A. Bacteria
B. Fungi
C. Algae
D. Bryophyte
Answer –B. Fungi
Explanation-
52.Ozone protects biosphere from [SSC CGL Tier-I (CBE) 2016]
A. X–rays
B. Gamma rays
C. Ultraviolet rays
D. Infrared rays
Answer –C. Ultraviolet rays
Explanation-
53.Ornithophily is effected by___ [SSC CGL Tier-I (CBE) 2016]
A. snails
B. bats
C. insects
D. birds
Answer –D. birds
Explanation-
54.Which of the following vitamins contain nitrogen?[SSC CGL Tier-I (CBE) 2016]
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer –B. Vitamin B
Explanation-
55.Which is used as an Air pollution indicator?[SSC CGL Tier-I (CBE) 2016]
A. Algae
B. Fungi
C. Bacteria
D. Lichens
Answer –D. Lichens
Explanation-
56. If waste materials contaminate the source of drinking water, which of the following diseases will spread? [SSC CGL Tier-I (CBE) 2016]
A. Scurvy
B. Typhoid
C. Malaria
D. Anaemia
Answer –B. Typhoid
Explanation-
57.The chemical component that is invariably found in all viruses is :[SSC CGL Tier-I (CBE) 2016]
A. proteins
B. lipids
C. DNA
D. RNA
Answer –A. proteins
Explanation-
58. Which of the following is the treatment of water pollution? [SSC CGL Tier-I (CBE) 2016]
A. Bag house filter
B. Windrow composting
C. Venturi scrubber
D. Reverse Osmosis
Answer –D. Reverse Osmosis
Explanation-
59. Which enzyme digests proteins in the stomach? [SSC CGL Tier-I (CBE) 2016]
A. Trypsin
B. Pepsin
C. Salivary amylase
D. Pancreatic canal
Answer –B. Pepsin
Explanation-
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