Consider statements about human physiology: 1. The liver stores glycogen. 2. The spleen filters blood and removes old RBCs. 3. The appendix is essential for digestion. Which are correct? MCQ with Answer and Explanation
Consider statements about human physiology: 1. The liver stores glycogen. 2. The spleen filters blood and removes old RBCs. 3. The appendix is essential for digestion. Which are correct?
A. 1 and 3 only
B. 1, 2 and 3
C. 1 and 2 only
D. 2 and 3 only
Answer: Option C
Solution (By JKSSB Mock Tests)
The liver plays a crucial role in carbohydrate metabolism, storing excess glucose as glycogen and releasing it when blood sugar drops. The spleen acts as a blood filter, removing old, damaged, or abnormal red blood cells and storing platelets. The appendix is a small, blind-ended tube attached to the cecum; it has no significant role in human digestion and is considered a vestigial organ. Thus, statements 1 and 2 are correct.
Explanation:
Selman Waksman coined the term 'antibiotic' in 1942 to describe chemical compounds produced by microorganisms that inhibit or kill other microbes. Fleming discovered penicillin, Ehrlich developed the concept of chemotherapy, Domagk discovered sulfa drugs.
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