Why is sulfuric acid needed in some seed germination? What ...

[newbem]

Why is sulfuric acid needed in some seed germination?
 
  What will be an ideal response?

Question 2

The reason(s) herbicides are sometimes ineffective is(are) _____.
 
  A) use of the wrong herbicide
  B) inaccurate weed identification
  C) poor timing of applications
  D) all of the above

[huda]

Answer to Question 1

Some seed coats are very hard, and water cannot penetrate to the endosperm. In these cases, it is
necessary to scarify the seed. A common way to scarify seed is to nick the seed coat with a knife or a
file. Another method is to soak the seeds in concentrated sulfuric acid.

Answer to Question 2

D

[newbem]

Thanks for the timely response, appreciate it

[kjohnson]

Gracias!