Lysosomes are membrane-bound vesicles containing acidic hydrolytic enzyme in the form of minute crystalline or semicrystalline granules. They are rich in cells involved in intracellular digestion. They are also known as suicidal bags. There are about 40-50 types of hydrolytic enzymes in lysosomes which are synthesized in RER and catogrised as Nucleases for digesting nucleic acid, Lipase for lipids, Phosphatases for phosphate linked compound , Sulphatases for sulphur linked compounds and Glycosidases for polysaccharide digestion. Lysosomes show polymorphism. So take this quiz and increase your knowledge about Lysosomes or suicide bag.
1. Who discovered Lysosomes?
A. Camillo Golgi
B. Christian Rene de Duve
C. Morgan
D. Miller
2. In which year Christian Rene de Duve discovered Lysosomes?
A. 1960s
B. 1940s
C. 1950s
D. 1970s
3. Which one is the vesicle filled with inactive hydrolytic enzymes?
A. Storage granules
B. Secondary Lysosome
C. Both of them
D. None of them
4. Which of the following lysosome fused with ingested food?
A. Primary Lysosomes
B. Secondary Lysosomes
C. Residual Body
D. Autolysosome
5. Which one is the lysosome left with only undigested food, which later on its thrown out by excretion?
A. Autolysosome
B. Primary Lysosomes
C. Secondary Lysosomes
D. Tertiary Lysosoemes
6. Worn out cell organelles are digested by .....
A. Peroxisome
B. Lysosome
C. Glyxisome
D. Ribosome
7. The lysosome hydrolases work at .....
A. Neutral pH
B. Acidic pH
C. Alkaline pH
D. Any pH
8. Lysosome having mitochondria is called ......
A. Primary lysosomes
B. Secondary lysosomes
C. Residual body
D. Autophage
9. Lysosomes can hydrolyze all types of organic compound except .....
A. Proteins
B. Lipids
C. Cellulose
D. Starch
10. Which disease is caused due to the hyperactivity of lysosomes?
A. Gout
B. Lung fibrosis
C. Arthritis
D. All of the above
11. Osteoclast cells in bones are rich in ....
A. Lysosomes
B. Ribosomes
C. Mitochondria
D. ER
12. Lipofuscin granules in nerve cell are.....
A. Primary lysosomes
B. Secondary lysosomes
C. Tertiary lysosomes
D. Autophagic lysosomes
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