Lysosome Multiple Choice Questions MCQs with Answers 1. Who recognized lysosomes as separate organelle? a. De Duve b. De Varies ...
Lysosome Multiple Choice Questions MCQs with Answers
1. Who recognized lysosomes as separate organelle?
a. De Duve
b. De Varies
c. Schleiden
d. Palade
Answer: a. De Duve
2. Lysosomal sacs are rich in
a. Reductases and oxidases
b. Acid phosphatase and hydrolytic enzymes
c. Only acid phosphatase
d. Dehtdrogenases
Answer: b. Acid phosphatase and hydrolytic enzymes
3. What of the following is relevant to the term autophagosome?
a. Food vacuole
b. Secondary lysosomes
c. Digestive vacuole
d. All of these
Answer: d. All of these
4. A single-layered membranous organelle is:
a. Mesosomes
b. Lysosomes
c. Centrosome
d. Nucleus
Answer: b. Lysosomes
5. Lysosomes are reservoirs of:
a. RNA
b. Lipids
c. Hydrolytic enzymes
d. Glycoproteins
Answer: c. Hydrolytic enzymes
6. An engulfed cell organelle and Golgi vesicle are collectively known as?
a. Peroxisome
b. Food vacuole
c. Secondary lysosomes
d. Digestive vacuole
Answer: c. Secondary lysosomes
7. Autophagy is a feature of which of the following?
a. Mitochondria
b. Lysosomes
c. Peroxisome
d. All of mentioned above
Answer: b. Lysosomes
8. Which of the following is NOT a function of lysosome?
a. Phagocytosis
b. Apoptosis
c. Autophagy
d. Energy generation
Answer: d. Energy generation
9. The process in which parts of cells are digested to produce energy is known as:
a. Lactation
b. Starvation
c. Assimilation
d. Ingestion
Answer: b. Starvation
10. Which of the following are also known as suicidal bags?
a. Peroxisome
b. Lysosomes
c. Glyoxisome
d. Golgi apparatus
Answer: b. Lysosomes
11. Which cells are affected in Tay-Sachs disease due to the accumulation of lipids?
a. Liver cells
b. Muscle cells
c. brain cells
d. Kidney cells
Answer: c. brain cells
12. Which cells are most appropriate to study lysosomes?
a. White blood cells
b. Nerve cells
c. muscle fibres
d. Leaf mesophyll
Answer: a. White blood cells
13. The lysosomes which eat parts of their own cell are known as:
a. Autophagosome
b. Primary Lysosomes
c. All options
d. Peroxisomes
Answer: a. Autophagosome
14. Which of the following are causes of storage diseases?
a. Storage of glycolipids
b. Lack of enzymes
c. Mutations
d. All of these
Answer: d. All of these
15. In the disease glycogenosis type II, glycogen fills the liver and…?
a. Pancreas
b. Lungs
c. Kidneys
d. Muscles
Answer: d. Muscles
16. Lysosomal membranes are rich in…?
a. Cardiolipin
b. Sterols
c. Sialic acid
d. All of these
Answer: c. Sialic acid
17. In which of the following cells Lysosomes are absent?
a. Muscles cells
b. Hepatocytes
c. Erythrocytes
d. Animal cells
Answer: c. Erythrocytes
18. What is the pH of a lysosome in nature?
a. Depends on the cell type
b. Neutral
c. Basic
d. Acidic
Answer: d. Acidic
19. Which of the following enzymes are defined as lysosomal marker enzymes?
a. Phospholipase
b. Acid phosphatase
c. Pyruvate dehydrogenase
d. Succinate dehydrogenase
Answer: b. Acid phosphatase
20. Choose the correct statement about the acidic pH of lysosomes:
a. Presence of anabolic enzymes
b. Deposition of waste materials
c. Presence of hydrolytic enzymes
d. All of these
Answer: a. Presence of anabolic enzymes
21. Which of the following organelle is known as Perinuclear dense bodies?
a. Nucleolus
b. Lysosomes
c. Peroxisome
d. All of these
Answer: b. Lysosomes
22. Which of the following staining technique is used to locate the lysosomes?
a. Bismarck stain
b. Gomori stain
c. Osmium tetroxide
d. Janus Green Staining
Answer: b. Gomori stain
23. Lysosomes are considered the “garbage trucks” of a cell because:
a. They transport materials between two cell organelles
b. They pump materials from outside to the inside of a cell
c. They remove all unwanted cellular materials
d. They transport materials from one cell to another
Answer: c. They remove all unwanted cellular materials
24. Which of the following is a membrane-bound cell organelle that contains digestive enzymes?
a. Lysosome
b. Ribosome
c. Golgi Body
d. All of these
Answer: a. Lysosome
25. Lysosomes are found in all animal cells, but are most active in…?
a. Skin cells
b. Brain cells
c. Intestinal cells
d. White blood cells
Answer: d. White blood cells
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