2017/18 Biology Practical Ans

👨🏾‍💻 BccM Coded Tips NatioN
No: 08166037729
Title: Biology p NabteB

1i)
i)carbon(iv)oxide
ii)chlorophyll
iii)sunlight
iv)water and mineral salts
1ii)
i)protection: skin protects the body against entrance by microtes etc
ii)excretion: skin excretes excess water mineral salts and some nitrogenous wastes through the sweat glands as sweat
1iii)
i)transport of oxygen
ii)temperature regulation
1iv)
i)presence of chlorophyll for photosynthesis
ii)presense of cellular cell wall
1v)
i)it promote measures for the control of the world’s major disease’s through vaccuiation programmes and use of aritibioties
ii)it helps to set up international quararrayive regulation
1vi)
i)sieria-leone
ii)nigeria
1vii)
-monocotyledonous-
i)they store food in the endo sperm
ii)posses parallel veriation
-dicotyledonous-
i)they store food in the cotyledon
ii)posses not veriation
1viii)
i)protein 15%
ii)fats and oil 15%
iii)vitamins,minerals and water 10%
iv)carbonhydrate 60%
1ix)
i)canning
ii)suning
iii)smoking
iv)dehydration
1x)
i)soil
ii)forestry
iii)wild life
iv)water
1xi)
i)water ferns
1xii)
i)they manufacture food for plant
ii)they help in interchange of gases in plant
1xiii)
i)lungs
ii)gills
iii)tracheal
iv)skin
1xiv)
i)to help attract pollinators to a plant and in fertilization so that the plant creates seed
ii)they mediate the joining of the sperm contain within pollen to the ovules contained in the ovary
1xv)
i)retina
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2ai)
A-tilapia fish
B-adult toad
C-cockroach
2aii)
A-pisces
B-Amphibian
C-insecta
2b)
A-source of food
B-source of protein
2c)
Make a drawing of the side view of tilapia fish and lebel fully (your drawing should be between 6-8cm long)
CLICK HERE FOR THE DIAGRAM
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3ai)
D- grasshopper
E- groundnut seed
3aii)
D-it destroys crops
E-it is a source of protein, fat and oil
3bi)
A- aquatic habitat
D- terrestrial habibat
3bii)
i)presence of lings for flight
ii)presence of a pair of Artemis for locomotion
iii)presence of a pair of legs for movement
3c)
specimen C – cockroach
i)Dark or brown in colour
ii)it is bigger in size
ii)it arterma is longer
secimenp D- grasshopper
i)green in colour
ii)it is smaller in size
iii)it anterma is shorter
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4ai)
E-Groundnut seed
F-cowpea seed
4aii)
i)melon
ii)mango
4bi)
i)epigeal germination
ii)the specimen are leguminous plants,they contribute to the soil fertility by nitrogen fixation mechanism
4ci)
i)weavil
4cii)
i)fat and oil
ii)protein
4ciii)
i)by sunning
ii)by canning of bitting
iii)by dehydration
iv)by application pasticides
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5ai)
i)body division is three head thorax and abdomen
ii)presence of a pair antenna
iii)presence of 3 pair of walking legs
iv)presence of lungs
5aii)
i)exoskeleton
5b)
dorsal view of specimen D- Grasshopper
CLICK HERE FOR THE DIAGRAM
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