2023 NECO Biology Practical Questions and Answers
(Paper 1)
2023 NECO Biology Practical Answers: Get NECO 2023 Biology Practical Questions and answers for 2023 Paper 1 (Essay and Objectives).
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NECO 2023 Biology Practical Solutions
Number 1
1a(i)
A – Land snail
B – Toad
C – Spider
D – Crayfish
1a(ii) Economic important of specimen A
- Specimen A is sources of protein and low amounts of fat
- Specimen A are also good sources of iron, calcium, Vitamin A, and a number of other minerals.
Number 2
(2ai)
E: Spirogyra filaments.
F: Mucor/Rhizopus.
G: Groundnut seedling (A week old).
H: Maize seedling (A week old).
I: Microscope.
J: Slide (plain).
(2aii)
E habitat: Freshwater.
F habitat: Damp and decaying organic matter.
(2aiii)
E mode of nutrition: Autotrophic (photosynthesis).
F mode of nutrition: Saprophytic (absorbing nutrients from dead organic matter).
(2aiv) One reason for classifying E in
(2aii) is its habitat in freshwater.
(2b)
Mount E and F separately on J and use I to observe the setup.
(2bi)
Observable features of E:
- Green coloration.
- Long, filamentous structure.
- Presence of chloroplasts.
Observable features of F:
- Fuzzy, cotton-like appearance.
- Rapid growth and spreading.
- Formation of sporangia.
The observed color of E is green, and its role in life is photosynthesis.
Colour: Green
Role: Photosynthesis
(2ci)
Class of G: Angiospermae (Dicotyledonae).
Class of H: Angiospermae (Monocotyledonae).
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NECO 2023 Biology Practical Questions
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