UKSSSC Forest SI (Forester) Exam Paper 11 June 2023 (Answer Key)

81. Which of the following is a Plant Hormone?
(A) Angiotensin
(B) Renin
(C) Dopamine
(D) Cytokinin

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

83. Which of the following has placoid scales?
(A) Pangolin
(B) Armadillo
(C) Hemidactylus
(D) Scoliodon

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

85. Select the appropriate molecular structure of Ribose.

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

87. For which of the following culex mosquito is a vector ?
(A) Wuchereria
(B) Leishmania
(C) Trypanosoma
(D) Neisseria

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

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.

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

91. Widal test is used for susceptibility of
(A) Typhoid
(B) Sleeping sickness
(C) Yellow fever
(D) Dengue

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

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

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

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

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

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

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 (-), (-)

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

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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