General Biology II — 2024 Past Questions

Lagos State University BIO102: 61 questions.

Topics: A generalized survey of the plant and animal kingdoms, Diversity of animal forms, structures, and functions, General classification of the animal kingdom, Briefs on physiology to include nutrition, respiration, circulatory systems, excretion, reproduction, growth and development, Ecological adaptations

1. Algae are also known as ............
   1. Phanerogams
   2. Tracheophytes
   3. Cryptogams
   4. Thallophytes
2. Algae have thread-like structures called ........
   1. Hyphae
   2. Capsule
   3. Thallus
   4. Meristematic stem
3. Algae undergo alternation of generations. Which generation is dominant?
   1. Sporangia
   2. Gametophyte
   3. Gametangia
   4. Sporophyte
4. Which algae are commonly known as brown algae?
   1. Chrysophyta
   2. Phaeophyta
   3. Xanthophyta
   4. Bacillariophyta
5. Which division of algae stores food as paramylum (paramylon) and starch?
   1. Cyanophyta
   2. Rhodophyta
   3. Euglenophyta
   4. Chlorophyta
6. ................ is to Cyanophyta as phycoerythrin is to Rhodophyta.
   1. Phycocyanin
   2. Cyanophycea
   3. Cyanophycean
   4. Cycads
7. Sexual reproduction occurs by the physical contact of _____
   1. Diploid gametes
   2. Haploid gametes
   3. Antherozoids only
   4. Archegonia
8. Which of the following statements about pteridophytes is incorrect?
   1. Pteridophytes follow cryptogamae, that is, they reproduce by spores
   2. The main plant body in pteridophytes is the sporophyte
   3. Pteridophytes grow in dry and cold places like mountains
   4. Pteridophytes have specialized vascular tissues
9. All of these are examples of unicellular algae except .........
   1. Fucus
   2. Diatoms
   3. Euglenophyta (Euglena)
   4. Dinoflagellates
10. All of these are examples of green algae except ........
    1. Ulothrix
    2. Volvox
    3. Spirogyra
    4. Polysiphonia
11. Which division of algae is not currently regarded as a true type of algae?
    1. Chrysophyta
    2. Cyanophyta
    3. Rhodophyta
    4. Phaeophyta
12. Which is the dominant phase in the life cycle of a pteridophyte?
    1. Gametophyte
    2. Prothallus
    3. Sporophyte
    4. Zygote
13. Algae are classified on all of these criteria except .........
    1. Nature of food reserve
    2. Type of reproduction
    3. Cellular characteristics
    4. Type of pigment
14. All of these are examples of cryptogams except .........
    1. Algae
    2. Bryophytes
    3. Pteridophytes
    4. Spermatophytes
15. Which of the following were the first evolved plants with vascular tissues?
    1. Pteridophytes
    2. Bryophytes
    3. Thallophytes
    4. Cryptogams
16. Which group is referred to as the "grass of the water"?
    1. Algae
    2. Bryophytes
    3. Pteridophytes
    4. Spermatophytes
17. Which of the following were the first evolved plants with vascular tissues?
    1. Pteridophytes
    2. Bryophytes
    3. Thallophytes
    4. Cryptogams
18. Leaf-like structures in pteridophytes that bear spores are called ___________
    1. Sporophylls
    2. Pteridophylls
    3. Sporangia
    4. Sporophyte
19. A strobilus is the main characteristic found in every pteridophyte.
    1. True
    2. False
    3. Only in ferns
    4. Cannot be determined
20. Which of the following is incorrect?
    1. The gametophyte is a small, multicellular, photosynthetic thallus
    2. The sporophyte is also called the prothallus
    3. In mosses, the gametophyte is the dominant phase
    4. Equisetum and Selaginella have a distinct cone-like structure called strobili
21. Megaspores (macrospores) form the female gametophyte after germination.
    1. True
    2. False
    3. Not applicable
    4. Cannot be determined
22. Which of the following is the odd one out?
    1. Lycopsida
    2. Pteropsida
    3. Sphenopsida
    4. Sporopsida
23. Equisetum belongs to the class ___________
    1. Sphenopsida
    2. Lycopsida
    3. Pteropsida
    4. Psilopsida
24. Which of these divisions of algae does not have flagellated cells at any stage?
    1. Chlorophyta
    2. Phaeophyta
    3. Rhodophyta
    4. Euglenophyta
25. Which division of algae contains the pigment fucoxanthin?
    1. Phaeophyta
    2. Chrysophyta
    3. Rhodophyta
    4. Euglenophyta
26. Which division of algae stores food as paramylum and starch?
    1. Rhodophyta
    2. Euglenophyta
    3. Cyanophyta
    4. Phaeophyta
27. Fucus is an example of which division of algae?
    1. Cyanophyta
