Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.

Only variations that confer an advantage to individual organism will survive in a population. Do you agree with this statement ? Why or why not ?

Kurthi said sqrt2 can be written (sqrt2)/(1) which is in (p)/(q) form. So sqrt2 is a rational number. Do you agree with her argument?

The number and kinds of organism is not constant. How do you explain this statement ?

What is the commercial source of cork? How is it formed in the plant?

Rajni says 1 sq.m = 100^(2) sq.cm. Do you agree? Explain.

How a refined theory is formed in physics ? Explain with example.