True or False : The decaying process of C-12 occurs continuously from the dead remains of living organisms.
Answer
False. (The decaying process of C-14 occurs continuously from the dead remains of living organisms. C-12 is not radioactive and hence it does not show decaying process.)
True or False : Ostwald Avery, Mclyn McCarthy and Colin Macleod proposed a model for process of protein synthesis with the help of DNA in bacterial cells
Answer
False French geneticists - Francois Jacob and Jack Monad proposed a model for process of protein synthesis with the help of DNA in bacterial cells.
True or False : It takes thousands of years for a useful structure to disappear.
Answer
False. (The useful structures of the body do not disappear. The functioning of the body is easier due to such organs. It takes thousands of years for a functionless organ to disappear.)
True or False : It seems that invertebrates have been slowly originated from vertebrates.
Answer
False. (Vertebrates have been slowly originated from invertebrates in course of evolution. The primitive type of organisms always give rise to complex life forms. The invertebrates from Palaeozoic era gradually gave rise to vertebrates.)
True or False : Industrial society was established about 200 years ago.
Answer
True. (After the development and specialization of human brain, he started indulging in science and technology. Before; this period the idea of industrialization was not existing.)
True or False : Changes acquired during life time are transferred to next generation.
Answer
False. (Changes acquired during life time are not heritable. They are not transferred to next generation. Only the genes are transferred to the next generation.)