61. Herkogamy is found in
(A) Cotton
(B) Calotropis
(C) Marigold
(D) Bajra
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62. Fucoxanthin is main pigment in
(A) Scytonema
(B) Chara
(C) Ectocarpus
(D) Volvox
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63. Gynobasic style is found in
(A) Asteraceae
(B) Lamiaceae
(C) Ranunculaceae
(D) Rosaceae
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64. Pettenkoffer’s apparatus is used to determine the rate of
(A) Transpiration
(B) Photosynthesis
(C) Respiration
(D) Photo-respiration
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65. All flightless birds belong to super order
(A) Odontognathae
(B) Impennae
(C) Ratitae
(D) None of these
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66. Nilgiri Biosphere reserve is located in
(A) Tamil Nadu only
(B) Karnataka and Kerala only
(C) Tamil Nadu and Kerala only
(D) Tamil Nadu, Kerala and Karnataka only
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67. Modified form of zoea larva is
(A) Mysis
(B) Alima
(C) Megalopa
(D) Cypris
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68. Completely free movement of fishes between fresh and marine water without the purpose of breeding is called as
(A) Catadromous migration
(B) Amphidromous migration
(C) Anadromous migration
(D) None of these
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69. The ratio between experimental and observed result is represented by
(A) Chi-square
(B) Theta value
(C) Variance ratio
(D) None of these
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70. Synaptonemal complex is found in which stage of Meiosis ?
(A) Zygotene of prophase
(B) Pachytene of prophase
(C) Anaphase
(D) Anaphase
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71. Which year declared as “International Year of Biodiversity” ?
(A) 2008
(B) 2009
(C) 2010
(D) 2011
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72. The average weight of which of the following woods is heaviest ?
(A) Pine
(B) Deodar
(C) Shisham
(D) Sal
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73. Which of the following is involved in the metamorphosis of insects ?
(A) Only Juvenile hormone
(B) Only ecdysone
(C) Both Juvenile hormone and ecdysone
(D) Pheromones
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74. Which of the following is the smallest RNA?
(A) m-RNA
(B) r-RNA
(C) t-RNA
(D) hn-RNA
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75. Family cucurbitaceae belongs to order
(A) Ficoidales
(B) Passiflorales
(C) Sapindales
(D) Malveles
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76. The micronucleus of Paramecium is
(A) diploid
(B) polyploid
(C) non-reproductive
(D) the main source of RNA
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77. The enzyme fatty acid synthetase complex is made up of
(A) 5 units
(B) 6 units
(C) 7 units
(D) 8 units
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78. Conjoint, bicollateral, open vascular bundles are found in stem of
(A) Cucurbitaceae
(B) Rosaceae
(C) Malvaceae
(D) Ranunculaceae
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79. The book ‘Origin of Species’ was published in
(A) 1809
(B) 1858
(C) 1859
(D) 1956
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80. In the Seismonastic movement of Mimosa pudica leaves involved
(A) Osmotic pressure
(B) Turgor pressure
(C) Wall pressures
(D) Diffusion pressure deficit
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