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(Download) CBSE: Class XII Biology Question Paper - 2009 - (Foreign)
Class – XII (Year 2009)
Subject – Biology - (Foreign)
All Questions are compulsory.
Wherever necessary, the diagrams drawn should be neat and properly labelled.
Q.1 BOD of two samples of water A and B were 120 mg/L and 400 mg/L respectively. Which sample is more polluted ?
Q.2 Name the type of interaction seen between whale and the barnacles growing on its back.
Q.3 Which one of the following is used in apiculture: Hilsa, Apis indica, Sonalika