2023 NECO Biology Practical Questions and Answers

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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

A – Land snail
B – Toad
C – Spider
D – Crayfish

1a(ii) Economic important of specimen A

  1. Specimen A is sources of protein and low amounts of fat
  2. Specimen A are also good sources of iron, calcium, Vitamin A, and a number of other minerals.

Number 2

E: Spirogyra filaments.
F: Mucor/Rhizopus.
G: Groundnut seedling (A week old).
H: Maize seedling (A week old).
I: Microscope.
J: Slide (plain).

E habitat: Freshwater.
F habitat: Damp and decaying organic matter.

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.


Mount E and F separately on J and use I to observe the setup.

Observable features of E:

  1. Green coloration.
  2. Long, filamentous structure.
  3. Presence of chloroplasts.

Observable features of F:

  1. Fuzzy, cotton-like appearance.
  2. Rapid growth and spreading.
  3. Formation of sporangia.

The observed color of E is green, and its role in life is photosynthesis.

Colour: Green
Role: Photosynthesis

Class of G: Angiospermae (Dicotyledonae).
Class of H: Angiospermae (Monocotyledonae).

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NECO 2023 Biology Practical Questions



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