Neco 2019 Biology practical Questions and Answers/ specimen | Examlord.com

 

 
(1ai)
SPECIMEN A – Bean seedlings
SPECIMEN B – Maize seedlings
SPECIMEN C – Coconut fruit
SPECIMEN D – Tridax fruit
SPECIMEN E – Frog
SPECIMEN F – Praying Mantis

(1aii)
A – Epigeal germination
B – Hypogeal germination

(1aiii)
A – The cotyledons are brought above the ground due to rapid elongation of hypocotyl
B – The cotyledons remain below the soil during germination

(1bi)
C – Water
D – Wind

(1bii)
C – Drupe
D – Cypsela

(1ci)
Drawing of Frog

(1cii)
Hindlimbs are longer than their forelimbs

(1ciii)
(i) Providing body support during sitting or walking
(ii) Pushing the body during jumps

(1d)
Specimen F
(i) Presence of two antennae
(ii) Presence of six legs

Specimen G
(i) Absence of antennae
(ii) Presence of four legs

(2a)
Specimen G Lizard
Specimen H snail
Specimen I grasshopper
Specimen J cockroach
Specimen K orange
Specimen L mosquito


(2b) Diseases transmitted by mosquitoes include:

(i) malaria
(ii) dengue
(iii) West Nile virus
(iv) yellow fever
(v) filariasis
(vi) tularemia
dirofilariasis

(2bii) Methods of CONTROLLING DISEASES SPREAD BY SPECIMEN L:

(i)Controlling mosquito breeding;
(ii)Preventing mosquitoes from biting people
(iii)Killing adult mosquitoes before they bite people
(iv) Killing malaria parasites in the blood before they can cause malaria.
(v) Early diagnosis, timely and adequate treatment of all Malaria cases.


(3ai)
Specimen M; Measuring cylinder
Specimen N; Soil sample (loamy soil)
Specimen O; Earthworm
Specimen P; Hygrometer
Specimen Q; Thermometer
Specimen R; Hand net

(3aii)
Specimen p; used in meteorological science to measure the humidity, or amount of water vapour in the air.

Specimen Q; Used for measuring temperature

Specimen R; Used for catching fish or used for hunting for fish in the river.

(3aiii)
(i)They improve the soil structure
(ii)They help to improve the fertility and nutrient content and availability in the soil
(iii)Earthworms improve soil drainage

(3bi)
(i)the soil sample settled below the water level
(ii)the water above the soil sample increase as soil goes down
(iii)the water above the soil sample get clearer

(3bii)Draw the
Digram.


COMPLETED

NECO 2019 SPECIMEN


BIOLOGY PRACTICAL SPECIMEN:

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SPECIMEN A: Bean seedlings (less than seven days old)
SPECIMEN B: Maize seedlings (less than seven days old)
SPECIMEN C: Coconut fruit (dry with husk)
SPECIMEN D: Tridax fruit
SPECIMEN E: Frog/Toad
SPECIMEN F: Praying Mantis
SPECIMEN G: Lizard
SPECIMEN H: Snail
SPECIMEN I: Grasshopper
SPECIMEN J: Cockroach
SPECIMEN K: Orange
SPECIMEN L: Mosquito
SPECIMEN M: Measuring cylinder
SPECIMEN N: Soil sample (loamy soil)
SPECIMEN O: Earthworm
SPECIMEN P: Hygrometer
SPECIMEN Q: Thermometer
SPECIMEN R: Hand net

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