To which group of organisms do Viruses belong?

Q. To which group of organisms do Viruses belong?
  1 Actinomycetes
  2 Cyanobacteria
  3 Protozoa
  4 None of these
  Ans:4
Q. Which is regarded as a link between the living and the non-living?
  1 Amoeba
  2 Virus
  3 Bacteria
  4 RNA
  Ans:2
Q. The vestiges of hind limbs are present in
  1 Cobra
  2 Sea snake
  3 Krait
  4 Python
  Ans:4
Q. Vestigeal organs are those which are
  1 Fully formed and functional
  2 Much reduced but functional
  3 Much reduced and functionless
  4 Fully formed but functionless
  Ans:3
Q. The limbs of different mammals have evolved form a basic
  1 Pentadactyl plan
  2 Hexadactyl plan
  3 Bidactyl plan
  4 Adactyl
  Ans:1
Q. The organisms that live inside alimentary canal are
  1 Symbionts
  2 Autotrophs
  3 Heterotrophs
  4 Saprotrophs
  Ans:1
Q. The most primitive mammals are
  1 Carnivorous
  2 Herbivorous
  3 Omnivorous
  4 Insectivorous
  Ans:4
Q. Seymouria represents the transitional stage between
  1 Amphibians and reptiles
  2 Pisces and amphibians
  3 Reptiles and mammals
  4 Birds and mammals
  Ans:1
Q. The golden age of Dinosaurs was
  1 Palaeozoic
  2 Coenozoic
  3 Mesozoic
  4 Proterozoic
  Ans:3
Q. The oldest era is
  1 Palaeozoic
  2 Mesozoic
  3 Coenozoic
  4 Proterozoic
  Ans:4