TRUE / FALSE

Question 11 Mark

The theory of Inheritance of acquired characters was proposed by Watson and Crick.

Answer

false, the theory of Inheritance of Acquired characters was proposed by Lamarck.

Question 21 Mark

Natural selection is the only cause of evolution.

Answer

false, Natural selection is the main cause of evolution but not the only cause of evolution.

Question 31 Mark

Darwin explained the inheritance of vestigial organs.

Answer

false, Darwin could not explain the inheritance of the vestigial organs.

Question 41 Mark

The traits acquired by the organism during his lifetime due to changes in environmental conditions are called acquired traits.

Answer

true

Question 51 Mark

Lamarck published his principles in the book called 'The Origin of species'.

Answer

false, Lamarck published his principles in the book called 'Philosophic Zoologique'.

Question 61 Mark

Vestigial organs are not present in the human body as they are highly advanced.

Answer

false, vestigial organs may or may not be present in the human body but they are non-functional.

Question 71 Mark

Homo sapiens is the only living hominid for human ancestry.

Answer

true

Question 81 Mark

Humans and the great apes of Africa, that is, chimpanzees and gorillas, share a common ancestor.

Answer

true

Biology TRUE / FALSE