Biogeography - GK Questions and Answers for competitive exams on Geography | page-12

56 Which one of the following derives energy only from Trophic level I ?
A Herbivores
B Carnivores
C Detritivores
D Omnivores

Answer: Option [A]
57 The extremely acidic soils have a PH value of
A 4-8
B 4- 4.5
C 4.5- 5
D 5- 5.5

Answer: Option [B]
58 Which one of the following is a greenhouse gas ?
A Methane
B Nitrogen
C Hydrogen
D None of the above

Answer: Option [A]
59 Which one of the following is known as closed savanna ?
A Tree savanna
B Grass savanna
C Shrub savanna
D Woodland savanna

Answer: Option [D]
60 Which one of the following is the permissible noise level of industrial areas in India during day time ?
A 45dB
B 65dB
C 75 dB
D 90 dB

Answer: Option [C]

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