SSC Biology Previous year questions Set 12

111. What is the main purpose of white blood corpuscles? [SSC CGL Tier-I (CBE) 2016]
A. to carry nutrients
B. to combat infection
C. to carry oxygen
D. to give strength
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112. The sexual reproductive organs of aspergillus are : [SSC CGL Tier-I (CBE) 2016]
A. Spermatium and Oogonium
B. Antheridium and Oogonium
C. Spermatium and Ascogonium
D. Antheridium and Ascogonium
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113. The specific role of Vitamin K is in the synthesis of: [SSC CGL Tier-I (CBE) 2016]
A. Albumin
B. Antibodies
C. Globulin
D. Prothrombin
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114. The tree species most commonly used in social forestry is : [SSC CGL Tier-I (CBE) 2016]
A. Peepal
B. Gulmohar
C. Eucalyptus
D. Mango
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115. The liberation of oxygen during photosynthesis is due to: [SSC CGL Tier-I (CBE) 2016]
A.hydrolysis of carbohydrates
B.photolysis of water
C.reduction of CO2
D.breakdown of chlorophyll
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116. One of the best solutions to get rid of non-biodegradable waste is: [SSC CGL Tier-I (CBE) 2016]
A. Burning
B. Dumping
C. Burying
D. Recycling
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117. Increased RBC’s in the blood leads to a condition called [SSC CGL Tier-I (CBE) 2016]
A. Anemia
B. Haemophilia
C. Polycythemia
D. Leukaemia
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118. Male mosquitoes take their food from ____ [SSC CGL Tier-I (CBE) 2016]
A. human blood
B. standing water
C. sap of plants
D. dung and debris
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119. Siderosis is a disease caused by the inhalation of [SSC CGL Tier-I (CBE) 2016]
A.silica dust
B.iron dust
C.zinc dust
D.coal dust
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120. Which one of the following weeds is effective in controlling water pollution caused by industrial effluents? [SSC CGL Tier-I (CBE) 2016]
A. Parthenium
B. Elephant grass
C. Water hycinth
D. Mogar grass
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