Questions of biology?

1) Which of the following statements is FALSE?


A) Mutations are random changes in genetic material.


B) Sexual recombination increases variation.


C) Mutation is the ultimate source of all genetic variation.


D) Natural selection works on variation already present in a population.


E) Bacteria develop antibiotic resistance as a response to exposure to antibiotics.





2) Which of the following is NOT a requirement of natural selection?


A) overproduction of offspring


B) genetic variation


C) differential reproductive success


D) inheritance


E) catastrophic events





3) On what basis are populations assigned to the same biological species?


A) a very similar appearance


B) they can interbreed and produce fertile offspring


C) having 99% of their genes in common


D) sharing a common ancestor


E) relating to the environment in the same way

Questions of biology?
Gee flower you could have found the answer yourself in the time it has taken you to list all the details.





I do not give answers to questions such as this as it would mean my doing your homework and to be honest I would prefer my GP, nurse or consultant to have studied well and researched their own answers before they qualify. I would hate to think that such persons study consisted of yahoo Q%26amp;A - no wonder the country is going to the dogs.
Reply:1. C


2. E


3. B
Reply:1) E


2) I am pretty sure E again but it might be A


3) B pretty sure about this one too.