Assertion (A) : Flagella is essential to seek out a nutritionally more favorable enviroment.
Reason (R ) : When E-coli are cultured in medium rich in glucose they lack flagella when grown in nutritionally poor medium they possess flagella.

Options

A. Both (A) and (R ) is correct
B. Both (A) and (R ) are wrong
C. (A) is correct and (R ) is wrong
D. (R ) is correct and (A ) is wrong

Answer

A