Parts Of The Digestive System

Brunner's gland secrete large amount of mucus and bicarbonates to protect duodenal mucosa and to neutralize the acidic chyme. It also secretes two hormones:
[a] Secretin
[b] Cholecystokinin (CCK)
These stimulate-
(i) Secretion of pancreatic juice by pancreas
(ii) Release of bile from gall bladder
(iii) Formation of bile by liver and pancreatic juice

Step 1: Concept
Insulin is a hormone produced by the pancreas that manages energy sources.
Step 2: Analysis
It specifically controls how the body uses and stores carbohydrates.
Step 3: Conclusion
Insulin is the primary regulator of glucose (sugar) metabolism.
Final Answer: (C)

Step 1: Concept
Nuclear reactions involve changes in the nucleus of an atom.
Step 2: Analysis
Fission specifically refers to the division of a heavy nucleus (like Uranium) into smaller nuclei with the release of energy.
Step 3: Conclusion
This process is called nuclear fission.
Final Answer: (B)