Choose the correct option :- Q: Who is known as father of Zoology

A) Darwin
B) Aristotle
C) Lamark
D) Theophrastus

Q: The corner of the cells of collenchyma tissue in plant are thickened due to deposition of

A) Lignin and suberin
B) Suberin and cutin
C) Cellulose and pectin
D) Chitin and lignin
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Q1.

B) Aristotle

Q2.

C) Cellulose and pectin

Q:

Aristotle

Q:

cellulose and pectin

B. second site suppressing mutation

Explanation:

The second site of the repression mutation as 96 percent showed the small colonies that tells the growth was not the good as the agar that allowed the growth of the only wild type of strains. So it was not a true reversion to a wild type.

And because the small colony is visible, it means that there are some growth which means that some of the strains tried to turn back in the wild type.