General Studies 2012 free model test 2- Part 3
51.A: In the rainy season wet clothes when not dried properly start stinking.
R: Many living species release their spores and fertilized eggs into the environment before the monsoons waiting for a ripe opportunity.
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true and R is false.
d) A is false and R is true.
Answer: b
52. In humans, the regulation of food intake is controlled by the “feeding centre” and “satiety centre” present in the hypothalamus. Which factors influence this regulation?
a) Body weight
b) Amount of food present in the gut and amount of glucose in the blood
c) body temperature
d) all the above
Answer: d
52. A drug named Sodium Thiopental was in the news recently for its use as:
a) Barbiturate
b) Anaesthetic
c) Lethal Injection by the US
d) Medically inducing Coma.
Answer: c
53. Select the incorrect statement regarding Tears production in our eyes.
a) The Tear glands secretion keeps the complete anterior part of the eye moist when blinking.
b) Staring pushes the excess tears into the tear ducts situated at the inner part of the eye lids.
c) Approximately .6 to 1.1 microlitres of tears are secreted per minute
d) As blinking decreases when we stare, it leads to greater secretion of tears as eyes have become dry which causes irritation.
Answer: b
54. The Helicobacter Pylori bacteria’s presence is now recently linked to elevated levels of HbA1C (a biomarker for blood glucose). Select the incorrect statement regarding H.Pylori.
a) It lives in the mucus lining of the stomach and is typically acquired before the age of 10.
b) It contributes to the development of stomach ulcer and stomach cancer.
c) About 80% of infected individuals are asymptomatic and nearly half of world’s population are infected.
d) None.
Answer: d
55. “Suaineadh” is:
a) It is a missile that is newly developed by the Arab world.
b) It is a genetically modified crop developed by Swedish – German venture.
c) It is a nano spacecraft to develop an innovative space web.
d) It is the new moon of Saturn that was recently photographed by Cassini.
Answer: c
56. Select the incorrect statement regarding “Nisin” – a food preservative.
a) It is a fermentation product of a food grade bacterium .
b) It has a broad spectrum antibacterial activity.
c) It could also act as a treatment for bovine mastitis
d) All the above
Answer: d
57. One of the culprits that is identified to cause baldness in men is:
a) Defect in Chromosome Number 15.
b) Increased levels of the protein Prostaglandin D2 ie., PGD2.
c) Increased levels of the protein Prostaglandin E2 ie., PGE2.
d) All the above
Answer: b
58. Planet Saturn’s second largest moon’s images were captured recently by Cassini and the moon is:
a) Titan
b) Rhea
c) Lapetus
d) Tethys
Answer: b
59. A: Women are better equipped to survive in outer space.
R: Women adapt better than men to heat, radiations etc.
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true and R is false.
d) A is false and R is true.
Answer: a
60. Tobacco consumption is toxic to humans as it contains:
a) Formaldehyde which is used to embalm dead bodies and Toluene which is found in paint thinners.
b) Polonium 210 which is radioactive and toxic and Vinyl Chloride which is used to make pipes.
c) Arsenic which is used in pesticides and Ammonia which is used in household cleaners.
d) All the above
Answer: d
61. Does the “Igloos” protect Eskimos from the severe cold?
a) The snow house acts as an excellent conductor of the cold.
b) The snow house acts as an excellent insulator trapping the body heat
c) An unoccupied igloo does not protect from cold like earlier as the snow melts away.
d) If the temperature is roughly -30 degrees outside, it is only reduced to -25 degrees inside the igloo thus it is not very effective.
Answer: b
62. If Microalbuminuria protein is detected in Urine test – it is an indication of;
a) Diabetic Kidney Disease
b) Uremia
c) Marasmus
d) Kidney stone
Answer: a
63. Identify the correct statement regarding genes.
a) Genes situated very near on a chromosome have greater chances for recombination.
b) When mutation occurs in Somatic cells – it is heritable.
c) When mutation takes place in Germ cells – it is not heritable.
d) The different colours of Corn (red,yellow or a mix) is because of the Jumping genes.
Answer: d
64. The DNA sequences are nearly completely the same in which of the following cases.
a) Monozygotic twins
b) Dizygotic twins
c) Fraternal twins
d) Sororal twins
Answer: a
65. Which statement is incorrect regarding respiration in living beings?
a) It is the conversion of Pyruvic acid which plays a key role in determining the amount of energy that is generated.
b) The Inspiratory Reserve Volume and the Expiratory Reserve Volume always needs to be the same for a healthy respiration.
c) The greater presence of CO2 in the environment activates the respiratory centre in the medulla oblongata.
d) Even if a plant is bulkier, respiration is not difficult as each plant part takes care of its gaseous needs
Answer: b
66. Which of the following Phytohormones induce the phenomenon of “Apical Dominance”?
a) Ethylene
b) Cytokinins
c) Auxins
d) Gibberlins
Answer: c
67. What are Climacteric fruits?
a) Fruits that can develop only in a particular climate.
b) Fruits that have high respiration rate during ripening.
c) Fruits that are seasonal but are grown throughout the year by spraying hormones on them.
d) Fruits that stays for long on the trees.
Answer: b
68. Which of the following phenomenon takes place in a unripe fruit that is plucked?
a) Ethylene is released which catalyses the ripening process.
b) Chlorophyll is broken down.
c) New pigments are formed.
d) All the above.
Answer: d
69. Heat supplied to ice at 0 degree Celsius is used to change it into water without increasing its temperature. In connection with this statement which of the following is true?
a) It shows that only the Potential Energy increases but the Kinetic Energy does not increase.
b) It shows that only the Kinetic Energy increases but the Potential Energy does not increase.
c) shows that both the Potential and Kinetic Energy increases.
d) There is no change in either the Potential or the Kinetic Energy.
Answer: a
70. Which of the following fuels burns without smoke?
a) Coal
b) Petroleum
c) Biogas
d) Biomass
Answer: c
71. In the following Refraction phenomena, which one would show an extra image which will also be an inverted image.
a) Mirage
b) Looming
c) Towering
d) Sinking
Answer: a
72. Match the following lists.
Eye defects Corrective Lenses
A) Myopia 1. Cylindrical lens
B) Hypermetropia 2. Bifocal lens
C) Presbyopia 3. Concave lens
D) Astigmatism 4. Convex lens
a) 4,3,2,1
b) 1,2,4,3
c)3,4,2,1
d) 2,1,4,3
Answer: c
73. Artificial rain – Select the incorrect statement.
a) Seeding of clouds requires that they contain supercooled liquid water—that is, liquid water colder than zero degrees Celsius.
b) The most common chemicals used for cloud seeding include silver iodide and dry ice (solid carbon dioxide) rather than salt.
c) Use of Non absorptive materials are better preferred for seeding
d) None
Answer: c
74. Select the incorrect statement regarding Neutrinos.
a) They are similar to electrons but do not carry any electric charge.
b) They are similar to electrons but do carry an electric charge.
c) They are affected by electromagnetic forces.
d) It’s existence was predicted by Pauli and later confirmed by Fermi well in 1934.
Answer: a
75. Which of the following bacteria is used in the process called “Fibre retting” to make ropes and sacks?
a) Escherichia Coli
b) Clostridium Butyclicum
c) Lactobacillus
d) All the above
Answer: b
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