 100% sure complete & approved 2017 Waec Gce biology practical past questions and answers – Confirmed 2017 Waec Gce Biology Practical Questions & Answers – waec gce practicals gce waec science practicals biology waec practicals 2017 waec gce 2017.

Biology practical questions

2b) State 3 Observable features of Specimen E & F.
2bii) State 3 adaptive xteristics of Specimen E & F.
2c) State 5 diff btw specimen E & F.
2di) Define Vegetative propagation.
2dii) State 2 importance of Vegetative propagation.
2diii) State 1 disadvantages of vegetative propagation.

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3a)
Firstly Specimen G – earthworm
Specimen H – honeybee
Specimen I – grasshopper
Lastly Specimen J – cockroach.

3ai) State the phylum of Specimen G,H,I and J.
3aii) State the class of earthworms.
3aiii) State the scientific name of specimen G.
3bi) State the order of the specimens.
3c) state the observable feartues of specimen G.
3cii) state the adaptive features of specimen H I J.

BIOLOGY PRACTICAL ANSWERS.

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.

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1bi)
A-Monocotyledon
B-Dicotyledon
1bii)
A-it has one seed leaf
-it has a parallel vein
B-leaf has net vein
-Finally it has two seeded leaf.

1c)
A-rice,oil palm
Lastly B-groundnut,cowpea,mango.

1di)
-Firstly A has parallel vein while B has net vein
-A has one seed leaf while B has two seed leaves
-Furthermore A has vibrous root while B has tap root
-Lastly 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
-Lastly 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
– Lastly They are both vascular plants.

TODAY’S BIOLOGY PRACTICAL ANSWERS WAEC GCE 2017

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.

TODAY'S BIOLOGY PRACTICAL ANSWERS
BIOLOGY PRACTICAL ANSWERS

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
-Lastly 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
-Lastly C doesnt have pyrenoid while E has pyrenoid.

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4c)
-They are producers
-They produce organic matter for agriculture
– Also they are used as food for man
– Lastly They are decomposers.

4cii)
-Rat flea/plague
-Tuberculosis
-Pneumonia
-Meningitis.

4di)
C-flagellum
D-cilia
4dii)
microscope.

4e)
-Firstly They both posses nucleic materials
-Lastly They are both one celled that are capable of independent life

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