Free Biology Post Utme Past Question/Answers 2019/2020

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biology post utme past question and answers


1. The muscle cell fluid of an athlete was tested immediately after a 100m race and was found to contain a high concentration of lactic acid .Explain what could have caused this. The
(A) athlete must have eaten food containing a lactic acid
(B) athlete must have injected lactic acid into his blood just before the race
(C) athlete must have carried out anaerobic respiration during the race
(D) athlete must have inhaled lactic acid from the environment during the race.

2. One of this is not a continuous variation
(A) height
(B) weight
(C) tongue rolling
(D) skin colour

3. One of the following is usually worm-like, cylindrical or flattened
(A) molluscs
(B) insects
(C) nematods
(D) annelids

4. The roots hairs are
(A) strength and support
(B) conducting liquid
(C) absorption of water and salt
(D) penetration into the soil

5. The random way genes recombine during meiosis and fertilization leads to
(A) genetic variation
(B) phenotype
(C) genome
(D) genotype

6. In a cell, the genes are carried by
(A) Nuclear membrane
(B) Chromatin threads
(C) lysosomes
(D) Mitochondria

7. An ecosystem is composed of all of the following except:
(A) Plants
(B) Animals
(C) Temperature
(D) Meadows

8. In a food web, tertiary consumers belong to which trophic level
(A) First
(B) Second
(C) Third
(D) Fourth

9. The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the
(A) Veins
(B) Right auricle
(C) Arteries
(D) Left ventricle

10. The cocoon into which an earthworm lays its egg is produced in the
(A) prostomium
(B) peristomium
(C) chaeta
(D) clitellum

11. Daughters receives their X-chromosome from their ___
(A) father
(B) mother
(C) relative
(D) siblings

12. In bony fishes, the swim bladder is used for
(A) adjusting the weight of the fish when swimming at different levels.
(B) extracting oxygen from water which enters the mouth of the fish.
(C) equalizing fluid pressures between the fish and the surrounding water.
(D) absorbing more water when the fish is about to descend to a lower level

13. The theory that new organs or characteristics develop in organisms when there is a need for them was postulated by
(A) Charles Darwin
(B) Wallace
(C) Lean Lamarck
(D) Gregor Mendel

14. Ribosomes are found in all living cells. What is their function?
(A) cellular respiration
(B) synthesis of proteins
(C) excretion of waste products
(D) intracellular transport

15. Which of the following is NOT a function of the nucleus of a cell?
(A) It controls the life processes of the cell
(B) It translates genetic information for the manufacture of proteins
(C) It stores and carries hereditary information
(D) It is a reservoir of energy for the cell

16. Plants that are adapted to grow in dry land where water content is low are
(A) Halophytes
(B) Hydrophytes
(C) Xerophytes
(D) Mesophytes

17. What happens to a man whose pancreas has been surgically removed?
(A) the level of blood sugar would increase
(B) the glycogen content of the liver would increase
(C) his blood pressure would decrease
(D) his weight would increase appreciably

18. The hereditary factor of the material for inheritance is
(A) organ
(B) sex
(C) gene
(D) ovum

19. The random way genes recombine during meiosis and fertilization leads to
(A) genetic variation
(B) phenotype
(C) genome
(D) genotype

20. One of the following is not an excretory structure
(A) stomata
(B) blood
(C) kidney
(D) flame cell

21. In a food web, tertiary consumers belong to which trophic level
(A) First
(B) Second
(C) Third
(D) Fourth

22. Which of the following factors is not associated with aquatic habitat
(A) Temperature
(B) Light intensity
(C) Humidity
(D) wave action

23. One of the following are usually worm-like, cylindrical or flattened
(A) molluscs
(B) insects
(C) nematods
(D) annelids

24. Which of the following constitutes the main internal tissue of leaf?
(A) Cuticle
(B) Mesophyll
(C) Vascular bundle
(D) Lower epidermis

25. In insects, the structure that performs the same function as the kidney in man is the
(A) Nephridium
(B) Flame cell
(C) Malphigian tubule
(D) Trachea

