Given below are two statements.
Statement I - Microspore is covered by two layered covering called sporoderm.
Statement II - Sporopollenin is not present in the region of germ pores in microspore.
In the light of above statements, Select the correct option given below:
Both statement I and statement II are correct.
Both statement I and statement II are incorrect.
Statement I is correct but statement II is incorrect.
Statement I is incorrect but statement II is correct.
The enzyme enterokinase helps in conversion of _________.
Protein into polypeptides
Trypsinogen into trypsin
Casein into coagulated milk protein
Pepsinogen into pepsin
In an operon, when repressor protein attaches to the operator then __________ .
the operator is switched on.
the structural genes are expressed.
the chemical inducer is synthesized.
the structural genes are not expressed.
Example of geographical isolation is __________
Darwin's finches
Mule
Australian Marsupials
Cichlid fishes
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