PDF chapter test TRY NOW

In the given exercise, an Assertion is followed by the corresponding Reason. Choose the correct answer from the given options:
  
1.
Assertion:Chromosomes are folds of chromatin fibres packed with DNA and proteins that form the genetic material.
Reason:Genes are segments of RNA and is the fundamental unit of heredity.
 
2.
Assertion:Every cell's telomeres act as an ageing clock.
Reason:Telomeres are protective nucleotide sequences that are present at the ends of chromosome and it gets shorter as cell divides.