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TNPSC – EM ~ 1 ~
FUTURE VISION STUDY CENTRE – SALEM CONTACT : 90420 30163
TNPSC – GR – I &II (Prelims) - 2020
SUBJECT / TOPICS: BIOLOGY (TEST NO: 1)
(MAINS CONCEPTS OF LIFE SCIENCE,
CLASSIFICATION OF LIVING ORGANISMS, EVOLUTION)
TIME: 1hr MARKS: 100
1. Fishes are originated from mud, frogs from moist soil & insects from decaying matter
are the examples of
A) Abiogenesis B) Biogenesis C) Cosmic orgin D) Bigbang theory
2. Vestigal organs are examples of
A) Presence of rudimentary tail in new born babies
B) Presence of thick hair on human body
C) Nictitating membrane
D) All of the above
3. Biogenetic law states that
A) Ontogeny & Phylogeny go together
B) Ontogeny recapitulates phylogeny
C) Phylogeny recapitulates ontogeny
D) There is no relationship between phylogeny & ontogeny
4. The best way of direct dating fossils of recent origin is by
A) Radio -carbon method B) Uranium - lead method
C) Potassium argon method D) both A & C
5. The term Ethobotany was coined by
A) Khorana B) J.W.Harsbberger C) Ronald Ross D) Hago de vries
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6. The use & disusetheory was proposed by
A) Charles Darwin B) Ernst Hackel
C) Gregor Mendel D) Jean Baptiste Lamarck
7. Match the following
Column A Column B
a) Atavism - 1) Caudal vertebral
b) vestigial Organs - 2) A forelimb of a cat & a bat’s wing
c) Analogous organs - 3) Rudimentary tail & thick hair on the body
d) Homologous organs - 4) a wing of a bat
` e) Wood park - 5) Radio carbon dating
f) W.F.Libby - 6) Thiruvakkarai
A) 3 1 4 2 6 5 B) 4 2 3 1 5 6 C) 2 4 3 1 6 5 D) 3 4 1 6 2 5
8. “Father of Indian paleobotany” is
A) Kaspar maria ven Sternberg B) Birbal sahani
C) W.F. Libby D) Khorana
9. Molecular taxonomic tool consists of
A) DNA & RNA
B) Mitrochondria & Endoplamic reticulum
C) Cell wall & Membrance proteins
D) All the above
10. Cladogram considers the following characters
A) Physiological & Bio chemical B) Evolutionary & Phylogenetic
C) Taxinimic & systematic D) none of the above
11. Which of the following is not present in same rank?
A) Primata B) Orthoptera C) Diptera D) Insecta
12. Biogenesis was speculated by
A) Oparin B) Haldane C) Louiss Pasteur D) Darwin
13. Leonardo da vinci is the
A) Father of Palaeontology B) Father of Biogenesis
C) Father of Ethnobotany D) none of these
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14. Competition between the organisms of different species living together is known as
A) Intra specific struggle B) Inter specific struggle
C) Environmental struggle D) none
15. Continuous variation in population is
A) Short legged Ancon sheep B) Six or more digits fingers in human
C) Skin colour D) All of the above
16. The term biodiversity was first introduced by
A) Walter Rosen B) A.G.Tansley C) Wilson D) Mora et al
17. Meaning of Taxis & Nomos is
A) Arrangement & law B) Law & Arrangement
C) Agreement & arrangement D) Arrangement & agreement
18. Who is known as father of taxonomy?
A) Augustin B) Carolus Linnaeus C) Aristotle D) Watter Rosen
19. Who is the father of modern taxonomy
A) Augustin B) Carolus Linnaeus C) Aristotle D) Watter Rosen
20. System includes ____________ taxa
A) 5 B) 7 C) 6 D) 8
21. Correct order of 8 taxa are
A) Domain → Kingdom → class → order → phylum → family → genus → species
B) Domain → family → class →order → phylum → genus → species → kingdom
C) Domain → kingdom → phylum → class → order → family → genus → species
D) Kingdom → Domain → phylum → family → class → order → genus → species
22. “Father of Botany” is _______________
A) Rosen B) John Ray C) Theophrastus D) Linnaeus
23. The first DNA polymerase enzyme was isolated from
A) Thermus aquatics B) Lychan C) Polymerase D) Eubacteria
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24. Who revised the six kingdom system to seven kingdom system?
A) Carl woese B) Aristotle C) Walter rosen D) Cavalier - smith
25. Prokaryotic is
A) Protista B) Fungi C) Monera D) Plantac
26. Mode of nutrition of Protista
A) Autotrophic B) Heterotrophic C) A & B D) None
27. The part of six - kingdom system are
A) Eubacteria B) Protozoa C) Chromista D) Protista
28. _______ is the basic unit of classification in the taxonomic hierarchial system
