NECO Physics Practical Questions and Answers | Download PDF. The National Examination Council of Nigeria (NECO) Examination is around the corner. This article provides the readers with the information on how to download NECO Physics Practical Questions and Answers. NECO Mathematics Questions are essential for you to know if you want to pass the NECO SSCE Mathematics Exams 2023.
The NECO Physics Practical questions and answers is a compiled material in PDF that contains past questions from NECO Mathematics Exams of previous years. The material comes with answers and is easily downloadable.
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NECO Biology Practical Sample Questions and Answers 2023
NECO Biology Specimen 2023
SPECIMEN A – Atlas vertebra
SPECIMEN B – Thoracic vertebra
SPECIMEN C – Scapula
SPECIMEN D – Lumbar vertebra
SPECIMEN E – Pooter
SPECIMEN F – Sweep net
SPECIMEN G – Tridax fruit
SPECIMEN H – Tad pole
SPECIMEN I – Spirogyra (filaments)
SPECIMEN J – Okro fruit
SPECIMEN K – Mango fruit
SPECIMEN L – Tick
SPECIMEN M – Bean weevil
SPECIMEN N – Cactus plant
SPECIMEN O – Water lettuce
SPECIMEN P – Soldier termite (mandibulate)
Note: The 2023 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.
NECO Biology Practical Answers 2023 Loading…
Today’s NECO Biology Practical Answers: (2023 Answers)
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
Specimen; A is propagated from small tubers
Specimen; B is propagated by stem
Specimen; F is propagated by seeds
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
Diagram of insect net.
(i)The surface of B turn blue-black
(ii)starch is present
Specimen; F grains (cereals)
Specimen; G puises (legume)
(i)The paper appears translucent
(ii) Specimen; G contain fat and oil or fat and oil is present in specimen G
Fat and oil
Specimen; H is contour feather
Specimen; I is quill feather
Specimen; J is Filoplume
Specimen; K is millipede
Specimen; L is centipede
(i)They provide insulation to birds
(ii)Feathers allow for flight
(iii)Feathers are used for defense
(iv)Feathers are used for camouflage
Diagram of specimen I.
(i)Specimen; H serve as aerodynamic
devices for flight
(ii)Specimen; J are used principally as insulation, to conserve body heat.
Specimen; K belong to the class Diplopoda
Specimen; L belong to the class Chilopoda.
In tabular form
(i)millipedes are more rounded.
(ii)Millipedes have two sets of legs per segment positioned directly under their body.
(i)centipedes have a flatter body
(ii)Centipedes have one set of legs per segment positioned on the side of their body.
Specimen; M is Grasshopper
Specimen; N is spider
Specimen; O is Larva (house fly)
Specimen; P is Larva ( mosquito)
Specimen; Q Flame of The forest flower
Specimen; R hibicuss flower.
NECO Bio Practical Practice Questions
The questions below are for practice not the 2023 Biology Practical questions.
- (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
|Wings present||Wings are absent|
|Proboscis present||Mandibles are present|
|Proleg absent||Mandibles are present|
|Legs are longer||Legs are shorter|
|Claspers are absent||Claspers are present|
|Has one pair of compound eyes||Has simple eyes|
|Has antennae||Absence of antennae|
|Osmeterium absent||Osmeterium present|
|Presence of proboscis||Presence of mandibles|
|Clubbed/rounded/knobbed antennae||Not clubbed/rounded/knobbed antennae/tapering antennae;|
|Wing is membreneous/soft||Harder/less membraneous wings/forewings are leathery|
|Surface of wing is powdery/have scales/eye spots||Surface of wing is not powdery/absence of scales/eye spots;|
|Hind limbs/legs smaller/shorter/less muscular||Hind limbs/legs/larger and elongated/more muscular|
|Abdomen is hairy||Abdomen is not hairy/smooth|
(c) Relationship between specimens C/Butterfly and D/Caterpillar:
(i) C/butterfly is the adult/image of D/Caterpillar
(ii) D/Caterpillar is the larva/larva stage of C/Butterfly
(d) (i) Habitat of specimen D/Caterpillar: Garden/Citrus leaves/vegetables/leaves/fruits/green plant has three pairs of true legs with claws for locomotion. (III) it has claspers; for attachment to vegetation/twid; (IV) presence of four pairs of prologs/false legs: for climbing; (V) its coloured pattern; enables it to blend with its environment/camouflages/escape predators; (VI) it has spiracles; for gaseous exchange, (VII) it has simple eyes for vision (VIII) has osmeterium; as defense mechanism/which emits foul smell to scare away predators.
