Coordination in Life Processes — Important Questions
Telangana Board · Class 10 · Biology
43 important questions from Coordination in Life Processes for Telangana Board Class 10 Biology, with answers. Written for the board exams 2027.
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Important Questions from Coordination in Life Processes
Which systems are involved in the process of generating hunger sensation?
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Digestive system, Nervous system, Circulatory system, Endocrine system
Hunger involves the digestive system (stomach), nervous system (brain signals), circulatory system (blood glucose levels), and endocrine system (hormone secretion). Respiratory system is not directly involved.
Which processes are involved in the breakdown of food in the mouth?
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Mechanical breakdown by teeth, Chemical breakdown by saliva, Mixing by tongue
In the mouth, teeth mechanically break down food, saliva chemically breaks down starch, and tongue mixes food. Absorption mainly occurs in the small intestine, not in the mouth.
The food becomes a smooth porridge-like consistency called 'chyme' in the:
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Stomach
In the stomach, digestive juices containing HCl and other enzymes mix with food through muscular contractions, turning it into a smooth porridge-like consistency called chyme.
The strong acid secreted in the stomach is:
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Hydrochloric acid
The stomach secretes hydrochloric acid (HCl) which creates an acidic environment necessary for protein-digesting enzymes to function and helps break down food components.
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