The first sign of life made its appearance on the earth about

Q. The first sign of life made its appearance on the earth about
  1 1 million years ago
  2 500 million years ago
  3 1 billion or 1000 million years ago
  4 3 billion years ago
    Ans:4 

Q. The most accepted theory of the origin of earth is the fiery origin which was propounded by
  1 Laplace
  2 Chamberlain
  3 James Jean
  4 Hoyle
    Ans:2 

Q. The theory that believes that the first living organism came from another planet is known as
  1 Catastrophic theory
  2 Special creation theory
  3 Organic evolution theory
  4 Cosmozoic theory
    Ans:4 

Q. The theory which advocates that living beings can arise only from other living beings is termed
  1 Bio-genesis
  2 Abiogenesis
  3 Catastrophism
  4 Cosmozoic
    Ans:1 

Q. The theory that cells arise from the preexisting cells was proposed by
  1 Nageli
  2 Virchow
  3 Schleiden
  4 Muller
    Ans:2 

Q. A bio-genesis was disproved by
  1 Spallanzani
  2 Muller
  3 Darwin
  4 Cuvier
    Ans:1 

Q. Spontaneous generation signifying the development of living organisms from nonliving has been termed
  1 Biogenesis
  2 Abiogenesis
  3 Cosmozoic
  4 Catastrophism
    Ans:2 

Q. The biologist who believed in the spontaneous creation of microorganisms was
  1 Leuwenhoek
  2 Needham
  3 Spallanzani
  4 Pasteur
    Ans:2 

Q. Who among the following has not championed the modern synthetic theory of organic evolution:
  1 Julian Huxley
  2 T. Dobzanski
  3 G.L. Stebbins
  4 De Vries
    Ans:4 

Q. Spontaneous creation of living matter was proposed by
  1 Darwin
  2 Anaximenes
  3 Democritus
  4 Hutchinson
    Ans:2