Which one of the following statements explains higher mutation rate and faster evolution found in RNA virus?

Which one of the following statements about variations is not true ?

Which one of the following statement is not correct?

In a sexually reproducing organism, which one of the following statements is appropriate both for the parent and offspring?

With reference to the recent developments in science, which one of the following statements is not correct?

From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?