MCQ
Choose the right one among the statements given below:
- A$IUDs$ are generally inserted by the user herself
- ✓$IUDs$ increase phagocytosis reaction in the uterus
- C$IUDs$ suppress gametogenesis
- D$IUDs$ once inserted need not be replaced
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Statement $I:$ $RNA$ mutates at a faster rate.
Statement $II$: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.
