SIMPLE 2017 WAEC GCE BIOLOGY QUESTIONS & ANSWERS APPROVED

STANDARD WAEC GCE BIOLOGY PRACTICAL QUESTIONS & ANSWERS | SIMPLE 2017 WAEC GCE BIOLOGY QUESTIONS & ANSWERS APPROVED | PAST QUESTIONS, EXPO ANSWERS, BIOLOGY RUNZ 2017, biology waec questions and answers | waec biology practical question | biology waec questions 2017 | 2017 wassce biology questions | waec gce past question on biology | biology jamb past questions and answers pdf | biology waec question 2017 | jamb past questions and answers 2017.

Biology pract 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.

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

3ai) Firstly State the phylum of Specimen G,H,I and J.

3aii) State the class of earthworms.

3aiii) Furthermore – State the scientific name of specimen G.

3bi) Afterward – State the order of the specimens.

3c)Similarly –  state the observable feartues of specimen G.

3cii) Lastly – 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
-it has two seeded leaf.

1c)
A-rice,oil palm
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
-A has vibrous root while B has tap root
-Furthermore – 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)
-Firstly – They are both flowering plants
-Furthermore – They are both seed plants
-Finally – 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
-Finally Grass->mouse->snake ->eagle.

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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
-Finally C doesnt have pyrenoid while E has pyrenoid.

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4c)
-Firstly They are producers
-Furthermore they produce organic matter for agriculture
-As a matter of fact They are used as food for man
-Finally 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.

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