UPTET 2011 Question Paper Level 1 (Classes I to V)

Section 4

ENVIRONMENTAL STUDIES

121. The example of an ecosystem is

• air
• pond
• water
• soil

122. Which is not a biotic factor ?

• Plants
• Animals
• Micro-organisms
• Rocks

123. Most plants are present in

• lithosphere
• hydrosphere
• atmosphere
• photosphere

124. Animals that feed on other dead animals are called

• parasites
• decomposers
• scavengers
• omnivores

125. CNG is the abbreviation of

• Clean natural gas
• compresses natural gas
• carbonised natural gas
• carburetted natural gas

126. Which of the following international organizations looks after environment protection over the world ?

• WWF
• WHO
• PETA
• UN

127. Too much use of insecticides will cause

• air pollution
• noise pollution
• water pollution
• all of these

128. A salt which absorbs water is called

• hygroscopic salt
• anhydrous salt
• hydrophilic salt
• hydrophobic salt

129. The term used for the conservation of ecosystems and natural habitats and the maintenance and recovery of viable populations of species in their natural surroundings is

• Core conservation
• In sittu conservation
• Ex sittu conservation
• Peripheral conservation

130. Sea turtles are called living fossils for they have been on the earth in their present form for over 150 million years. Of the five species of sea turtles found in the waters of the Indian subcontinent, which is the most populous species ?

• Keneps Ridley
• Loggerhead
• Olive Ridley
• Flatback

131. Which of the following leads to global warming ?

• Water Pollution
• Soil Pollution
• Air Pollution
• Noise Pollution

132. Oceans cover most of the earth’s surface, which is approximately

• 3/4
• 1/2
• 1/4
• 2/3

133. Stalactites and stalagmites consist of deposits of

• silica
• magnesium carbonate
• calctum carbonate
• sodium carbonate

134. Which of the following is an example of air pollution ?

• Smoke and fog
• Exhaust gas from card
• Gases from burning wood or charcoal
• all of these

135. The law to prevent pollution in India and many other countries prevents the use of

• paper bags
• plastic bags
• nylon bags
• leather bags

136. Which of the following causes global warming ?

• Gases from cars
• Gases from trees
• Hot air from oven
• Cooking gas

137. What are metal bearing rocks called ?

• Bitumen
• Bauxite
• Metalloids
• Ores

138. Trees reduce pollution because they absorb

• sulphur dioxide
• carbon dioxide
• carbon monoxide
• nitrogen

139. Earthquakes are measured in

• Beaufort scale
• decibel
• newton
• Richter scale

140. Rise in water level in oceans is due to

• melting of ice in polar region
• excess rainfall
• acid rain
• none of these

141. The percentage of oxygen present in air is approximately

• 44%
• 23%
• 40%
• 21%

142. Which is the absolute temperature scale ?

• Celsius
• Fahrenheit
• Kelvin
• All of these

143. Photosynthesis is carried out by

• all plants
• all animals and plants
• all green plants
• viruses

144. Noise or noise pollution is measured in

phon
deci
decibel
decimel

145. Which of the following is harmful for environment ?

• Paper
• Clothes
• Metal
• Plastic

146. The most harmful sulphur containing gas in the atmosphere is

• S
• H2S
• SF6
• SO2

147. Air pollution is reduced by

• trees
• fishes
• animals
• sunlight

148. Worl Environment Day is celebrated on

• 5th November
• 5th January
• 5th June
• 5th September

149. Which layer protects earth from harmful rays of the sun ?

• Ionosphere
• Ozone layer
• Troposphere
• Magnetosphere

150. Flora and fauna of place indicate

• plants and animals
• fishes and plants
• animals and fishes
• birds and plants