(e) Diagram/drawing of dorsal view of specimen C/Butterfly
2(a)observable features of biological importance in
Specimen F/Carrot: (i) Main root/tap root/swollen/root tuber; (ii) Presence of lateral roots; (iii) Presence of short stem (green) ; (iv) Presence of foliage leaves; (v) Part of main root tapering
|H/Adult mosquito||J/Adult cockroach|
|Smaller in size||Big/large in size|
|A pair of wings||Two pairs of wings;|
|Absence of hard hind wing||Presence of hard hind wing/elytra;|
|Shorter antennae||Longer antennae|
|Absence of maxillary palp/maxilla||Presence of maxillary palp/maxilla|
|Thin legs||Thick/large legs;|
|Absence of spines on legs||Presence of spine on legs.|
Specimen G/Irish potato: (i) Swollen stem/stem tuber; (ii) Bud(s)/ eye; (iii) Lenticels; (iv) scale leaf; (v) adventitious roots(s)
(b) (i) Classification of (I) Specimen F/Carrot: Root tuber; (II) Specimen G/Irish Potato: Stem tuber. Stem (above the swollen tap root). Specimen G/Irish Potato: Swollen, Stem/tuber; presence of bud(s)/eye; presence of scale leaves/leaf; presence of lentice(s).
(c) Class of specimen H and J: insect
(d) (i) Observable differences between specimen H and J.
(ii) Similarities between specimens H/adult mosquito and J/adult cockroach:
(i) Presence of a pair of compound eyes
(II) Body is divided into three divisions/head, thorax and abdomen
(iii) three pairs of/six(walking) legs
(IV) presence of jointed appendages
(V) presence of a pair of membraneous wings
(VI) Presence of a pair of antenna
(VII) Both have exoskeleton made of chitin
(VIII) Segmented Body.
(i) Feeding Habit of Specimen H/adult mosquito: Piercing and sucking. Specimen J/adult cockroach: Biting and chewing
(ii) Observing features used for feeding in specimen J/adult cockroach: Mandible; maxillae; labrum
- (a) (i) Phylum of Specimen R/Earthworm: Annelida
(ii) Reasons for the classification of Specimen R/Earthworm:
(I) Presence of metameric segmentation/segments are separated from each other (by septa
(II) They are bilaterally symmetrical
(II) Segments are separated from each other
(IV) Presence of chaetae
(V) Body is covered by thin collagen cuticle
(VI) body is long and cylindrical.
(iii) Habitat of Specimen R/Earthworm:
(I) Under decaying leaves
(II) Wet/moist soil
(III) In open savanna/savannah beneath tall grasses
(IV) In the forests in decaying tree-stumps.
(b) (i) Features of adaption of Specimen R/Earthworm:
(I) Bristle like Caetae/seatea; for locomotion
(II) Mosit skin; for gaseous exchange
(III) Pointed anterior; for burrowing into the soil
(IV) Slimy body; reduces friction during movements
(V) Citellum; for attachment during exchange of sperms/reproduction/secretes cocoon (in which it eggs are deposited).
(ii) Economic importance of Specimen R/Earthworm:
(I) it aerates the soil
(II) it enriches/improves soil fertility
(III) its secretions neutralize the acid soil
(IV) Used as bait for fishing
(V) As food for some birds.
(c) Diagram/Drawing of the dorsal view of Specimen R/Earthworm
(d) Type of fruit: Specimen S/unripe mango fruit – Drupe, Specimen T/tomato fruit – Berry.
(e) (i) Observable differences between Specimens S and T
|Specimen C/Unripe Mango Fruit||Specimen T/tomato Fruit|
|Green in colour||Red/Yellow in colour|
|One seeded||Many seeded|
|Stony/hard endocarp||Fleshy/Succulent/Soft endocarp|
|Fibrous mesocarp||Succulent mesocarp|
|Seed large||Seed(s) small;|
|Basal placentation||Axile placentation|
|Mesocarp and endocarp are fused||Mesocarp had endocarp are not fused|
(ii) Similarities between specimens S and T:
(I) Both have seeds
(II) both are fruits
(III) Both have three layers/epicarp/mesocarp/endocarp/pericarp/fruit wall
(IV) Coloured epicarp/pericarp
(V) Both have placenta
(VI) Both have thin epicarp
(VII) both have fleshy mesocarp.
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Tips on How to Pass NECO Examination 2023
If you want to Past the NECO Examination this year, you will need to follow the instructions below.
- Practice daily with NECO Past Questions and Answers
- Write out your subjects, the dates and time.
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- Focus on only your first paper a week to the exam. This would make it sweet and you will have energy to read for other papers.
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- When you have two papers that are separated by only one day, read the second one first before going to the subject you have first.
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- Go through your timetable daily so that you don’t miss any paper.
- Don’t go to the hall when you are not having paper that day.
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