"Discover the world of biodiversity with our comprehensive guide and collection of 50+ MCQs on the topic of "An Introduction to Biodiversity". Designed specifically for Class/Grade 9 level students preparing for various Board Examinations, such as BISE and Federal Board, and entry tests like NEET, NMDCAT, CSS, PMS, EATA, NTS, and CTS. Brush up on subtopics including the importance of biodiversity, classification, binomial nomenclature, viruses, conservation, deforestation, and human impact. Test your knowledge and enhance your understanding of this fascinating subject with our expertly crafted MCQs."
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| 55+ MCQs for Higher Marks in 9 Board Exams and Entry Tests From MCQs Library of H.E.S (Health, Education, and Skills) |
MCQs on Biodiversity, its importance, and distribution on planet earth
1. What is the term used to describe the wide range of living organisms on Earth?
A. Biodiversity
B. Ecosystem
C. Flora
D. Fauna
2. Why is biodiversity important for human beings?
A. It provides knowledge of other life forms
B. It provides food for human beings
C. It helps in the production of drugs
D. All of the above
3. How does biodiversity relate to the ecosystem?
A. It is unrelated
B. It makes the ecosystem less productive
C. It makes the ecosystem more productive
D. It does not affect the ecosystem
4. What factors affect the biodiversity of an area?
A. Climate
B. Altitude
C. Soil composition
D. All of the above
5. What is the study of the relationship between living organisms and their environment?
A. Biodiversity
B. Ecosystems
C. Taxonomy
D. Biology
6. Which of the following is a benefit of biodiversity?
A. Food for human beings
B. Industrial benefits
C. Recreational benefits
D. All of the above
MCQs on Classification (Taxonomy)
7. Which of the following is not one of the main aims of classification?A) To determine the similarities and differences among organisms
B) To provide an idea about the sequence of evolution of organisms from simple to complex
C) To express relationships based on common features
D) None of the above
8. Organisms are classified based on which of the following?
A) Habitat and physical characteristics
B) Genetics and anatomy
C) Physiology and evolutionary history
D) All of the above
Q9: What is the modern classification based on?
A) Habitat and physical characteristics
B) Genetics, anatomy, physiology, and evolutionary history
C) Only genetics
D) Only evolutionary history
10. What is the branch of biology that deals with the study of naming and classification of organisms called?
A. Taxonomy
B. Anatomy
C. Ecology
D. Physiology
11. What is the taxonomical category from species to the kingdom called?
A. Hierarchy of taxonomy
B. Taxonomical levels
C. Taxonomical ranks
D. Taxonomical units
12. Who proposed a system of different ranks or levels for the classification of an organism?
A. Charles Darwin
B. Carolus Linnaeus
C. Gregor Mendel
D. Johannes Kepler
13. What is the basic and smallest unit of classification?
A. Species
B. Genus
C. Family
D. Kingdom
14. What is a group of organisms that can interbreed naturally and produce fertile offspring called?
A. Genus
B. Family
C. Order
D. Species
15. What is a group of species that are similar in some characteristics called?
A. Genus
B. Family
C. Order
D. Phylum
16. What are closely related genera grouped into?
A. Family
B. Order
C. Class
D. Kingdom
17. What are closely related families grouped into?
A. Genus
B. Order
C. Class
D. Phylum
18. What are closely related orders grouped into?
A. Family
B. Class
C. Phylum
D. Kingdom
19. What are closely related classes grouped into?
A. Family
B. Order
C. Phylum
D. Kingdom
20. What are closely related phyla grouped into?
A. Class
B. Order
C. Family
D. Kingdom
21. What is the largest unit of classification?
A. Species
B. Genus
C. Family
D. Kingdom
22. What is the two-word naming system called?
A. Bionomial nomenclature
B. Taxo nomenclature
C. Binomial classification
D. Two-part naming system
23.Who developed the binomial nomenclature system?
