BIO 102 (past questions)

BIO 102: Plant & Animal Diversity

AFE BABALOLA UNIVERSITY, ADO-EKITI — 2024/2025 Second Semester Examination

Course Overview

This page contains multiple-choice past questions for BIO 102 covering vascular systems, reproductive biology, plant groups, animal phyla, morphology, classification, and evolutionary adaptations. It helps students revise and understand key features of biological diversity in plants and animals.

Sample Questions and Answers

1. The vascular bundles in an actinostele are arranged:

• A. Star shaped
• B. Radially arranged like the spokes of a wheel
• C. Randomly scattered like confetti

✅ Correct Answer: B

2. Which of the following is a characteristic of monocots?

• A. Parallel venation
• B. Having a taproot system with a prominent primary root
• C. Exhibiting reticulate venation in leaves
• D. Possessing woody stems with a vascular cambium

✅ Correct Answer: A

3. Bryophytes not being similar to trees:

• A. True
• B. False

✅ Correct Answer: A. True

4. Which is a male gametophyte of a flowering plant?

• A. Ovule
• B. Embryo sac
• C. Pollen grain
• D. Synergid cell

✅ Correct Answer: C

5. Pandorina is more advanced than Volvox:

• A. True
• B. False

✅ Correct Answer: A. True

6. Algae are attractive

• A. True
• B. False

✅ Correct Answer: A. True

7. Mycotinae and Phycotinas make up

• A. Parts of a flower
• B. Types of plant roots
• C. Classes of animal tissues
• D. Thallophyta

✅ Correct Answer: D. Thallophyta

8. Nervous system is found in

• A. Cnidarians
• B. Sponges
• C. Protists
• D. None of the above

✅ Correct Answer: A. Cnidarians

9. The most notable advancement of phylum Arthropoda is

• A. Development of a notochord
• B. Presence of a vertebral column
• C. Ability to photosynthesize
• D. Rigid exoskeleton

✅ Correct Answer: D. Rigid exoskeleton

10. Animals with wide range of salinity tolerance are

• A. Euryhaline
• B. Stenothermal organisms
• C. Obligate anaerobes
• D. Sessile organisms

✅ Correct Answer: A. Euryhaline

11. Pseudocoelom is not a part of

• A. Mollusca
• B. Echinodermata
• C. Chordata
• D. Annelida

✅ Correct Answer: B. Echinodermata

12. The shell of Mollusca is derived from

• A. Ectoderm of the foot
• B. Mesoderm of the visceral mass
• C. Endoderm of the gut
• D. Mantle

✅ Correct Answer: D. Mantle

13. ANNELIDA does not have open circulatory system

• A. True
• B. False

✅ Correct Answer: A. True

14. Metameric segmentation in MOLLUSCA over ANNELIDA

• A. True
• B. False

✅ Correct Answer: B. False

15. Nematoda does not have

• A. Coelom
• B. Bilateral symmetry
• C. A body wall with muscles
• D. A complete digestive system

✅ Correct Answer: A. Coelom

16. The male gametes swim to fertilize the female gametes to give rise to

• A. Synacryote
• B. Sporophyte
• C. Gametophyte
• D. Spores

✅ Correct Answer: B. Sporophyte

17. The clitellum in oligochaetes is responsible for

• A. Digestion of organic matter
• B. Movement and locomotion
• C. Reproduction
• D. Respiration and gas exchange

✅ Correct Answer: C. Reproduction

18. Which annelid is sanguivorous?

• A. Earthworm
• B. Nereis
• C. Tubifex
• D. Leech

✅ Correct Answer: D. Leech

19. The individual that studies algae is

• A. Mycologist
• B. Entomologist
• C. Algologist
• D. Ornithologist

✅ Correct Answer: C. Algologist

20. All chordates are vertebrates

• A. True
• B. False

✅ Correct Answer: B. False

21. A typical chordate is

• A. Starfish
• B. Leptocardii
• C. Snail
• D. Squid

✅ Correct Answer: B. Leptocardii

22. Red algae provides

• A. Agar and carrageenan
• B. Chlorophyll and starch
• C. Cellulose and lignin
• D. Chitin and keratin

