OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What did Louis Pasteur and others do?
A
They discovered cells
B
They proved that protoplasm is alive when its chemical reaction are running properly not because of “vital force”
C
They discovered animals do not have cell walls
D
None of the above
Explanation: 

Detailed explanation-1: -Pasteur’s experiment showed that microbes cannot arise from nonliving materials under the conditions that existed on Earth during his lifetime. But his experiment did not prove that spontaneous generation never occurred. Eons ago, conditions on Earth and in the atmosphere above it were vastly different.

Detailed explanation-2: -Louis Pasteur first demonstrated that life comes only from pre-existing life. He showed that in pre-sterilized flasks, life did not come from killed yeast while in another flask open to air, new living organisms arose from ‘killed yeast’.

There is 1 question to complete.