Answer:
The presence of starch in leaves is testing with the Iodine test.
Explanation:
First, chlorophyll is removed from the leaf by boiling it in alcohol.
Then, two drops of iodine solution are put onto the leaf.
If the colour changes to blue, it indicates the presence of starch.
If it does not, there is no starch.
I hope this helps!
-Bella
<em>BrainlyBluebell</em>
Answer:
Option (C)
Explanation:
Blood smears usually refers to the blood test that is being conducted in order to determine if there is any abnormality or irregularity in the blood cells. This test is conducted in the laboratories by using the slides.
After the test is done, these slides of blood smears are usually disposed of according to the instruction given by the teachers. It is because these slides have sharp edges and must be carefully handled. It can cause cut in the fingers and as these slides are comprised of infectious substances, it can affect other individuals, causing various types of diseases.
Thus, they must not be disposed of here and there, rather they should be disposed of according to the teacher's instruction.
Hence, the correct answer is option (C).
I think the answer is 9.69892×10^7
