The NECO questions on Biology practical is out. See the free verified NECO exam Biology practical questions and answers 2024, and the guideline on how to use it. The Biology exam is set to take place tomorrow, being 25th of June, 2024.
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2024 NECO June/July Exam Biology questions And Answers
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NECO Biology Practical questions Papers
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NECO Biology practical exam Answers
Solving/Typing……
(1ai)
Spec: A – Onion (Bulb)
Spec: B-Ginger (Rhizome)
Spec: C – Irish Potato (tuber)
Spec: D – Potted Bean seedling (A week old)
Spec: E – Potted Guinea-com seedling (A week old)
(1aii)
Spec A: Vegetative propagation (by bulbs)
Spec B: Vegetative propagation (by rhizomes)
Spec C: Vegetative propagation (by tubers)
(1aiii)
[img]https://i.imgur.com/LwVfwVY.jpeg[/img]
(1aiv)
Specimen D: Epigeal germination (the seedling emerges from the soil and the cotyledons are above ground)
Specimen E: Hypogeal germination (the seedling remains underground and the cotyledons remain below ground)
(1av)
Specimen D;
(i)The seedling needs light to grow and develop
(ii)The cotyledons are photosynthetic and need to be above ground to perform photosynthesis
Specimen E :
(i)The seedling gets protection from harsh environmental conditions
(ii)The cotyledons can absorb nutrients from the soil without being exposed to light
(1avi)
Specimen D: Tap root system (a single main root that grows straight down into the soil)
Specimen E: Fibrous root system (many branching roots that spread out in all directions)
(1avii)
SPECIMEN D: Reticulate venation (net-like pattern of veins in the leaf)
Specimen E: Parallel venation (veins run parallel to each other in the leaf)
(1aviii)
Specimen; A – Onion (Bulb): Scale leaves (the thick, fleshy leaves that make up the bulb)
Specimen; B – Ginger (Rhizome): Rhizome (the underground stem that serves as a storage organ)
Specimen; C – Irish Potato (Tuber): Tuber (the underground stem that serves as a storage organ, consisting of starch and other nutrients)
(2ai)
Specimen; F – Pigeon’s head with the neck
Specimen; G- Atlas vertebra of a Rabbit
Specimen; H- Lumbar vertebra of a Rabbit
Specimen; I-Cactus plant
Specimen; J – Water lettuce
(2aii)
To support the head and allow for flexibility and movement of the neck.
(2aiii)
Specimen G:
First cervical vertebra (C1), located at the base of the skull
Specimen H:
Located in the lower back region, between the ribcage and the pelvis (L1-L7)
(2aiv)
Occipital bone
(2av) [img]https://i.imgur.com/bp5PTdM.jpeg[/img]
(2avi)
Mammalia.
(2avii)
Specimen I; Cactus plant
(i)Stem succulence (ability to store water in the stem)
(ii)Spines (reduce water loss through transpiration)
(iii)Deep roots (access water deep in the soil)
Specimen J; Water lettuce
(i)Floating leaves (allow the plant to stay afloat on the water surface)
(ii)Long stems (allow the plant to absorb nutrients from the water)
(3ai)
Specimen; K-Ripe Tomato fruit
Specimen; L – Ripe Palm fruit
Specimen; M-Ripe Tridax fruit
Specimen; N – Ripe Mango fruit
Specimen; O-Ripe flamboyant flower.
(3aii)
Specimen K; Berry
Specimen L; Berry
Specimen M; Cypsela
(3aiii)
Specimen K; Axile
Specimen N; Axile
(3aiv)
Specimen L; Dispersal by Animal
Specimen M; Dispersal by wind
(3av)
(i)Hooks
(ii)Lightweight
(iii)Sticky surface
(3avi)
Specimen K
(i)Small sized
(ii)Red coloured
Specimen
(i)Big sized
(ii) Yellow coloured
(3avii)
[img]https://i.imgur.com/i4G9vVD.png[/img]
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2024 Biology Practical Specimens
Below are the National Examinations Council Biology specimens for the main exam.
- Specimen A (Onion Bulb)
- Specimen B (Ginger Rhizome)
- Specimen C (Irish Potato Tuber)
- Specimen D (Potted Bean Seedling, A week old)
- Specimen E (Potted Guinea-corn Seedling
- Specimen F (Pigeon’s Head with the Neck)
- Specimen G (Atlas Vertebra of a Rabbit)
- Specimen H (Lumbar Vertebra of a Rabbit)
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