(4) Mathematics (Q. No. 91-120)
111. A circular park has a path of uniform width around it. The difference between outer and inner circumference of the circular path is 132m. Its width is
(a) 20m
(b) 21m
(c) 22 m
(d) 24 m
Answer – a
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112. A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out ?
(a) 32m3
(b) 36m
(c) 40m3
(d) 44m3
Answer – d
113. How many times in a day, the hands of a clock are straight ?
(a) 22
(b) 24
(c) 44
(d) 48
Answer – c
115. Directions : Find out the wrong number in the series :-
6, 12, 48, 100, 384, 768, 3072
(a) 768
(b) 384
(c) 100
(d) 48
(e) 12
Answer – e
116. The administration of a teaching unit involves
(a) Introduction
(b) Presentation
(c) Evaluation
(d) All of these
Answer – d
117. An ideal lesson plan is
(a) Objective based
(b) Based on Previous Knowledge
(c) Based on Teaching Levels
(d) All of the above
Answer – d
118. Characteristics of good questions are :-
(a) Realisation of aims
(b) thought provoking
(c) brief and direct
(d) All of the above
Answer – d
119. What is a basis of teaching method?
(a) Objectives
(b) Content
(c) Both ‘A’ and B’
(d) None of these
Answer – b
120. The most effective teaching aid :-
(a) Non- projected
(b) Direct experience
(c) Projected
(d) None of these
ANSWER:A
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(5) Environmental Studies (Q. No. 121-150)
121. “Ozone Hole’ is a ______ .
(a) Hole in the atmosphere
(b) Destruction of ozone layer
(c) Hole i the hydrosphere
(d) Hole in the troposphere
Answer – b
122. Euro II standard refers to _______ .
(a) Lowering sulfur content in fuel
(b) Increasing sulfur content in fuel
(c) Lowering carbon content in fuel
(d) increasing carbon content in fuel.
Answer – a
123. Noise is _________ .
(a) Huge sound
(b) Sound of vehicles
(c) Undesirable and unwanted sound
(d) Sound of crackers
Answer – c
124. What is temporary Threshold Shift?
(a) Hearing loss due to excessive noise
(b) Noise that is intolerable
(c) Tolerable noise
(d) Inaudible noise
Answer – c
125. Acid is an example of ________ .
(a) Corrosive waste
(b) Infectious waste
(c) Radioactive waste
(d) Ignitable waste
Answer – a
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126. Any unfavourable alternation of the environment may be called as
(a) eutrophication
(b) environmental pollution
(c) biomagnification
(d) bioaccumulation
Answer – b
127. The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called.
(a) air pollution
(b) water pollution
(c) soil pollution
(d) radioactive pollution
Answer – a
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128. The historical monument that is affected by acid rain is
(a) Taj Mahal
(b) Pyramid of Egypt
(c) Pisa Tower
(d) Golden Temple
Answer – a
129. Acid rain contains
(a) Sulphuric acid
(b) Hydrochloric acid
(c) Oxalic acid
(d) Acetic acid
Answer – a
130. Organ affected by pneumonia
(a) Liver
(b) Kidney
(c) Heart
(d) Lungs
ANSWER:D
(5) Environmental Studies (Q. No. 121-150)
131. Name the disease caused by mercury polsoning in Japan.
(a) Ital Itai
(b) Xeroderma pigmentosum
(c) Measles
(d) Minamata disease
Answer – d
132. The place where the worst nuclear disaster took place?
(a) Washington
(b) Chernobyl
(c) Bhopal
(d) Japan
Answer – b
133. Torrey canyon is famous for
(a) Gulf of War
(b) Industries
(c) Electric Potential
(d) Oil spillage
Answer – d
134. Aquatic life is damaged by
(a) Sound pollution
(b) Air Pollution
(c) Thermal Pollution
(d) All of these
Answer – c
135. Minamata disease is caused by
(a) Air pollution
(b) Water Pollution
(c) Marine Pollution
(d) All of these
Answer – b
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136. Acid rain mainly results from
(a) Sulfur dioxide
(b) Carbon dioxide
(c) Carbon monoxide
(d) Ammonia
Answer – a
137. Ozone depletion is mostly caused by
(a) Co2
(b) CCl
(c) CFCs
(d) CO
Answer – c
138. BOD of a river water is found very high. This means water
(a) is clear
(b) is highly polluted
(c) contains Algae
(d) contains many dissolved minerals
Answer – b
139. Global warming is caused by
(a) GHGs
(b) CFCs
(c) CH4
(d) NO2
Answer – a
140. The darkening of the skin due to Arsenic poisoning is called
(a) Black syndrome
(b) Diffuse melanosis
(c) Skin scaling
(d) None of these
ANSWER:A
(5) Environmental Studies (Q. No. 121-150)
141. Boron, Zinc and Manganese are usually referred to as
(a) Micronutrients
(b) Macronutrients
(c) Soil Vitamins
(d) MBZ nutrients
Answer – a
142. Incineration of Municipal waste involves
(a) Oxidation
(b) Deduction
(c) Redox action
(d) Distintegration
Answer – a
143. The famous Minamata disease in Japan is due to the accumulation of _______ in fishes.
(a) Cadmium
(b) Mercury
(c) Zinc
(d) Lead
Answer – b
144. Soil pollution is caused by
(a) Aerosol
(b) Ozone
(c) Acid rain
(d) PAN
Answer – b
145. Green House effect is caused by
(a) Increase in CO2
(b) Increase in O2
(c) Decrease in O2
(d) Decrease in CO2
Answer – c
146. _____ is the poisonous gas leaked during Bhopal Gas Tragedy.
(a) MIC
(b) PVC
(c) Teflon
(d) Hydrogen Sulphide
Answer – a
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147. The term ‘ Nuclear Winter’ is associated with
(a) Nuclear War
(b) Nuclear disarmament
(c) Nuclear Weapon testing
(d) After effect of a nuclear explosion
Answer – d
148. The phenomenon of accumulation of nonbiodegradable pesticides in human beings.
(a) Biomagnification
(b) Bioaccumulation
(c) Biodegradation
(d) Bioremediation
Answer – a
149. Example of a physical pollutant
(a) Water
(b) Air
(c) Radiation
(d) Plant
Answer – c
150. DDT is a ______ pollutant.
(a) Biodegradable
(b) Non biodegradable
(c) Un- biodegradable
(d) Naturally degradable
Answer – b
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