BIOLOGY 2023 UTME PAST QUESTION

1. The mode of nutrition in which digestion is extracellular is:

A. saprophytic
B. parasitic
C. holophytic
D. holozoic

2. In the diagram below, the function of the part labeled part III is:


A. seed dispersal
B. Nutrient absorption
C. Ovule attachment
D. Photosynthesis

3. Emergent trees are at _____layer of the forest:

A. upper
B. lower
C. canopy
D. understory

4. The principle of survival of the fittest is regard as:

A. Darwinism
B. Lamarckism
C. Mendelism
D. Naturalism

5. An example of Estuarine habit is:

A. pond
B. lagoon
C. ocean
D. lake

6. An edaphic factor of growth of plants is:

A. soil pH
B. temperature
C. light intensity
D. humility

7. What is the relationship between cattle egret?

A. Commensalism
B. Mutualism
C. Parasitism
D. Competition

8. Inbreed crossing refer to the breeding of:

A. unrelated species
B. closely related species
C. species with different habitats
D. genetically modified organisms

9. A man of AS genotype marries a woman of AS genotype, what is the probability of having a sickle cell anemia offspring?

A. 0%
B. 25%
C. 50%
D. 100%

10. The effect of the lack of vascular roots of a bryophyte is:

A. Reduced water abortion
B. efficient nutrient transport
C. unlimited growth potential

11. The national park of Nigeria is located at:

A. Ogun state
B. Lagos state
C. Cross River state
D. Yobe state

12. A criminal can be traced through which of the following?

A. blood group
B. fingerprint
C. genotype
D. shoe size

13. The vegetative part of a plant is:

A. leaves
B. flower
C. stems
D. roots

14. The immature fruits of opium poppy are:

A. capsules
B. berries
C. drupes
D. achenes

15. Pneumatophores developed by white mangroves are used for:

A. gaseous exchange
B. anchoring the plant in the soil
C. storing water
D. photosynthesis

16. Which type of cartilage is found in the external ear, epiglottis and larynx

A. Hyaline cartilage
B. Fibrocartilage
C. Elastic cartilage
D. None of the above

17. Which of these lack a true nucleus?

A. Amoeba
B. Moses
C. Rhizopus
D. Bacterial

18. Arthropod are distinguished from vertebrates because they posses:

A. bones
B. chitin
C. feather
D. scales

19. Digested food in the body is transported by:

A. White blood cells (WBC)
B. Red blood cells (RBC)
C. platelets
D. plasma

20. The breeding of related species is known as:

A. inbreeding
B. self-breeding
C. outbreeding
D. crossbreeding

21. Unicellular organisms are mostly found among:

A. Plants
B. Animals
C. Microorganism
D. Virus

22. The aphotic zone is characterized by

A. Absence of light
B. Constant sunlight
C. High temperature
D. High oxygen level

23. Plant is a mangrove swamp have:

A. Spines
B. Breathing roots
C. Thick stems
D. Large leaves

24. The highest energy level is found in:

A. Carbohydrates
B. Proteins
C. Fats and oils

25. What is the relationship between zebra and lion

A. Parasitism
B. Predation
C. Symbiosis
D. Commensalism

26. Which of the following is an example of genetic variation

A. A person hair color
B. A persons hair cut
C. A persons clothing
D. A persons shoe size

27. Which of the following is an example of continuous variation

A. Height in human
B. Blood type in human
C. Flowers color in plants
D. Fur pattern in animals

28. The mixture of fresh water and sea water is called

A. Brackish water
B. Saline water
C. Potable water
D. Fresh water

A tree growing with broad and evergreen leaves is likely located in

A. A tropical rain forest
B. A desert biome
C. A tundra ecosystem
D. A deciduous forest

30. What inorganic materials is needed for photosynthesis

A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Iron

31. What is the excretory organ of earth worm

A. Kidneys
B. Malpighian tubules
C. Nephridia
D. Lungs

Opium puppy produces

A. Nicotine
B. Quinine
C. Morphine
D. Caffeine

33. Agglutination occurs when blood is passed from blood group

A. A to AB
B. AB to A
C. O to AB
D. O to A

34. The part of the fish body that is sensitive to vibration is

A. Lateral line
B. Dorsal fin
C. Gills
D. Tail fin

35. The birds given below


A. Capture fast moving prey in flight
B. Probes for insects hidden in tree back
C. Sips nectar
D. Catches in shallow water

36. Which type of cartilage provides a smooth surface for joint movement and is commonly found in the ribs, trachea and bronchi

A. Hyaline cartilage
B. Fibrocartilage
C. Elastic cartilage
D. Articular cartilage

37.The pectoral fins is the part labeled

A. IV
B. VII
C. V
D. III

38.Most cells in higher animals retain their power of cell division except

A. lymphocytes
B. malpighian
C. nerve ells
D. germ cells

39. The function of ribosomes in cells is

A. protein synthesis
B. starch synthesis`
C. lipid storage
D. transport of materials

40. The membrane surrounding the vacuole in plants is called

A. plasmalemma
B. tonoplast
C. sarcolemma
D. nuclear membranee