81. Which of the following is a Plant Hormone?
(A) Angiotensin
(B) Renin
(C) Dopamine
(D) Cytokinin
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82 When bark of a tree is removed near the base in circular form, tree dries up and dies because
(A) Water from soil cannot rise to aerial parts
(B) Roots are starved due to lack of energy
(C) Tree infected by microbes
(D) Roots does not receive oxygen for respiration
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83. Which of the following has placoid scales?
(A) Pangolin
(B) Armadillo
(C) Hemidactylus
(D) Scoliodon
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84. To which of the following diseases SSRNA with RNA transcriptase enzyme is associated?
(A) Chicken Pox, Rabies, Influenza
(B) Hepatitis, Pneumonia, Influenza
(C) Rabies, Chicken Pox, Small Pox
(D) Pneumonia, Influenza, Rabies TRIS
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85. Select the appropriate molecular structure of Ribose.
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86. Which of the following controls reflex movements of Head and Neck in response to visual and auditory stimuli ?
(A) Spinal Cord
(B) Fore Brain
(C) Mid Brain
(D) Hind Brain
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87. For which of the following culex mosquito is a vector ?
(A) Wuchereria
(B) Leishmania
(C) Trypanosoma
(D) Neisseria
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88. Ciliated epithelium characteristic to which of the following?
(A) Lung and trachea
(B) Fallopian tube and bronchioles
(C) Liver and trachea
(D) Uterus and small intestine
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89. Choose the correct statement from the following.
(A) Typhoid, Cholera, Tuberculosis are caused by viruses.
(B) The antibiotic Penicillin blocks the bacterial processes that synthesise DNA.
(C) All the viruses live inside host cell, whereas bacteria very rarely do.
(D) All bacteria multiply inside host cell.
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90. Which of the following indicates that traits may be dominant or recessive?
(A) Dihybrid cross
(B) Back cross
(C) Monohybrid cross
(D) Test cross
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91. Widal test is used for susceptibility of
(A) Typhoid
(B) Sleeping sickness
(C) Yellow fever
(D) Dengue
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92. Which of the following options include the pollutants considered by National Air Quality Index (NAQI)?
(A) PM2.5, NO2, SO2, CO, O3, NH3 and Pb
(B) PM10, PM2.5, NO2, SO2, CO2, O3, NH3 and Pb
(C) PM10, PM2.5, NO3, SO4, CO3, O3, NH3 and As
(D) PM10, NO2, SO2, CO3, O3, NH4 and Pb
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93. The phosphate group (Pi) in a free nucleotide molecule is esterified to the -OH group of sugar molecule at which of the following positions?
(A) C-1 and C-3 position
(B) C-3 and C-4 position
(C) C-5 and C-3 position
(D) C-5 and C-1 position
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94. Identify the correct match between Tiger Reserve and its State.
(A) Manas – Assam
(B) Corbett – Madhya Pradesh
(C) Bandipur – Tamil Nadu
(D) Palamau – Orissa
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95. In any given situation, the energy source we would choose depends upon which of the following factors?
(A) Ease of extracting energy from that energy source
(B) The efficiency of the technology available
(C) The environmental damage
(D) All of the above
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96. Which of the following human ancestors are classified as pre-historic man?
(A) Homo erectus erectus
(B) Homo sapiens fossilis
(C) Homo sapiens neanderthelansis
(D) Rama pithecus
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97. The regions of ‘Megadiversity’ are especially found in between
(A) The Tropic of Cancer and Equator
(B) The Tropic of Capricorn and Equator
(C) South Temperate Zone and Tropic of Capricorn
(D) The Tropic of Capricorn and Tropic of Cancer
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98. In an ecosystem the relationship and interactions among organisms can be indicated by symbols like ‘0’, ‘-’ and ‘+’. Select the correct option indicating parasitism and commensalism type of interaction.
[Note: The first symbol indicates population 1 whereas the second symbol represents population 2]
(A) (-), (0) and (+), (-)
(B) (+), (-) and (+), (0)
(C) (+), (+) and (+), (0)
(D) (-), (0) and (-), (-)
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99. Which of the following Hot Spots is especially renowned for Amphibian fauna, having about 220 species, of which 78% are endemic?
(A) Eastern Ghats
(B) Andaman Islands
(C) Nicobar Islands
(D) Western Ghats
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100. Which of the following technical terms refers to 9-headed demon serpent of Greek Mythology?
(A) Naja naja
(B) Hydra viridis
(C) Dugesia japonica
(D) Pheretima posthuma
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