UKPSC Assistant Conservator of Forest (ACF) Pre Exam – 2019 in English (Answer Key)

Q81. Name the chemical substance present in the bones and teeth.
(a) Calcium Sulphate
(b) Calcium Phosphate
(c) Calcium Chloride
(d) Calcium Borate
[showhide type=”links81″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q82. Which of the following is not a natural polymer ?
(a) Silk
(b) Cellulose
(c) Rubber
(d) Plastic
[showhide type=”links82″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (D) [/showhide]
Q83. Fluoride pollution mainly affects to
(a) Kidney
(b) Teeth
(c) Eyes
(d) Nervous System
[showhide type=”links83″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q84.  For evolutionary success mutation must occur in
(a) Somatic R.N.A.
(b) Somatic D.N.A.
(c) Germ plasm R.N.A.
(d) Germ plasm D.N.A.
[showhide type=”links84″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (*) [/showhide]
Q85. The title of the book written by Marx and Engels, on the Revolt of 1857 is
(a) The First Indian War of Independence
(b) Revolt of 1857
(c) First War of Independence
(d) 1857
[showhide type=”links85″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (*) [/showhide]
Q86. At whose demise did Mahatma Gandhi say ‘A star from Indian Solar System has eclipsed’?
(a) Bal Gangadhar Tilak
(b) Lala Lajpat Rai
(c) Gopal Krishna Gokhale
(d) Mahadeva Govind Ranadey
[showhide type=”links86″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q87. By what name is the point of origin of earthquake known?
(a) Focus
(b) Epicentre
(C) Generation point
(d) Earthquake point
[showhide type=”links87″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q88.  In curd, which bacteria are found in abundance ?
(a) Salmonella sps.
(b) Lactobacillus sps.
(c) E. coli
(d) All of these
[showhide type=”links88″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q89. Formation of hole in Ozone layer is maximum over which place
(a) India
(b) Africa
(c) Europe
(d) Antartica
[showhide type=”links89″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (D) [/showhide]
Q90. Which of the following gas is considered responsible for damage to the Taj Mahal at Agra ?
(a) Sulphur dioxide
(b) Chlorine
(c) Fluorine
(d) Carbon fluoride
[showhide type=”links90″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (A) [/showhide]
Q91. The main cause of algal blooming in an aquatic ecosystem is
(a) Global warming
(b) Salination
(c) Eutrophication
(d) Bio-magnification
[showhide type=”links91″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (C) [/showhide]
Q92. Which of the following atmospheric layers is nearest to the earth?
(a) Troposphere
(b) Exosphere
(c) Stratosphere
(d) Thermosphere
[showhide type=”links92″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (A) [/showhide]
Q93.  Which of the following gas leaked during Bhopal gas tragedy?
(a) Methyl isocyanide
(b) Methyl isocyanate
(c) Ethyl isocyanide
(d) Ethyl isocyanate
[showhide type=”links93″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q94. Which scientist used the term ‘Ecology’- for the first time?
(a) Charles Elton
(b) Arthur Tansley
(c) Eugene Odum
(d) Ernst Haeckel
[showhide type=”links94″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]
Q95. The maximum numbers of individuals that can be sustained in a given environment, is termed:
(a) Carrying Capacity
(b) Biotic Potential
(c) Environmental Resistance
(d) Population Size
[showhide type=”links95″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (*) [/showhide]
Q96. pH of normal rain water is about
(a) 2.6
(b) 3.0
(c)5.6
(d) 9.3
[showhide type=”links96″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (C) [/showhide]
Q97. Working of a solar cell is based on which one of the following?
(a) Laser Technology
(b) Tyndall effect
(c) Thermal Emission
(d) None of these
[showhide type=”links97″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (C) [/showhide]
Q98. Name that component of diet which is assimilated as such.
(a) Fats
(b) Proteins
(c) Carbohydrates
(d) Vitamin
[showhide type=”links98″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (C) [/showhide]
Q99.  The first transgenic plant produced was
(a) Maize.
(b) Rice
(c) Tobacco
(d) Cotton
[showhide type=”links99″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (C) [/showhide]
Q100. Which of the following causes Polio disease ?
(a) Bacteria
(b) Virus.
(c) Fungus
(d) Parasite
[showhide type=”links100″ more_text=”Show Answer ” less_text=”Hide Answer “] Answer: (B) [/showhide]