A. Charles Darwin
B. Carolus Linnaeus
C. Gregor Mendel
D. Johannes Kepler
24. How many words does the name of an organism consist of according to the binomial nomenclature system?
A. One
B. Two
C. Three
D. Four
25. What is the first word of the name in the binomial nomenclature system?
A. Genus name
B. Specie name
C. Family name
D. Order name
26. What is the second word of the name in the binomial nomenclature system?
A. Genus name
B. Specie name
C. Family name
D. Order name
27. How are the words of the name written in the binomial nomenclature system?
A. Capital letters
B. Small letters
C. Italics or underlined
D. Capitalized and underlined
28. What is the importance of the binomial nomenclature system?
A. Every organism has a specific biological name
B. Avoids confusion in local names
C. Biological names are definite and precise
D. All of the above
29. What is the language used for biological names in the binomial nomenclature system?
A. English
B. Latin
C. Greek
D. Spanish
30. What does the binomial nomenclature system show about the organism?
A. Its relationship to other organisms
B. Its physical characteristics
C. Its habitat
D. Its behavior
MCQs on Viruses
31. What does the Latin word "venom" mean?A. Poisonous fluid
B. Deadly poison
C. Harmful substance
D. Toxin
32. What is the study of viruses called?
A. Virology
B. Microbiology
C. Immunology
D. Pathology
33. Who discovered viruses for the first time?
A. Iwanowsky
B. Pasteur
C. Koch
D. Jenner
34. Can viruses be seen through a light microscope?
A. Yes
B. No
C. Sometimes
D. It depends on the virus
35. How do viruses compare in size to bacteria?
A. They are the same size
B. They are larger than bacteria
C. They are smaller than bacteria
D. They can vary in size
36. What is the shape of the Tobacco Mosaic Virus?
A. Round
B. Rod-shaped
C. Tadpole-shaped
D. Polyhedral
37. What is the mode of nutrition for viruses?
A. Autotrophic
B. Heterotrophic
C. Parasitic
D. Saprotrophic
38. How are viruses classified in the five-kingdom system?
A. As plants
B. As animals
C. As their own kingdom
D. They are excluded
39. Are viruses considered living organisms?
A. Yes
B. No
C. They are on the borderline
D. It is debatable
40. Do viruses have a cellular structure?
A. Yes
B. No they are Acellular
C. Sometimes
D. It depends on the virus
41. Can viruses excrete?
A. Yes
B. No
C. Sometimes
D. It depends on the virus
42. What is the outer protein coat of a virus called?
A. Capsid
B. Envelope
C. Nucleic acid
D. Genome
MCQs on Conservation of Biodiversity, Human Impact on Biodiversity, and Deforestation
43. What is the management, protection, and preservation of natural resources called?
A) Preservation
B) Protection
C) Conservation
D) Management
44. What does conservation of biodiversity mean?
A) Using natural resources in an irresponsible manner
B) Ignoring the importance of natural resources
C) Using natural resources in a judicious manner
D) Depleting natural resources
45. How does overpopulation impact biodiversity?
A) Increases biodiversity
B) Has no impact on biodiversity
C) Decreases biodiversity
D) Improves biodiversity
46. How is deforestation linked to soil erosion and desertification?
A) It improves soil erosion and desertification
B) It is not linked to soil erosion and desertification
C) It has no impact on soil erosion and desertification
D) It worsens soil erosion and desertification
47. How has human intervention impacted many plant and animal species?
A) It has improved them
B) It has had no impact on them
C) It has endangered them
D) None
48. What is deforestation?
A. Planting of trees
B. Cutting of trees for wood
C. Natural removal of trees
D. The unwise and unplanned destruction or removal of trees
49. Why are forests important?
A. To provide recreation for man
B. To build roads and houses
C. To provide green cover and habitat for wildlife
D. All of the above
50. What is one effect of deforestation?
A. Increase in soil fertility
B. Increase in rainfall
C. Destruction of habitats for wildlife
D. Growth of more forests
51. What is one effect of deforestation on climate?
A. Increase in rainfall
B. Low rainfall and global warming
C. Cooler temperatures
D. More frequent natural disasters
52. What is the role of the timber mafia in deforestation?
A. To protect forests
B. To conserve forests
C. To cut trees for easy cash
D. None
53. How does deforestation affect recreation sources?
A. Increases recreation sources
B. Has no effect on recreation sources
C. Decreases recreation sources
D. Improves recreation sources
MCQs on definitions of Endangered, Extinct, and Threatened Species
54. What is an extinct species?A. A species that is near extinction
B. A species that is increasing in population
C. A species that no longer live on Earth
D. A species that is only found in one region
55. What is an endangered species?
A. A species that is increasing in population
B. A species that is near extinction
C. A species that no longer live on Earth
D. A species that is only found in one region
56. What is a threatened species?
A. A species that is increasing in population
B. A species that is near extinction
C. A species that no longer live on Earth D. A species that is likely to become endangered in the near future
57. What can be a reason for a species to become endangered or extinct?
A. Natural disasters
B. Hunting or poaching for commercial purposes
C. Habitat loss
D. All of the above
58. What is the importance of protecting endangered and threatened species?
A. To maintain the balance of nature
B. To ensure the survival of the species
C. For commercial purposes
D. Both A and B
Answers
1. A 2. D 3. C 4. D 5. B 6. D 7. D 8. D 9. B 10. A 11. A 12. B 13. A 14. D 15. A 16. A 17. B 18. B
19. C 20. D 21. D 22. A 23. B 24. B 25. A 26. B 27. C 28. D 29. B 30. A 31. A 32. A 33. A 34. B
35. C 36. B 37. C 38. D 39. C 40. C B 41. B 42. A 43. C 44. C 45. C 46. D 47. C 48. D 49. D
50. C 51. B 52. C 53. C 54. C 55. B 56. D 57. D 58. D
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