Neco 2017 Biology Practical Questions And Answers Now Available

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*BIOLOGY PRACTICAL ANSWERS*

1ai)
A=Toad
B=Thoracic Vertebra
C=Lumbar vertebra
D= Pride of Barbados
E=Millipede
F=Agama Lizard

1aii)
DRAW literal view of Thoracic Vertebra (check image in pdf)

1aiii)
B===>located in chest, attached to the ribs
C===>located in loin

 

1aiv)
Tabulate
SPECIMEN B
i)They are 12 in number
ii) they are large
iii) They are rigid
iv)less vulnerable to degenerative conditions
v) less massive

SPECIMEN C
i)They are only 5
ii)They are the largest
iii)They are flexible
iv) more vulnerable to degenerative conditions due to its weight – bearing function
v) more massive

1v)
i) Both have large centrum
ii)Both have neural spine
iii) Both support the body and protect the spinal cord

3i)
M-Adult butterfly
N-prawn
O-earthworm
P-tapeworm
3ii)
M-the class to which it belongs is INSECTA

3iii)
OBSERVATION Feature of M:

i. A pair of clubbed antenae
Ii. A head,thorax and abdomen
Iii.wings.

3iv)
OBSERVABLE feature of N:
i.antenea
Ii.pincer
iii.abdomen
Iv.swimmerets
V.walking legs

3v)
M- pollination of flowers
N-serve as food to man

================================

2ai)
G- foot of domestic fowl
H-foot of domestic duck
I-tomatoe fruit
J-coconut fruit
K-dry bean pod
L-combretion fruit

2ii)
i-they both have claws
ii-they both have three toes in front and one at the back
iii-they are both used for walking

2iii)
Spc- H is webbed while sec-G is not

2iv)
i-for scratching
ii-for walking/running i.e locomotion

2v)
i-prominent hind limb for running away from treats
ii-prominent claws for scratching the ground in search of food

2bi)
I- simple sacculent fruit – berry
J-simple sacculent fruit – drupe
K-simple dry dehicent fruit- legume
L-simple dry dehiscent fruit
2bii) Tabulate I and J

specimen-I
i)multi-seeded
ii)endocarp is juicy
iii)mesocarp is juicy
iv)several carpel are founded
v)several ovaries

specimen-J
i)one seeded
ii)endocarp is hard
iii)
iv)monocarpel
v)superior ovary
specimen-Ispecimen-Ji)multi-seeded

ii)endocarp is juicy

iii)mesocarp is juicy

iv)several carpel are founded

v)several ovariesi)one seeded

ii)endocarp is hard

iii)

iv)monocarpel

v)superior ovary

 

 

 

 

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