    2. Phaeophyta
    3. Rhodophyta
    4. Chlorophyta
28. Polysiphonia belongs to which division of algae?
    1. Rhodophyta
    2. Cyanophyta
    3. Phaeophyta
    4. Chlorophyta
29. Which division of algae is prokaryotic?
    1. Cyanophyta
    2. Phaeophyta
    3. Rhodophyta
    4. Euglenophyta
30. Which of these divisions of algae is multicellular?
    1. Cyanophyta
    2. Euglenophyta
    3. Phaeophyta
    4. Chrysophyta
31. Which of these characteristics does NOT differentiate algae from bryophytes?
    1. Algae are mostly aquatic, but bryophytes are mostly terrestrial
    2. Oogonia is the female sex organ in algae, but archegonia is the female sex organ in bryophytes
    3. The zygote does not form an embryo in algae, but it does in bryophytes
    4. Algae have a body differentiated into a thallus, but bryophytes do not
32. Which generation is dominant in pteridophytes?
    1. Gametophyte
    2. Sporophyte
    3. Antherozoid
    4. Antheridia
33. Pteridophytes are divided into ............ classes.
    1. 2
    2. 3
    3. 4
    4. 5
34. Gymnosperms are divided into how many groups (according to the course material)?
    1. 4
    2. 6
    3. 8
    4. 2
35. The word "Gymno" means ............
    1. Closed
    2. Naked
    3. Inside
    4. Open
36. Tracheophytes are plants that ............
    1. Possess vascular bundles
    2. Do not possess vascular bundles
    3. Possess flowers
    4. Do not possess flowers
37. The conspicuously coloured part of a flower is the .........
    1. Petals
    2. Sepals
    3. Stamen
    4. Carpel
38. The word "bryon" means ............
    1. Wort
    2. Phytoplankton
    3. Moss
    4. Feather
39. The word "pteris" means ............
    1. Phytoplankton
    2. Feather
    3. Wort
    4. Moss
40. Which of these is haploid?
    1. Gametophyte
    2. Sporophyte
    3. Zygote
    4. Sporangium
41. Which of these is diploid?
    1. Gametophyte
    2. Sporophyte
    3. Gamete
    4. Spore
42. Annelida consists of ________ major classes.
    1. 2
    2. 3
    3. 4
    4. 5
43. Which type of symmetry is found in Annelida?
    1. Bilateral
    2. Radial
    3. Biradial
    4. No symmetry
44. Annelida excrete through ...........
    1. Body surface
    2. Nephridia
    3. Trachea
    4. Lung book
45. Annelids are found in:
    1. Aquatic environments only
    2. Terrestrial environments only
    3. Both aquatic and terrestrial environments
    4. None of the above
46. The anticoagulant secreted by leeches is:
    1. Globulin
    2. Hirudin
    3. Haemoglobin
    4. None of the above
47. A leech belongs to the class:
    1. Polychaeta
    2. Oligochaeta
    3. Hirudinea
    4. None of the above
48. Annelids are:
    1. Diploblastic
    2. Triploblastic
    3. Quadroblastic
    4. None of the above
49. Annelids move with the help of:
    1. Flagella
    2. Setae
    3. Pseudopodia
    4. None of the above
50. An earthworm belongs to the class:
    1. Oligochaeta
    2. Polychaeta
    3. Hirudinea
    4. Cephalopoda
51. Class Polychaeta are known as:
    1. Earthworms
    2. Leeches
    3. Bristle worms
    4. None of the above
52. Molluscs are:
    1. Diploblastic
    2. Triploblastic
    3. Quadroblastic
    4. None of the above
53. Which type of symmetry is found in Mollusca?
    1. Bilateral
    2. Radial
    3. Biradial
    4. No symmetry
54. The study of Mollusca is called ............
    1. Phycology
    2. Conchology
    3. Malacology
    4. Mycology
55. The body of a mollusc is divided into:
    1. Head, visceral mass, muscular foot and mantle
    2. Head, abdomen and thorax
    3. Head, prostomium and segments
    4. Head, abdomen and muscular foot
56. The body of a mollusc is covered by a ............
    1. Calcareous shell
    2. Valve
    3. Spicules
    4. Visceral mass
57. Which type of circulatory system is found in Mollusca?
    1. Closed
    2. Systemic
    3. Open
    4. Pulmonary
58. Mollusca is classified into ......... classes.
    1. 3
    2. 5
    3. 7
    4. 9
59. An octopus belongs to which class?
    1. Gastropoda
    2. Cephalopoda
    3. Polyplacophora
    4. Monoplacophora
60. Which of the following is incorrect for Mollusca?
    1. They are bilaterally symmetrical
    2. They are coelomate
    3. They have an organ-system level of organisation
    4. They are pseudocoelomate
61. The radula is used for _______ in Mollusca.
    1. Feeding
    2. Respiration
    3. Movement
    4. Excretion

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