The National Examination Council (NECO) free Biology Questions and answers tips for Objectives/Essay is here. Explore the Latest updates on Biology Objectives and Theory Questions and answers PDF download (Paper 1&2) today. Learn more about our Likely Biology NECO Expo/Runs below.
This article also make provision for NECO Biology Past Questions and answers for practice for interested. Read and follow all the instructions on the NECO Biology objectives and Theory exams provided below.
The National Examination Council, NECO Biology exams questions papers and other related materials are adequately provided for candidates on Time. The Solutions to the Questions and Answers for Biology Objectives and theory papers is available here for all interested candidates.
Updates on Biology Objectives and Theory Papers
The National Examination Council, NECO Biology exam booklet will consist of two (2) Sections (paper I and II). Do not open the booklet until you are told to do so. While waiting, write your Name and Examination Number in the spaces provided at the top right-hand corner of this booklet.
Answer Paper I on your objective test answer sheet. Paper II is expected to last for1 hour. On completion of Paper I, the objective test answer sheet will be collected. Candidates will answer Paper II on their answer booklet.
NECO Answers to Biology Objectives Questions
The NECO SSCE Biology Past Objectives Exams Questions and answers are provided below. We are working hard to ensure that the latest updates on NECO Biology exams are provided here.
1. A sudden change in the genetic composition of an organism is termed
- A. mutation
- B. epistasis
- C. variation
- D. linkage
Correct Answer: A (mutation)
2. The capturing and digestion of insects by a pitcher plant is a special form of nutrition that is
- A. heterotrophic
- B. autotrophic
- C. chemosynthetic
- D. saprophytic
Correct Answer: A (heterotrophic)
3. The following activities are associated with termites except
- A. communication
- B. searching for food
- C. nuptial flight
- D. pollination
Correct Answer: D (pollination)
4. Fishes survive in water mainly because they possess
- A. paired fins
- B. scales
- C. streamlined body
- D. gills
Correct Answer: D (gills)
5. The androecium in a flowering plant is a collection of
- A. stamens
- B. filament
- C. ovules
- D. sperms
Correct Answer: A (stamens)
6. The following processes release carbondioxide into the atmosphere EXCEPT
- A. combustion
- B. decomposition
- C. putrefaction
- D. respiration
- E. transpiration
Answer: E (transpiration)
7. Digested food is carried from small intestine to the liver by the
- A. hepatic artery
- B. hepatic portal vein
- C. hepatic vein
- D. inferior vena cava
- E. superior vena cava
Answer: B (hepatic portal vein)
8. Plants use Nitrogen in the form of
- A. ammonia
- B. ammonium
- C. nitrates
- D. nitrites
- E. urea
Answer: C (nitrates)
9. Which of the following enzymes act on carbohydrates?
- A. Amylase
- B. Lipase
- C. Pepsin
- D. Renin
- E. Trypsin
Answer: A (Amylase)
10. These groups of bacteria are harmless EXCEPT
- A. denitrifying
- B. nitrifying
- C. nitrogen-fixing
- D. parasitic
- E. saprophytic
Answer: D (parasitic)
11. Which of the following is a characteristic of mollusc?
- A. Bodies are protected by hard exoskeleton
- B. Bodies are segmented
- C. Body walls have three layers
- D. Presence of paired jointed appendages
- E. The head bears a pair of antennae
Answer: C (Body walls have three layers)
12. These animals exhibit camouflage EXCEPT
- A. chameleon
- B. crab
- C. crocodile
- D. lizard
- E. snake
Answer: B (crab)
13. Which of these vertebrae is of the same number in man and rabbit?
- A. Caudal
- B. Cervical
- C. Lumber
- D. Sacral
- E. Thoracic
Answer: B (Cervical)
14. Cellular respiration occurs in the
- A. chloroplast
- B. endoplasmic reticulum
- C. food vacuole
- D. mitochondrion
- E. nucleus
Answer: D (mitochondrion)
See: NECO Timetable
15. Which of the following enables mammals to maintain balance?
- A. Cochlea
- B. Eustucian tube
- C. Ossicle
- D. Semi-circular canal
- E. Tympanic membrane
Answer: D (Semi-circular canal)
16. Which of the following body characteristics distinguishes Ascaris from Earthworms?
- A. Bilaterally symmetrical
- B. Cylindrical
- C. Segmented
- D. Soft
- E. Unsegmented
Answer: C (Segmented)
17. Mycelium is a feature of
- A. algae
- B. bacteria
- C. ferns
- D. fungi
- E. viruses.
