2019 NECO GCE BIOLOGY PRACTICAL ANSWERS

2019 NECO GCE BIOLOGY PRACTICAL ANSWERS

2019 NECO GCE BIOLOGY PRACTICAL ANSWERS

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2019 NECO GCE BIOLOGY PRACTICAL ANSWERS

(1a)

A – Tilapia fish

B – Frog

C – Lizard

D – Bird

(1aii)

A – Pisces

B – Amphibia

(1aiii)

I – Lateral lines

II – Pectoral fin.

III – Tympanum

IV – Digits

v – Tail

VI – Unwebbed digits.

VII – Beak

VIII – Eye

(1aiv)

II – For movement and balance.

III – For hearing.

IV Movement/crawling.

VI – Crawling.

VII – For Feeding.

VIII – For Seeing

2019 NECO GCE BIOLOGY PRACTICAL ANSWERS

(1av)

Under B

(i) It lives in water and in land.

(ii) It possesses beak.

(iii) Presence of long legs.

(iv) Absence of scales on legs.

Under D

(i) It lives on trees.

(ii) Absence of beak.

(iii) Absence of long legs.

(iv) Presence of scales on long legs

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(2a) Typing……

(2b)

(i)

Lowest- January.

Highest- October.

(2b)

(ii)

June and July.

(2b)

(iii)

June = 30

July =30

June + July = 30 + 30

= 60cm (amount of rainfall).

(2b)

(iv)

Oyo and Benue.

((2b)

(v)

Forest zone.

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(3ai)

J – coconut fruit

K – tomato fruit

L – Oil bean

(3aii)

J – Man

K – Animal

L – Wind

(3aiii)

I – Seed

II – Fibrous mesocarp

III – Seed

IV – Exocarp

V – Fruit stalk

VI – Placenta

(3bi)

M – Housefly.

N – Tick

(3bii)

M – insecta

N – Arachnida.

(3biii)

In a tabular form

Under M

(i) Three pairs of walking legs are present.

(ii) APossession of compound eye

(iii) The body is divided into head, thorax and abdomen.

Under N

(i) Presence of four pairs of walking legs.

(ii) Possession of simple eye

(iii) The body is divided into head and cephalothorax

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4 (i)

(E) Butterfly net

(F) thermometer

(F) Gas jar

4 (ii)

(E)it is used in trapping fishes

(F) it is used in measuring temperature

(G) it is used in collecting gasses

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