Pasteur succeeded in disproving the spontaneous generation theory because
He was lucky
He was ingenious in drawing out the neck of the glass flasks so as to provide access to air but not to the micro-organism
Of the fact that the sample of yeast taken by him was dead
Of the clean surroundings of his laboratory
Identify the vestigial organ in the given figure
Which of the following amino acids was not found to be synthesized in Millers’s experiment ?
Which of the following had huge fearsome dagger like teeth?
Most primitive living mammals which provide an evidence of organic evolution from geographical distribution are found in
A scientist who worked on rats cut their tails upto $21$ successive generations but at last he found that tail remained normal. By this experiment theory of which scientist is disapproved