A) species B) order C) family D) class
29. Crosses between male horse and female donkey results in
A) Mule B) Liger C) Hinny D) Tigon
30. Crosses between male donkey & female horse results in
A) Hinny B) Mule C) liger D) Tigon
31. Felis margarita is
A) Jungle cat B) Domestic cat C) wild cat D) red panda
32. Red panda is
A) Felis domestica B) Felis morgarita
C) Felis silvestris D) Ailurus fulgens
33. Who is the bird man of India?
A) Dr. Salim Ali B) Dr.Subramaniam Bhupathy
C) Cavalier - Smith D) R.H. Whittaker
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34. A living organism is differentied from non - living structure based on
A) reproduction B) Growth C) Metabolism D) All the above
35. Which taxonomic aid gives comprehensive information about a taxon?
A) Taxonomic key B) Herbarium C) Flora D) Monograph
36. Cladogram considers the following characters
A) Physiological and biochemical B) Evolutionary and phylogenetic
C) taxonimic and systematic D) none of the above
37. Which of the following animals has a true coelom?
A) Ascaris B) Pheretima C) sycon D) Taenia solium
38. Metameric segmentation is the main feature of
A) Annelida B) Echinodermata C) Arthropoda D) coeleterata
39. Which of the following is not correctly paired?
A) Human - Ureotelic B) Birds - Uricotelic
C) Lizards - Uricotelic D) Whale - Ammonotelic
40. Which of the following is an egg laying mammal?
A) Dolphinus B) Macropus C) Ornithorhynchus D) equus
41. Which of the following is correctly matched?
A) Physalia - portugese man of war B) Pennatula - sea fan
C) Adamsia - Sea pen D) Gorgonia - sea anemone
42. Four chambered heart is present in
A) lizard B) Snake C) Scorpion D) Crocodile
43. Species is
A) not related to evolution
B) specific class of evolution
C) specific unit of evolution
D) fertile specific unit in the evolutionary history of a race
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44. In which of the following organisms self fertilization is seen
A) Fish B) Round worm C) Earth worm D) Liver fluke
45. The respiratory pigment present in cockroach is
A) Haemoglobin B) Haemocyanin C) Oxyhaemoglobin D) none of these
46. Book lungs are respiratory organs in
A) Insects B) Aarachnids C) Molluscans D)Echinoderms
47. Which of the following is not an annelid?
A) Leech B) Earthworm C) Sea mouse D) sea cucumbers
48. Which is the National Aquatic Animal of India?
A) River Dolphin B) Blue whale C) Sea horse D) gangetic shark
49. An important characteristic that Hemichordates share with chordates is
A) Ventral tubular nerve chord B) Pharnyx with gill slits
C) pharynx without gill slits D) Absence of notochord
50. Which among these is correct combination of aquatic mammals?
A) Dolphins, seals, trogon B) Whales, dolphins, seals
C) Trygon, whales, seals D) seals, dolphin, sharks
51. Match the following
Branch of science field of study
a) Mycology - 1) Study of birds
b) Ornithology - 2) Study of worms
c) Herpetology - 3) Study of fishes
d) Lethylogy - 4) Study of Fungi
- 5) Study of Reptiles
A) 4 1 5 3 B) 4 1 3 5 C) 5 3 1 4 D) 4 2 5 3
52. Placoid scales are found in
A) Reptilia B) Bony fishes C) Cartilaginous fishes D) Amphibians
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53. Which of the following snakes non - poisonous?
A) Cobra B) Krait C) viper D) Python
54. The first life on earth originated?
A) in air B) on land C) In water D) on mountains
55. Who published the book “origin of species by natural selection” in 1859?
A) Darwin B) Lamarck C) Weismann D) Hugo de vries
56. The wings of birds & butterflies is an example of
A) Adaptive radiation B) Convergent evolution
C) Divergent evolution D) variation
57. Modernman belongs to which period?
A) Quaternary B) Cretaceous C) Silurian D) Cambrian
58. The phenomenon of “ Industrial melanism” demonstrates
A) Natural selection B) Induced selection
C) Reproductive isolation D) Geographical isolation
59. Darwin’s finches are examples of
A) connecting links B) Seasonal migration
C) adaptive radiation D) Parasitism
60. which period was called “age of Fishes”?
A) Permian B) Triassic C) Devonian D) Ordovician
61. The golden age of reptiles was
A) Mesozoic era B) Cenzoic era C) Palezoic era D) Proterozoic era
62. Evolution history of an organism is called
A) Ancestry B) Ontogeny C) Phylogeny D) Paleontology
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63. The Neanderthal man had the brain capacity of
A) 650 - 800 cc B) 1200 cc C) 900 cc D) 1400 cc
64. Perigynous flowers are found in
A) Rose B) Guava C) Cucumber D) China rose
65. Which part of the tobacco plant is infected by Melofiogyne incognita?
A) Flower B) leaf C) Stem D) Root
66. An example of edible underground stem is
A) Carrot B) Ground nut C) Sweat potato D) potato
67. Placenta & pericarp are both edible portions in
A) Apple B) banana C) Tomato D) potato
68. Seed coat is not thin, membranous in
A) Coconut B) Ground nut C) Gram D) maize
69. Cymose inflorescence is present in
A) Trifolium B) Brassica C) Solanum D) Sesbania
70. A drup develops in
A) Tomato B) Mango C) Wheat D) pea
71. Example for negatively geotropic roots
A) Ipomoea. Dahlia B) Asparagus, Ruellia
C) Vitis, Portulaca D) Avicennia, Rhizophora
72. Roots are
A) Descending, negatively geotropic positively phototropic
B) Decending, positively geotropic negatively phototrophic
C) Ascending, positively geotropic, negatively phototrophic
D) Ascending, negatively geotropic, positively phototrophic
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73. Which is essential for the growth of root tip?
