NECO Biology Practical Specimen Questions and Answers 2022

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NECO Biology Practical Specimen Questions and Answers 2022  is now release for the May/June 2022.  NECO Biology Practical Specimen Theory and Objective Answers (100%legit) Biology Practical Specimen  Essay verified Free  (Expo) for National Examination Council. NECO Biology Practical Specimen Questions For you to have good NECO result in  Biology Practical Specimen as well as repeated questions for free in this post. You will also understand how NECO Biology Practical Specimen questions are set and how to answer them. The National Examination Council is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and November/December respectively.

NECO Practical Biology Questions and Answers (Expo)

Note: The 2022 NECO Practical Biology answers (expo) will be posted here during the NECO Biology Practical exam. Keep checking and reloading this page to know when the answers are posted. Do not forget to reload this page in order to see the answers.

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Today’s NECO Biology Practical Answers: (2021 Answers)

(3ai)

N – Cactus plant

O – Water lettuce

P – Soldier termite

(3aii)

N – Dry or arid land (terrestrial)

O – Freshwater swamp (aquatic)

P – Soil or wood

(3bi)

Adaptive features of N (Cactus):

(i)Thick succulent stems for storing water

(ii)Spikes protect cacti from animals

(iii) Thick, waxy skin to reduce loss of water and to reflect heat.

Adoptive features of O (Water lettuce):

(i)Tiny hairs on the roots and leaves helps it to float

(ii)Waxy leaves, which help water run off easily

(iii)Hairy leaves trap air bubbles, making it survive oxygen-deficient mediums.

(3bii)

DIAGRAM OF SPECIMEN P:

(3ci)

(i)Good source of animal protein as food

(ii)Termites drive earthworms from soil that enhance soil fertility

(3cii)

(i)Soldier termites defend the nest from enemies and also protect the workers during food gatherings.

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

(2ai)

I – Spirogyra

J – Okro fruit

K – Mango fruit

L – Tick

M – Bean weevil

(2aii)

(i)Cup-shaped chloroplast

(ii)Green, with cylindrical cell

(2bi)

TABULATE

SPECIMEN J:

(i)Dry dehiscent fruit

(ii)Many-seeded

(iii0dispersal by explosion

SPECIMEN K:

(i)Succulent fruit

(ii)One-seeded

(iii)Dispersal by animal

(2bii)

L – Arachnida

M – Insecta

(2biii)

L – Bloodsucking of ticks causes skin irritation

M – Feed on seeds thereby reducing the quality and value of the beans.

(2ci)

DIAGRAM OF SPECIMEN K

(2cii)

TABULATE

SPECIMEN L:

(i)Have no wings to fly

(ii)Has no snout

SPECIMEN M:

(i)Have wings for flying

(ii)Has an elongated snout

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

(1ai)

A – Atlas vertebra

B – Thoracic vertebra

C – Scapula

D – Lumber Vertebra

(1aii)

A – Neck

B – Thorax

C – Pectoral girdle

D – Abdomen

(1aiii)

TABULATE

SPECIMEN A:

(i)Reduced neural spine

(ii)Centrum absent

SPECIMEN D:

(i)Neural spine broad and massive

(ii)Centrum present and well developed

(1aiv)

(i)Both B and D have no vertebrarterial canal

(ii)Both have prominent neural spines

(1b)

DIAGRAM OF SPECIM C:

(1ci)

E – Pooter

F – Sweep net

G – Tridax fruit

H – Tadpole

(1cii)

E – used for sucking in of tiny invertebrates such as insects from leaves.

F – Used for capturing flying insects such as butterflies.

(1ciii)

G is dispersed by wind.

(1iv)

(i)Sticky secretion for clinging to submerged vegetation.

(ii)Skin and external gills for respiration

(iii)Tail for swimming.

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NECO Bio Practical Practice Questions

The questions below are for practice, not the 2022 Biology Practical questions.

1. (a) (i) Phylum of specimens C/Butterfly and E/Grasshopper: Arthropoda

(ii) Reasons for the answer in 1 (a)(i): (I) Metameric segmentation/segmented bodies: (II) Jointed appendages; (III) presence of chitinous exoskeleton/exoskeleton made of chitin; (IV) Bilateral symmetry.

(b) differences between

(i)

C/ButterflyD/Caterpillar
Wings presentWings are absent
Proboscis presentMandibles are present
Proleg absentMandibles are present
Legs are longerLegs are shorter
Claspers are absentClaspers are present
Has one pair of compound eyesHas simple eyes
Has antennaeAbsence of antennae
Osmeterium absentOsmeterium present

(ii)

C/ButterflyE/Grasshopper
Presence of proboscisPresence of mandibles
Clubbed/rounded/knobbed antennaeNot clubbed/rounded/knobbed antennae/tapering antennae;
Wing is membreneous/softHarder/less membraneous wings/forewings are leathery
Surface of wing is powdery/have scales/eye spotsSurface of wing is not powdery/absence of scales/eye spots;
Hind limbs/legs smaller/shorter/less muscularHind limbs/legs/larger and elongated/more muscular
Abdomen is hairyAbdomen is not hairy/smooth

(c) Relationship between specimens C/Butterfly and D/Caterpillar:

(i) C/butterfly is the adult/image of D/Caterpillar

For those that would like to see the question paper, you can click on the link below:

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