NEW! CBSE 2020 Sample Papers : Class-X, Class-XII
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All Questions are compulsory.
Wherever necessary, the diagrams drawn should be neat and
Q.1 Why hnRNA is required to undergo splicing ?
Q.2 How does colostrum provide initial protection against
diseases to new born infants ?
Q.3 Name the group of organisms and the substrate they
act on to produce biogas.
NEW! Sample Papers Books : Class-X, Class-XII
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