Tuesday, 26 April 2016

Biology practical answers

)
i)H= upper abdominal region
ii)K = thoracic region
iii)M = lower abdominal region
2bi)
i)BILE
2bii)
i)it emulsifies fat & oils
ii)provide alkaline medium for digestion of food
2biii)
i)H = Liver
2ci)
i)Dark brown in color
ii)dense and bulky
SPECIMEN K
i)Reddish in color
ii)it is soft & moist
2cii)
i)has large surface area
ii)it supplied in blood vessel
2d)
i)K = For respiration
ii)M = Excretion of wate product
(1ai)
Observation:Blue black colouration is observed
Result: Starch is present
(1aii)
Observation:No colour change is observed
Result:Starch is present
(1bi)
TABULATE
Specimen Abr /> -Mould is absent
-Sporangium is absent
Specimen Bbr /> -Mould is present
-Sporangium is absent
(1bii)
-Presence of moisture
-Suitable temperature for the growth of mould
(1biii)
-Mould
(1biv)
Saprophytic
(1ci)
(1cii)
Yolk:Supply nutrient to the embryo
Air space:Provide air for the developing embryo
Shell:Give shape and protection to the embryo
Chalaza:Hold and suspend the embryo in position
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1a)
OBSERVATION
i) blue-black colour was observed precipitate
RESULT
i) starch is present
more coming.
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2)
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3)
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4ai)
S-partly aquatic&terrestrial
U-terrestrial (usually in uncompleted building)
W-open grassland/gardens/farmland/forest
4aii)
S-amphibia
U-reptilia
W-insecta
.4bi)
i) presence of two pairs of limbs
ii) presence of typacium
iii) presence of head with two eye
iv) a wide mouth with sticky tongue
4ci)
male
4cii)
i) it has a brightly colour head
ii) it has gular fold
4d)
i) it has irebbed feet for swimming
ii) possession of mouth with sticky tongue for feeding
iii)dark brown skin for cam flage
iv)possession of poission gland for protection
4e)
grass---->locust---->toad


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Nonso Michael

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I am Nonso Michael. I am a trained mobile phone software engineer, I enjoy helping people fix software problems in their phone.email me nostech4nija at gmail dot com

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