Biogeography - GK Questions and Answers for competitive exams on Geography | page-17

81 How many physical states of water are there ?
A one
B Two
C Three
D Four

Answer: Option [C]
82 Which one of the following is one of the primary producers ?
A Diaforms
B Catfish
C Insects
D Snails

Answer: Option [A]
83 How much area of the earth is covered by the aquatic ecosystems ?
A 50%
B 71%
C 75%
D 92%

Answer: Option [B]
84 Where is the Prairie grass found ?
A North America
B Sub-Saharan Africa
C Northern Eurasia
D South America

Answer: Option [A]
85 Which one of the following is the permissible noise level of silence zones in India at India ?
A 60 dB
B 55 dB
C 50 dB
D 45 dB

Answer: Option [D]

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