Answer: D (fungi)
18. The part of the male reproductive organ where sperm cells are produced is called?
- A. epididymis
- B. penis
- C. seminal vesicle
- D. seminiferous tubules
- E. vas deferens
Answer: D (seminiferous tubules)
19. Which of the following processes converts nitrates in the soil to atmospheric nitrogen?
- A. Denitrification
- B. Lightning
- C. Nitrification
- D. Putrefaction
- E. Rainfall
Answer: A (Denitrification)
20. Which of these is a simple dehiscent fruit?
- A. Achene
- B. Cypsela
- C. Legume
- D. Nut
- E. Samara
Answer: C (Legume)
21. The male reproductive part of a flower is made up of
- A. anther and filament
- B. ovary and ovule
- C. ovule and style
- D. stigma and filament
- E. style and stigma
Answer: A (anther and filament)
22. The type of placentation found in tomato fruit is called
- A. axile
- B. bisal
- C. free central
- D. marginal
- E. parietal
Answer: A (axile)
23. Exoskeleton is a characteristic feature of
- A. amoeba
- B. earthworm
- C. hydra
- D. millipede
- E. tapeworm
Answer: D (millipede)
24. Which of the following is an abiotic factor in an ecosystem?
- A. Food
- B. Host
- C. Parasite
- D. Predator
- E. Pressure
Answer: E (Pressure)
25. The structure in cell concerned with the synthesis of proteins is the
- A. endoplasm reticulum
- B. ribosome
- C. nucleus
- D. plasma membrane
- E. golgi apparatus
Answer: B (ribosome)
26. Root hairs are extensions of the
- A. cortex
- B. endodermis
- C. epidermis
- D. piliferous layer
- E. vascular bundle
Answer: C (epidermis)
27. The cortex of a herbaceous stem is made up of
- A. collenchyma and parenchyma
- B. collenchyma and sclerenchyma
- C. parenchyma and sclerenchma
- D. pericycle and endodermis
- E. sclerenthyma and endodermis
Answer: A (collenchyma and parenchyma)
28. Fern plants carry out Photosynthesis in the
- A. frond
- B. rhizome
- C. sorus
- D. stolon
- E. thallus
Answer: A (frond)
29. The basic unit of classification of living things is the
- A. class
- B. genus
- C. kingdom
- D. phylum
- E. species
Answer: E (species)
30. Which of the following is bryophyte?
- A. Bladderwort
- B. Flytrap
- C. Liverwort
- D. Pitcher
- E. Sundew
Answer: C (Liverwort)
31. Which of these influences growth movement in plants?
- A. Acetic acid
- B. Auxins
- C. Chlorophyll
- D. Enzyme
- E. Ethylene
Answer: B (Auxins)
32. What will be the phenotypic ratio in the f1 generation, if a dominant red flowered plant (RR) is crossed with recessive white flowered plant (rr)?
- A. 1 red : 1 white
- B. 2 red : 0 white
- C. 3 red : 1 white
- D. 4 red : 0 white
- E. 4 red : 4 white
Answer: D (4 red : 0 white)
33. The products of respiration in higher plants are
- A. carbondioxide, energy and starch
- B. carbondioxide, energy and water
- C. carbondioxide, oxygen and water
- D. carbondioxide, starch and water
- E. glucose, energy and water
Answer: B (carbondioxide, energy and water)
34. Excess amino acids are converted into urea by the
- A. heart
- B. kidney
- C. liver
- D. muscles]
- E. spleen
Answer: C (liver)
35. These processes are involved in asexual reproduction EXCEPT
- A. budding
- B. fertilization
- C. fission
- D. spore formation
- E. vegetative propagation
Answer: B (fertilization)
36. The following plants have self-pollinated flowers EXCEPT?
- A. groundnut
- B. okra
- C. rice
- D. wheat
Answer: B (okra)
Biology Essay 2026 Questions
Below is Past Essay Questions and answers for NECO Biology exams Available for candidates. We will equally provide some available updates on the biology theory paper.
1.ai. What are sense organs?
ii. Name three sense organs that respond to the stimulus of chemicals
b. List three animals each that exhibit the following courtship behaviours
i.territoriality ii. pairing
ci. State one similarity between the eggs of toad and the eggs of birds.
ii. State three differences between the eggs of toads and the eggs of birds.
2a.What is classification of living things?
b. State four ways each by which the following groups of organisms are of economic importance in their habitats:
i) fungi ii) plants.
Biology Expo/Runs for NECO SSCE Exams 2026
The National Examination Council, NECO exams is for candidates that are fully prepared. The likely NECO objectives and Theory Expo are to guide you on how to answer the NECO exams Questions.
The following hints are very useful while attempting questions in the exams hall:
- Pray before the commencement of the NECO Biology exams
- Avoid every disturbance before and during the exams
- Read the instructions provided on the questions paper accordingly
- Call the attention of the invigilators where there’s confusion
- Read the objectives questions at least three times before chosing your answer
- Start with the Questions you know best on the theory section.
- Make sure your handwriting are readable
- Cross-check your work before submitting them.
Thanks, that all concerning NECO Biology Questions and answers Objectives/Essay. Use the comments section below for your Questions.
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