Introduction of semen of a high quality pedigree bull into the vagina of a healthy female cow by artifical means is called artifical insemination.Is this true or false?
What must be present in any population before selection, either artifical or natural that can bring about changes?
What do you understand by artifical respiration? When and why is it used?
What do you understand by artifical kidney? Name the principle on which it works?
In which device, a fine spray of water is used for separation of ammonia and sulphur dioxide?
What is the cause of acid rain ?
Why is artifical insemination considered best method for improving the cattle breed?
