BIOLOGY 2021 UTME PAST QUESTION

1. What phenomenon is exhibited above?

A. Mutation
B. Growth
C. Ossification
D. Evolution

2. The appearance of the one – toed horse as associated with

A. Wet land
B. Dry land
C. Neither
D. Both

3. In the diagram above, identify the part which is the vas deferens

A. I
B. II
C. III
D. IV

4. In the diagram above, identify the part where the sperm is stored

A. II
B. III
C. I
D. IV

5. The probability of a woman producing X-chromosome is

A. 100%
B. 0%
C. 50%
D. 75%

6. The white layer of connective tissue protecting the eye is

A. Choroid
B. Sclera
C. Iris
D. Lens

7. Mycorrhiza refers to

A. The relationship between root of higher plant and fungus
B. The relationship between alga and a fungus
C. The relationship between fungus and moss
D. The relationship between shark and remora

8. Territory formation in Agama lizard enhances

A. Mating
B. Movement
C. Nutrition
D. Growth

9. If a man who is hemophilic marries a woman who is a carrier for hemophilia. What percentage of their children will be hemophiliac

A. 25%
B. 50%
C. 75%
D. 100%

10. Which of the following is an internal condition necessary for seed germination?

A. Adequate temperature
B. Water
C. Seed viability
D. Air

11. An examples of animal that aestivate during unfavorable condition is

A. Lizard
B. Grasshopper
C. Snail
D. None

12. A visually impaired man marries a normal woman and have four children, how many of their offspring will be blind?

A. 0
B. 1
C. 2
D. 3

13. Which of the following is correct regarding invitro fertilization?

A. Its requires only a male parent
B. Sperm is not required
C. During invitro fertilization, mature eggs are collected from ovaries and fertilized by sperm in the laboratory
D. It always produce identical twins

14. The old non- functional red blood cell are transported to ____ and _____ removal

A. Liver, spleen
B. Liver, pancreas
C. Spleen, pancreas
D. Liver, gall bladder

15. One of the most important driving forces for evolution is

A. Mutation
B. Variation
C. Phylogeny
D. Anatomical convergence

16. The soldier termites differ from the workers termites by having

A. Large head and long mandibles
B. Smaller jaw
C. No mandible
D. Straight antennae

17. Which of the following can lead to increase of size in population?

A. Emigration
B. Natality
C. Mortality
D. Disease

18. Terrestrial vertebrates respire with the aids of

A. Gills
B. Lungs
C. Skins
D. Kidneys

19. Which of the following fruit has marginal placentation

A. Tomato
B. Cowpea
C. Water lily
D. None

20. The following are features of northern Guinea Savannah except

A. Presence of tall trees which occurs in layers
B. Presence of fire resistance trees
C. Predominance of woody trees
D. Abundant herbivores

21. Plant cell is plasmolysed as a result of

A. Endosmosis
B. Endocytosis
C. Exosmosis
D. Exocytosis

22. Possession of breathing roots is for trees grown in

A. Mangrove swamp
B. Coastal savanna
C. Guinea savanna
D. Shrub biome

23. The most primitive among these is

A. Ferns
B. Flowering plants
C. Fungus
D. conifers

24. The layer of dicot stem impermeable to liquids and gases is the

A. Cambium
B. Cortex
C. Cuticle
D. Epidermis

25. The most accurate determination of paternity is by

A. DNA test
B. Fingerprint
C. Blood grouping
D. Physical assessment

26. Soil conservation means

A. Extensive use of soil
B. Avoidance of soil use
C. Maintenance of soil
D. Application of manure to soil

27. In which state in Nigeria is Kanji National Park located?

A. Niger
B. Oyo
C. Zamfara
D. Ebonyi

28. What is the diagram above most efficient for?

A. Crime detective
B. Paternity detective
C. Genotype evaluation
D. None of the above

29. The fingerprint above is

A. Loop
B. Arch
C. Whorl
D. compound

30. the vertebra with a large centrum and that supports most of the body weight is

A. Sacral vertebra
B. Cervical vertebra
C. Thoracic vertebra
D. Lumber vertebra

31. Alkaloids are excretory products used to produce

A. Gum
B. Drug
C. Rubber
D. Latex

32. Which part in the diagram above is the large intestine?

A. 6
B. 1
C. 3
D. 5

33. Where does emulsification of fats take place?

A. 5
B. 4
C. 3
D. 2

34. The nephridium is used in which of the following organisms?

A. Roundworms
B. Flatworms
C. Earthworm
D. insects

35. a character expressed in a female only when it is homozygous but expresses itself in the male always is

A. Sex linked
B. Dominant
C. Continuous
D. Discontinuous

36. The structure that protects articulating surfaces of bones at a point to prevent it form being worn out is

A. Articular cartilage
B. Synovial membrane
C. Capsule
D. Synovial fluid

37. Which of the following disperse a termite colony

A. Wingless reproductive
B. Winged reproductive
C. Soldier
D. Workers

38. The liquid component of the mammalian blood is

A. Red blood cell
B. Plasma
C. White blood cell
D. Platelets

39. Night blindness result from the deficiency of

A. Vitamin A
B. Vitamin B
C. Vitamin
D. Vitamin K

40. The dominant phase in the life cycle of a bryophyte is the

A. Sporophyte
B. Gametophyte
C. Prothallus
D. Gametangium