Top 500+ 9th Class Biology Subject Mcqs Pdf Download Chapter No 03
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CHAPTER 3
BIODIVERSITY
Encircle the most appropriate answer from the following options
1. How many forms of organisms inhabit the earth?
(a) 10 million
(b) 15 million
(c) 20 million
(d) 25 million
2. The plants present in a particular region:
(a) Flora
(b) Fauna
(c) Species
(d) Population
3. The animals present in a particular region:
(a) Flora
(b) Fauna
(c) Species
(d) Both a and b
4. Biodiversity discover on earth today is the result of how many years of evolution?
(a) 3 billion
(b) 4 billion
(c) 5 billion
(d) 6 billion
5. The department of Biology which deals with class and traces the evolutionary history of organisms:
(a) Taxonomy
(b) Systematics
(c) Histology
(d) Entomology
6. Which of the following is the highest taxon of classification?
(a) Species
(b) Genus
(c) Order
(d) Family
7. A class is a group of related:
(a) Phylum
(b) Order
(c) Family
(d) Genus
8. A related group of genera comprises:
(a) Phylum
(b) Class
(c) Family
(d) Order
9. A genus is a group of related:
(a) Class
(b) Family
(c) Order
(d) Species
10. A family is a group of related:
(a) Genera
(b) Orders
(c) Species
(d) Classes
11. A group of related species is:
(a) Kingdom
(b) Phylum
(c) Genus
(d) Order
12. The order of pea plant:
(a) Pisum
(b) Fabales
(c) Magnoliophyta
(d) Fabaceae
13. The family of human being:
(a) Chordata
(b) Mammalia
(c) Primates
(d) Hominidae
14. The order of human according to classification is:
(a) Mammalia
(b) Primates
(c) Hominidae
(d) Pisum
15. The basic unit of classification:
(a) Order
(b) Family
(c) Genus
(d) Species
16. Who introduced the system of classification of organisms for the first time?
(a) Ernst Hackel
(b) Aristotle
(c) Carolus Linnaeus
(d) Robert Whittaker
17. The smallest taxon of taxonomy is:
(a) Family
(b) Order
(c) Species
(d) Kingdom
18. The cross among a male donkey and a female horse produces:
(a) Mule
(b) Pony
(c) Liger
(d) Tiger
19. The animal unable to reproduce is:
(a) Monkey
(b) Mule
(c) Horse
(d) Donkey
20. Divided plants into fifteen groups and called them “genera”:
(a) John Ray
(b) Tournefort
(c) Carolus Linnaeus
(d) Andrea Caesalpino
21. Who introduced the taxon of “order”?
(a) Tournefort
(b) Carolus Linnaeus
(c) Augustus Rivinus
(d) Aristotle
22. Carolus linnaeus divided nature into Kingdom?
(a) Three
(b) Four
(c) Five
(d) Six
23. In which year three kingdom classification system was proposed?
(a) 1860
(b) 1862
(c) 1864
(d) 1866
24. Who proposed three kingdom classification system?
(a) E-Chatton
(b) Robert Whittaker
(c) Ernst Hackel
(d) Margulis
25. Bacteria are assigned to the kingdom:
(a) Fungi
(b) Monera
(c) Protista
(d) Porifera
26. Which of the following groups consists of organisms all of that are prokaryotes?
(a) Plants
(b) Bacteria
(c) Protists
(d) Animals
27. In which year five kingdom classification system was proposed?
(a) 1965
(b) 1966
(c) 1967
(d) 1968
28. Who proposed the five kingdom classification system?
(a) E-Chatton
(b) Robert Whittaker
(c) Ernst Hackel
(d) Margulis
29. Five-kingdom classification system of whittaker was modified by:
(a) Margulis
(b) Schwartz
(c) E-chatton
(d) Both a and b
30. Which organism is included in kingdom monera?
(a) Cyanobacteria
(b) Algae
(c) Fungi
(d) Virus
31. According to Biologists, the ancestors of protists are:
(a) Plantae
(b) Fungi
(c) Animalia
(d) All of these
32. Kingdom Protista includes:
(a) Eukaryotic unicellular
(b) Simple multicellular
(c) Eukaryotic multicellular
(d) Both a and b
33. Nuclear envelope is absent in:
(a) Monera
(b) Protista
(c) Fungi
(d) Plantae
34. Viruses belong to kingdom:
(a) Monera
(b) Protista
(c) Fungi
(d) None of these
35. Which organisms are composed of only proteins?
(a) Prions
(b) Viroids
(c) Fungi
(d) Algae
36. Which of these is acellular particle?
(a) Human
(b) Bacteria
(c) Fungi
(d) Virus
37. The organisms which are composed of circular RNA only?
(a) Prions
(b) Viroids
(c) Fungi
(d) Algae
38. The cell wall of fungi is made up of among the following :
(a) Chitin
(b) Cellulose
(c) Peptidoglycan
(d) Lignin
39. Common example of kingdom fungi is:
(a) Mushroom
(b) Fern
(c) Algae
(d) Mosses
40. Who was firstly introduce and adopted the system of binomial nomenclature?
(a) E-chatton
(b) Robert Whittaker
(c) Carolus linnaeus
(d) Margulis
41. Bauhinia variegata is an ornamental tree discovered in:
(a) North Asia
(b) South Asia
(c) Southeast Asia
(d) All of these
42. Scientific name of onion:
(a) Allium cepa
(b) Asterias rubens
(c) Corvus splendens
(d) Homo sapiens
43. Scientific name of house crow:
(a) Allium cepa
(b) Asterias rubens
(c) Corvus splendens
(d) Homo sapiens
44. Scientific name of star fish:
(a) Allium cepa
(b) Asterias rubens
(c) Corvus splendens
(d) Homo sapiens
45. What was the populace of earth 10,000 years ago?
(a) 2 million
(b) 3 million
(c) 4 million
(d) 5 million
46. How many humans are added in human population each day?
(a) 240,000
(b) 250,000
(c) 260,000
(d) 270,000
47. No of human beings increasing in the world population after every minute is:
(a) 180
(b) 290
(c) 280
(d) 490
48. A species that no longer lives in an ecosystem is known as :
(a) Endangered species
(b) Global ecosystem
(c) Extinct species
(d) Population
49. The greatest cause of species extinction is:
(a) Hunting
(b) Species introduction
(c) Habitat destruction
(d) None of these
50. The greatest threat to biodiversity on earth today:
(a) Species introduction
(b) Pollution
(c) Habitat Loss
(d) Hunting
51. Which organization prepared the first national Red List of Pakistan?
(a) WWF-P
(b) IUCN
(c) NACP
(d) HJP
52. Pakistan signed UN Convention on Combating Desertification in:
(a) 1995
(b) 1996
(c) 1997
(d) 1998
53. When did the Himalayan Jungle Project started?
(a) 1990
(b) 1991
(c) 1992
(d) 1993
54. How many birds are killed in Chitral during migration?
(a) 100,000
(b) 200,000
(c) 300,000
(d) 400,000
55. How many animals of Indus Dolphin are left today in the Indus river?
(a) 300
(b) 400
(c) 500
(d) 600
56. Houbara bustard flies to Pakistan in:
(a) Summer
(b) Spring
(c) Autumn
(d) Winter
57. The National animal of Pakistan:
(a) Markhor
(b) Snow leopard
(c) Tiger
(d) Brown bear
58. The National bird of Pakistan:
(a) Markhor
(b) Pigeon
(c) Chakor partridge
(d) Brown bear