2021 NECO BIOLOGY PRACTICAL Questions & Answers: 2020 NECO BIOLOGY PRACTICAL ANSWERS Night before Exam

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(1ai)
Specimen; A is yam tuber
Specimen; B is cassava tuber
Specimen; C is quadrant
Specimen; D is insect net
Specimen; E is rain guage
Specimen; F is rice grain
Specimen; G is dry groundnuts seed

(1aii)
Specimen; A is propagated from small tubers
Specimen; B is propagated by stem
Specimen; F is propagated by seeds

(1aiii)
Specimen; C is used for for study of the distribution of an item over a large area.
Specimen; D is used for prevention against insects
Specimen; E is used to measure the precipitating rain

(1bi)
(i)The surface of B turn blue-black
(ii)starch is present

(1bii)
Specimen; F grains (cereals)
Specimen; G puises (legume)

(1biii)
(i)The paper appears translucent
(ii) Specimen; G contain fat and oil or fat and oil is present in specimen G


(1biv)
Protein


2021 NECO BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
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(2ai)
H - Contour feather
I - Quill feather
J - Filoplume
K - Millipede
L - Centipede

(2aii)
(i) They protect birds from the cold
(ii) They are used for flight
(iii) They provide insulation to birds
(iv) They serve as waterproof to birds

(2aiii)
(i) Wings
(ii) Tail

(2bi)
Diagram of specimen I.



(2bii)
(i) H - It aids in thermoregulation
(ii) J - It helps birds in detecting changes in feather position caused by body movement or wind

(2biii)
K - Diplopoda
L - Chilopoda.

(2biv)
In tabular form
Specimen K:
(i) They are more rounded.
(ii) They have two sets of legs per segment positioned directly under their body.

Specimen L:
(i) They have a flatter body
(ii) They have one set of legs per segment positioned on the side of their body.


2021 NECO BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
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(3ai)
M - Grasshopper
N - spider
O - Larva of a house fly
P - Larva of a mosquito
Q - Flamboyant flower
R - Hibiscus flower

(3aii)
(i) M - Insecta
(ii) N - Arachnida

(3aiii)
(i) Specimen N has four pairs of legs.
(ii) It has two additional pairs of appendages.
(iii) Specimen N does not have antennae or wings.

(3aiv)
O - Decaying matter
P - stagnant water

(3bi)
(i) Anthers
(ii) Filaments

(3bii)
Diagram of specimen Q.


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2021 EXAM DATES
NABTEB: 14th June - 9th July
NECO: 5th July - 16th August
WAEC: 16th August - 30th Sept


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QUESTIONS AND ANSWERS FOR 2021 NECO BIOLOGY PRACTICAL ANSWERS


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Updated At: June 16th 2021, (01:06:08)

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