26. Principles of heredity can be applied in one of these
(A) medicine
(B) chemistry
(C) law
(D) biology

27. One of this is not a shape of fingerprints
(A) circles
(B) loop
(C) whorls
(D) arches

28. What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?
(A) habitat
(B) biome
(C) ecosystem
(D) ecological niche

29. S phase in growth curve is known as?
(A) rapid phase
(B) shot phase
(C) long phase
(D) end Phase

30. Carbohydrates are stored in animal cells as
(A) glycogen
(B) glucose
(C) maltase
(D) starch

31. The rhesus factor of blood was first identified in a category of
(A) Monkeys
(B) Human females
(C) Human males
(D) Chimpanzees

32. The division of nucleus is known as
(A) karyokinesis
(B) cytokinesis
(C) isogamy
(D) isopomy

33. In the mammal, the autonomic system consists of
(A) sympathetic and parasympathetic systems
(B) brain and spinal nerves
(C) brain and cranial nerves
(D) spinal cord and spinal nerves

34. The reproduction of cell is controlled by which of the following:
(C) mRNA
(D) Mitosis

35. The order of food passage in the digestive system is
(A) Ileum-Cecum-Colon-Rectum
(B) Ileum-Colon-Cecum-Rectum
(C) Colon-Ileum-Cecum-Rectum
(D) Colon-Cecum-Ileum-Rectum

36. In plants, the structures that play roles similar to the arteries and veins of animals are the
(A) Xylem and Phloem
(B) Root hairs and xylem
(C) Lenticels and phloem
(D) roots and stems

37. Two plants with red flowers were back crossed, which of the following results indicates that the plants are heterozygous red flower, where red flowers are dominants?
(A) 75%red and 25% white
(B) 50% red and 50% white
(C) 100% white
(D) 100% red

38. Genetically modified food products have not become universally accepted because
(A) they are not tasty as others produced by conventional means
(B) they are usually costlier than others produced by conventional means
(C) their effect on human consumers is not yet fully understood
(D) the technology can be applied only in developed countries

39. Which of these animals is not metamerically segmented
(A) tapeworm
(B) earthworm
(C) centipede
(D) shark

40. The sterile individuals in the honey bee are known as
(A) Drone
(B) Queens
(C) Workers
(D) None of these

41. Which of the following is used mainly for balancing in fish?
(A) the caudal fin
(B) The pectoral fin
(C) The anal fin
(D) The dorsal fin

42. Octopus is popularly known as ___ fish
(A) devil
(B) jelly
(C) cray
(D) shark

43. The sexual reproductive units produced by mature individuals of sexually reproducing species of organism is called
(A) sperms
(B) ova
(C) zygotes
(D) gametes.

44. Which of these does not have respiratory and circulatory systems
(A) annelids
(B) nematods
(C) insects
(D) molluscs

45. Spear grass has underground structure called
(A) bulbs
(B) corm
(C) rhizomes
(D) tap roots

46. Maize is best stored against insect attack
(A) on raised platform
(B) in fumigated silos
(C) while still on the cob
(D) in humid metal tanks

47. Circulation of blood to all parts of the body excepts the lungs is through
(A) the pulmonary artery
(B) Systemic circulation
(C) The lymphatic system
(D) Pulmonary circulation

48. Manufactured food in the plants is transported through the
(A) xylem
(B) phloem
(C) cambium
(D) cortex

49. The genetic make- up of an organism is called
(A) genotype
(B) phenotype
(C) variation
(D) gene

50. A sudden change in a gene or genes is called
(A) fertilization
(B) variation
(C) mutation
(D) heredity

Bankey Mill

OMINI ABIODUN MICHAEL [a.k.a] BANKEY MILL (BM) is a blogger and the CEO of We Share Education School News of Universities, Polytechnics, Colleges for both Nigeria Schools, Ghana Schools and AmericanEtc like JAMB, Waec, Scholarship, Job opportunity, Learning, Story books and Blog etc

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