(I) Actually, meet or intersect with each other. (II) Actually, converge at a point. (III) Appear to meet when they are produced in the backward direction. (IV) Appear to diverge from a point.

If salivary amylase is lacking in the saliva, the process of starch digestion will get disturb as salivary amylase helps in digestion of starch.

Simply, try to understand, when the oxygenated blood passes through the capillaries of the tissue, it gives oxygen to the body cells and takes carbon dioxide, produced during cellular respiration. Thus, it becomes richer in carbon dioxide.

Class 10th Science Session 2022-23 Class X Science MCQ Extra Questions Answers Class 10 Science Terminal Exams MCQ Solutions 10th Science Terminal Exam Based MCQ Extra Questions

Ions of zinc are positively charged, thus while electrolytic refining of zinc, zinc is deposited at cathode (negatively charged pole).