A) Zn B) Fe C) Ca D) Mn
74. Active transport of ions in the cell requires
A) High tempertature B) ATP C) Salts D) Alkaline pH
75. Cytochrome oxidase contains
A) Iron B) Magnesium C) zinc D) copper
76. Which one gives the most valid and recent explanation for stomatal movements?
A) Transpiration B) potassium influx & efflux
C) Starch hydrolysis D) Guard cell photosynthesis
77. The first stable product of fixation of atmospheric nitrogen in leguminous plants are
A) NO3- B) NO2
- C) Glutamate D) ammonia
78. C4 plants are more efficient in photosynthesis than C3 plants due to
A) Presence of thin cuticle
B) Lower rate of photo respiration
C) Higher leaf area
D) presence of larger number of chloroplast in the leaf cells
79. In Chloroplast, chlorophyll is present in the
A) Stroma B) Outer membrane C) Inner membrane D) Thylakoids
80. Synthesis of ADP + Pi → ATP in grana is
A) Phosphorylation B) Photolysis
C) Photophosphorylation D) Oxidative phosphorylation
81. The common phase between aerobic & anaerobic respiration is called
A) Glycolysis B) Krebs cycle
C) Tricarboxylic acid cycle D) Oxidative phosphorylation
82. ATP synthesis occurs on the
A) Matrix B) outer membrane of mitrochondrion
C) Inner membrane of Mitrochondrion D) None of the above
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83. Which one of the following acts as a hormone involved in ripening of fruits
A) Napthalene acetic acid B) Ethylene
C) Indole acetic acid D) Zeatin
84. Banana is seedless because
A) It produces asexually B) Auxin is sprayed
C) Both A & B D) none
85. One of the synthetic auxin is
A) IBA B) NAA C) IAA D) GA
86. Photoperiodism was first characterised in
A) Cotton B) Potato C) Tomato D) Tobacco
87. Root development is promoted by
A) Auxin B) Gibberellin C) Ethylene D) Abscisic acid
88. Photochrome is a
A) Chromoprotein B) Flavoprotein C) Glyco protein D) Lipoprotein
89. Respiration is a process in which
A) Energy is used up B) Energy is stored in the form of ADP
C) Energy is not released at all D) Energy is released and stored in the form of ATP
90. Which of the biomolecules is common to respiration - mediated breakdown of fats,
carbohydrates & proteins?
A) Glucose 6 - phosphate B) Fructose 1,6 - biphosphate
C) Pyruvic acid D) Acetyl CoA
91. Example for phylum Echinodermata
A) Cockroach B) Starfish C) Earthworm D) Tapeworm
92. The powerhouse of the cell is the
A) Chloroplast B) Nucleus C)Mitrochondrion D) Lysosome
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93. The organelle that destroy worn out cells is the __________________
A) Centrosome B) Vacuole C) Lysosome D) Chromosome
94. The cell division common in gametes
A) Mitosis B) Amitosis C) Meiosis D) A & C
95. ____________ are the non - living components of the cells
A) Lysosomes B) Vacuoles C) Nuclei D) Golgi bodies
96. Petals of flowers bears________
A) Chloroplasts B) Leucoplasts C) Chromoplasts D) Amyloplasts
97. ___________ is a prokaryote
A) Amoeba B) Bacteria C) Yeast D) Fungus
98. ________________ are embedded on the rough endoplasmic reticulum
A) Ribosomes B) Lysosomes C) Centrosomes D) Mesosomes
99. The movements of the part of a plant in response to light is called ________________
A) Geotropism B) Hydrotropism C) Photorpism D) Thigmotropism
100. _____________ is the seat of biological oxidations.
A) Endo plasmic reticulum B) ATP C) Mitochondria D) Golgi Complex
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ANSWER KEY:
BIOLOGY (TEST NO: 1)
(MAINS CONCEPTS OF LIFE SCIENCE,
CLASSIFICATION OF LIVING ORGANISMS, EVOLUTION)
1 2 3 4 5 6 7 8 9 10
A C B D B D A B A B
11 12 13 14 15 16 17 18 19 20
D C A B C A A C B D
21 22 23 24 25 26 27 28 29 30
C C A D C C D A C B
31 32 33 34 35 36 37 38 39 40
C D A D B B B A D C
41 42 43 44 45 46 47 48 49 50
A D D D D B D A A B
51 52 53 54 55 56 57 58 59 60
A C D C A B A A C C
61 62 63 64 65 66 67 68 69 70
A C D A D D C A C B
71 72 73 74 75 76 77 78 79 80
D B C B D B D B D C
81 82 83 84 85 86 87 88 89 90
A C B A B D A A D D
91 92 93 94 95 96 97 98 99 100
B C C D B C B A C C