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. |