✅ Correct Answer: A. Agar and carrageenan

23. Monocots and dicots are

• A. Gymnosperms
• B. Angiosperms
• C. Bryophytes
• D. Pteridophytes

✅ Correct Answer: B. Angiosperms

24. The phylum that has the highest number of species is

• A. Arthropoda
• B. Chordata
• C. Mollusca
• D. Echinodermata

✅ Correct Answer: A. Arthropoda

25. The area of botany that studies fungi is

• A. Phycology
• B. Bryology
• C. Pteridology
• D. Mycology

✅ Correct Answer: D. Mycology

26. The study of algae is

• A. Phycology
• B. Mycology
• C. Lichenology
• D. Pteridology

✅ Correct Answer: A. Phycology

27. are similar to higher plants

• A. Algae
• B. Fungi
• C. Lichens
• D. Bryophytes

✅ Correct Answer: D. Bryophytes

28. is flask shaped

• A. Archegonia
• B. Antheridia
• C. Spores
• D. Rhizoids

✅ Correct Answer: A. Archegonia

29. Companion cells are absent in

• A. Tracheids
• B. Vessel elements
• C. Sclerenchyma cells
• D. Xylem

✅ Correct Answer: D. Xylem

30. The contour feathers in aves are

• A. Flight feathers
• B. Down feathers
• C. Filoplumes
• D. Bristles

✅ Correct Answer: A. Flight feathers

31. Leech is sanguivorous

• A. True
• B. False

✅ Correct Answer: A. True

32. The Antheridia in bryophytes comes from the

• A. Sporophyte
• B. Rhizoid
• C. Protonema
• D. Gametophyte

✅ Correct Answer: D. Gametophyte

33. Males without claspers and presence of 4 parts of gills is a feature of

• A. Osteichthyes
• B. Chondrichthyes
• C. Amphibia
• D. Reptilia

✅ Correct Answer: A. Osteichthyes

34. Pseudocoelom is not a part of

• A. Mollusca
• B. Echinodermata
• C. Chordata
• D. Annelida

✅ Correct Answer: B. Echinodermata

35. The contour feathers are also referred to as

• A. Vaned feathers
• B. Down feathers
• C. Filamentous feathers
• D. Hair-like feathers

✅ Correct Answer: A. Vaned feathers

36. Which possesses Aristotle's lantern?

• A. Echinoderms
• B. Mollusks
• C. Arthropods
• D. Chordates

✅ Correct Answer: A. Echinoderms

37. One of these is found in cnidarians

• A. Nervous system
• B. Vertebral column
• C. Notochord
• D. Exoskeleton

✅ Correct Answer: A. Nervous system

38. One of the basic advancement of annelida over mollusca is

• A. Metameric segmentation
• B. Radial symmetry
• C. Presence of a radula
• D. External shell

✅ Correct Answer: A. Metameric segmentation

39. All of the phyla have open circulatory systems except

• A. Cephalopods
• B. Echinoderms
• C. Vertebrates
• D. Arthropods

✅ Correct Answer: C. Vertebrates

40. Sharks and rays have exoskeleton

• A. True
• B. False

✅ Correct Answer: B. False

41. are found in pond water/stagnant water

• A. Lions
• B. Polar bears
• C. Desert tortoises
• D. Spirogyra

✅ Correct Answer: D. Spirogyra

42. The opening through which sperm swim from the testes and epididymis is known as

• A. Vas deferens
• B. Seminiferous tubules
• C. Urethra
• D. Fallopian tubes

✅ Correct Answer: C. Urethra

43. provides agar for scientific gel processes

• A. Red algae
• B. Seminiferous tubules
• C. Urethra
• D. Fallopian tubes

✅ Correct Answer: A. Red algae

44. The clitellum in oligochaetes is responsible for

• A. Reproduction
• B. Digging burrows
• C. Breaking down organic matter
• D. Regenerating lost segments

✅ Correct Answer: A. Reproduction

45. A strobila is a structure found in the life cycle of animals of

• A. Flatworms
• B. Roundworms
• C. Earthworms
• D. Cnidarians

✅ Correct Answer: D. Cnidarians

46. Animals having a proboscis buried into a shield plus collaration are typical examples of

• A. Enteropneusta
• B. Mollusks
• C. Echinoderms
• D. Arthropods

✅ Correct Answer: A. Enteropneusta

47. Males with claspers and presence of placoid scales are characteristics of

• A. Bony fishes
• B. Amphibians
• C. Reptiles
• D. Chondrichthyes

✅ Correct Answer: D. Chondrichthyes

48. Anemophilous flowers are pollinated by

• A. Insects
• B. Birds
• C. Wind
• D. Bats

✅ Correct Answer: C. Wind

49. A young lady was found near the bank of the Bahamas, what do you think killed her?

• A. Malaria
• B. Drowning
• C. Electrocution
• D. Homicide

✅ Correct Answer: B. Drowning

50. Ostiole is the opening in

• A. Perithecium
• B. Plant seeds
• C. Animal cells
• D. Human skin pores

✅ Correct Answer: A. Perithecium

51. A strobili is found in

• A. Flowering plants
• B. Ferns
• C. Conifers
• D. Mosses

✅ Correct Answer: C. Conifers

52. Algae is unattractive but still important members of the plant world

• A. True
• B. False

✅ Correct Answer: A. True

53. The nuclei fuse together in a process called

• A. Mitosis
• B. Meiosis
• C. Karyogamy
• D. Cytokinesis

✅ Correct Answer: C. Karyogamy

54. Which of the following is absent in xylem of gymnosperms?

• A. Tracheids
• B. Parenchyma cells
• C. Companion cells
• D. Fibers

✅ Correct Answer: C. Companion cells

55. does not consist of coelomate animals

• A. Chordata
• B. Annelida
• C. Nematoda
• D. Mollusca

✅ Correct Answer: C. Nematoda

56. Animals with wide salinity range

• A. Euryhaline
• B. Stenohaline
• C. Osmoconformers
• D. Hydrophobic

✅ Correct Answer: A. Euryhaline

57. provides agar for scientific gel processes

• A. Red algae
• B. Brown algae
• C. Green algae
• D. Fungi

✅ Correct Answer: A. Red algae

58. Whose system of classification and at what year was used to classify the Plant kingdom for our own purpose?

• A. Carolus Linnaeus, 1768
• B. Carl Woese, 1990
• C. Eichler's 1883
• D. Robert Whittaker, 1955

✅ Correct Answer: C. Eichler's 1883

59. Plant kingdom was divided into number(s) of divisions.

• A. 2
• B. 3
• C. 5
• D. 4

✅ Correct Answer: D. 4

60. Which type of pairing does Pandorina engage in for its sexual reproduction?

• A. Karyogamous
• B. Anisogamous
• C. Isogamous
• D. Plasmogamous

✅ Correct Answer: B. Anisogamous