2. Which among the following is not an enzyme?
3. A cyclotron is __________________________.
[A]A magnetic particle
[B]A charged particle
[C]A particle accelerator
[D]A radioactive particle
4. A four chambered heart is found in which of the following?
[A]Mammals and birds
[C]Mammals and fish
[D]Mammals and amphibians
5. Which among the following is not a carnivorous plant?