UPSESSB lecturer PGT Exam 2019 – Biology (English)


UPSESSB lecturer PGT Exam 2019 - Biology (English)

101. Which of the following is related to the study of phylogenetic tree?
(A) Idiogram
(B) Electropherogram
(C) Cladogram
(D) Chromatogram

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Answer – C

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102. Which of the following properties of Type Il restriction endonucleases make them very useful in the field of genetic engineering ?
(A) They cleave DNA within their recognition sequence
(B) They require no ATP
(C) They recognize a palindomic sequence of 4 to 6 bp long nucleotides
(D) All of the above

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Answer – D

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103. A symport system moves
(A) One type of molecules unidirectionally
(B) Two solutes unidirectionally
(C) Two types of molecules in opposite directions
(D) One type of molecules bidirectionally

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Answer – B

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104. Which of the following aquatic biomes has the highest primary productivity ?
(A) Swamps
(B) Coral reefs
(C) Estuary
(D) None of the above

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Answer – B

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105. “Blue baby syndrome” caused by impure water of
(A) Arsenic
(B) Cadmium
(C) Nitrate
(D) Mercury

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Answer – C

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106. Making of a web by the spider is an example of
(A) Fixed action pattern
(B) Imprinting
(C) Learned behaviour
(D) Releaser

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Answer – A

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107. A radially symmetrical invertebrate animal, with differentiation of tissues only, will be placed in
(A) Porifera
(B) Cnidaria
(C) Platyhelminthes
(D) Echinodermata

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Answer – B

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108. PCR cycle is also known as
(A) C2 cycle
(B) C3 cycle
(C) Kreb cycle
(D) EMP pathway

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Answer – B

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109. Plastids that synthesize and store te
(A) Eoplasts
(B) Etioplasts
(C) Elsioplasts
(D) Gerontoplasts

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Answer – C

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110. The alkaloid reserpine is contained in the roots of
(A) Papaver somniferum
(B) Cinchona officinalis
(C) Rauwolfia serpentina
(D) All the above

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Answer – C

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111. In plants Agrobacterium thizogenes
(A) Root Rot
(B) Root Proliferation
(C) Tumor Formation
(D) Nodule Formation

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Answer – B

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112. Milk protein Casein is coagulated by
(A) Pepsin
(B) Trypsin
(C) Rennin
(D) Renin

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Answer – C

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113 Plants with latex and unisexual Flowers are found in
(A) Ranunculaceae
(B) Rutaceae
(C) Amaranthaceae
(D) Euphorbiaceae

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Answer – D

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114. In bony fish, reptiles and birds the cleavage is
(A) Meroblastic superficial
(B) Holoblastic unequal
(C) Meroblastic discoidal
(D) Holoblastic radial

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Answer – C

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115. Smallpox is caused by
(A) Variola
(B) Coxiella
(C) Aedes
(D) Francissella

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Answer – A

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116. Vessels are found in
(A) Pinus
(B) Ephedra
(C) Cycas
(D) None of the above

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Answer – B

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117. Axolotl larva exhibits
(A) Neoteny only
(B) Paedogenesis only
(C) Both neoteny and paedogenesis
(D) Eutely

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Answer – C

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118. Which one is commonly called as Reindeer moss
(A) Cladonia rangiferina
(B) Funaria hygrometrica
(C) Sphagnum khasiana
(D) Sphagnum ceylonicum

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Answer – A

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119. Four kinds of skin colours are found in rabbits namely – albino, himalayan albino, agouti and chinchilla because a gene can have
(A) Incomplete dominance
(B) A pair of mutant isoalleles
(C) Less than two allelomorphs
(D) More than two allelomorphs

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Answer – D

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120. Which of the following process is related to soil formation ?
(A) Laterization
(B) Podosolization
(C) Gleization
(D) All of the above

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Answer – D

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121. Which statement is true ?
(A) In chordates, blood flows anteriorly in Dorsal Blood Vessels
(B) In chordates, blood flows posteriorly in Dorsal Blood Vessels
(C) In invertebrates, blood flows posteriorly in Dorsal Blood Vessels
(D) None of the above

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Answer – B

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122. In the region of sarcomere where the actin and myosin filaments overlap, which of the following number of actin filaments surrounds each myosin filament ?
(A) 3
(B) 6
(C) 9
(D) 12

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Answer – B

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123. In gram-negative bacteria the basal body consists of a central core equipped with
(A) L and P rings on inner side
(B) M and S rings on outer side
(C) L and P rings on outer side and S and M rings on inner side
(D) L and P rings on inner side and Sand M rings on outer side

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Answer – C

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124. Ventricular systole is stimulated by
(A) SA Node
(B) AV Node
(C) Pulmonary valve
(D) AV aperture

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Answer – B

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125. In philadelphia chromosome, the translocation occurs between chromosomes
(A) 9 and 22
(B) 7 and 17
(C) 10 and 21
(D) 6 and 16

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Answer – A

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