81. Xeroderma pigmentosum is a disease caused by defects in:
A) Photo reactivation repair
B) Recombination repair
C) Nucleotide excision repair
D) Mismatch repair9
82. If plasmid X and
plasmid Y belong to the same incompatibility group:
Statement 1. Plasmid X and Plasmid Y cannot coexist within the same host
Statement 2. Plasmid X and Plasmid Y share the same subset of replication proteins
A) 1 is wrong and 2 is correct
B) 1 is correct and 2 is wrong
C) Both 1 and 2 are correct
D) Both 1 and 2 are wrong
83. Match the
following
a. fmet 1. Joins exons
b. spliceosome 2. Discontinuous message
c. Shine Dalgarno sequence 3. First of many amino acids
d. pre-mRNA 4. Locates start site
A) a-2, b-4, c-1, d-3
B) a-3, b-1, c-4, d-2
C) a-4, b-1, c-3, d-2
D) a-4, b-3, c-2, d-1
84. The RNA world
hypothesis is proposing that:
A) RNA is both genetic material and catalyst
B) RNA was catalyst only
C) RNA formed from DNA
D) RNA formed from proteins
85. Kingsnake is a non-poisonous snake showing mimicry by adopting the colouration of the poisonous coral snake to avoid predation. In a region where both coral snake and king snake coexist, Kingsnakes' colouration will be more like that of the coral snakes. But, in areas where coral snakes are few, the colouration of Kingsnakes will be more dissimilar. This kind of selection is called:
A) Positive frequency-dependent selection
B) Negative frequency-dependent selection
C) Balanced polymorphism
D) Diversifying selection
86. What is the
maximum theoretical capacity of Lambda replacement vectors?
A) 10 Kb B) 12 Kb C) 15 Kb D) 22 Kb
87. Gateway cloning
is based on:
A) Lambda flp- frt system
B) Lambda Cre- lox system
C) Lambda att P- att B recombination
D) Tn7 transposition
88. ----- is not a
prion disease.
A) Prader- Villi Disease
B) Scrapie Disease
C) Bovine Spongiform Encephalopathy
D) Creutzfeldt- Jacob’s Disease
89. ----- is the
sterilization protocol used for serum in the animal cell culture medium.
A) Wet heat B) Dry heat C) Pasteurisation D) Filter sterilization
90. ----- are not the
properties of finite cell lines.
A) Anchorage dependence
B) Contact inhibition
C) Over expression of telomerase
D) All of the above
91. Which among the
following is the karyotype of Turner syndrome?
A) 44A + XXY B) 2.44A+ YO C) 44A + XYY D) 44A+ XO
92. Raphanobrassica
is an example of:
Statement 1. Distant hybridisation
Statement 2. Intergeneric Hybridisation
A) Both 1 and 2 are correct
B) Both 1 and 2 are wrong
C) 1 is correct, and 2 is wrong
D) 1 is wrong, and 2 is correct
93. Fairchild's Mule
is an example of:
A) Animal interspecific hybrid
B) Cross between a female donkey and a stallion
C) Cross between a mare and a male donkey
D) Plant interspecific hybrid
94. Among 123
cervical cancer patients in a hospital, 84 were diagnosed with human
papilloma virus (HPV)
infection. Based on these statistics, what is your inference?
A) Human papillomavirus is the only causative agent of cervical cancer
B) The coincidence of cervical cancer and HPV is by mere chance
C) HPV infection predisposes the patient to cervical cancer
D) All the above are correct
95. Ten people in a
room has an average height of 166 cm. A 11th person with a height
of 170 cm enters the
room. Now, what is the average height of all eleven people in the
room?
A) 160.5 B) 166. 6 C) 166. 4 D) 166.7
96. The state government of Kerala decided to give all employees a flat raise of Rs 2500 a month. What would this do to the average monthly salary of the state employees and
standard deviation
(SD) of salary?
A) Both remain unchanged
B) Both will change
C) Average monthly salary will increase but, the SD will not change
D) Average monthly salary will not change but, the SD will increase
97. An error causing
all measurements to be systematically too high or too low is called
A) Chance Error
B) Standard Deviation
C) Bias
D) Standard Error
98. The unit of
correlation coefficient is:
A) Same unit as that of the Data correlated
B) Square of the unit of the Data correlated
C) A mere number without any unit
D) None of the above
99. Two coins are
tossed twice. What is the chance that all four faces give heads?
A) 1/8 B) 1 C) 1/4 D) 1/16
100. ------ is a
likelihood-based tree building algorithm.
A) UPGMA
B) Neighbour Joining
C) Maximum Parsimony
D) Bayesian
Learn more: Topic wise Biotechnology Multiple choice
Answers:
81.C) Nucleotide excision repair
82. C) Both 1 and 2 are correct
83. B) a-3, b-1, c-4, d-2
84. A) RNA is both genetic material and catalyst
85.A) Positive frequency-dependent selection
86. D) 22 Kb
87. C) Lambda att P- att B recombination
88. A) Prader- Villi Disease
89. D) Filter sterilization
90. C) Over expression of telomerase
91. D) 44A+ XO
92. A) Both 1 and 2 are correct
93. D) Plant interspecific hybrid
94. C) HPV infection predisposes the patient to cervical cancer
95. C) 166. 4
96.C) Average monthly salary will increase but, the SD will not change
97. C) Bias
98. C) A mere number without any unit
99. D) 1/16
100. D) Bayesian
