Given below are two statements :

Given below are two statements :
Statement I: Cell wall is freely permeable.
Statement II: Plasma membrane is selectively permeable.
Choose the correct answer from the options given below with
reference to the structure of root hair.
A Statement I is incorrect but Statement II is correct
B Both Statement I and Statement II are correct
C Both Statement I and Statement II are incorrect
D Statement I is correct but Statement II is incorrect
Ans. B
Ques 4. Who discovered DNA?
Ans. F. Miesher
Ques 5. which of the following is not present in RNA
Ans. Thymine