Q1. The process of taking food into the digestive system is........? (RRB SSNE 2015)

A. Digestion
B. Ingestion
C. Propulsion
D. Elimination

Answer is B)
1) Ingestion:- Taking food into the digestive system 2) Digestion:- Chemical and mechanical process making food easier to digest and absorb nutrients in the blood 3) Propulsion:- it is a mechanical process to move food forward via peristaltic contraction 4) Elimination:- Removal and control of waste Products and by-products of various chemical processes.