Answer:
Tube B
Tube D
Explanation:
Test B contained extracts of potato. The peels of potato contains starch. When the solution is introduced with potato peels the color changes from blue to black. This indicates that test tube B contains starch. In test tube D iodine test is conducted to identify the presence of starch in natural minerals.
What is the essay’s theme?
Answer:
The correct answer is, X: Roundworms ; Y: Flatworms.
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