Phagocytosis

Q.

What is the meaning of endocytosis?

Q. When does a human body elicit a anamnestic response ?

Q.

The type of endocytosis known as “cell feeding” is called ________________.

Q.

Give a diagrammatic sketch of phagocytosis.

Q. The process during which the living cells ingest or engulf other cells or particles is called

1. Pinocytosis
2. Phagocytosis
3. Both A and B
4. Exocytosis

Q. Pinocytosis and phagocytosis are absent in

1. Prokaryotic cells
2. Eukaryotic animal cells
3. Both A and B
4. None of the above

Q. Assertion :Use of chitinase enzyme, is necessary for isolation of DNA from yeast cells but not in case of Spirogyra. Reason: Fungal cell wall is made up of fungal cellulose or chitin.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. State whether the following statements are true or false.
The process by which a white blood cell or an amoeba engulfs bacteria is called phagocytosis.

1. True
2. False

Q. Define phagocytosis.

Q. Thermal and chemical resistant in bacterial spores is due to

1. Dipicolinic acid
   
2. Teichoic acid
3. Diaminopimelate
4. Muramic acid

Q. Very short answer type.
Name the different types of granulocytes. Give the function of the one which constitutes maximum percentage of the total leucocytes.

Q. Dehydrated thick-walled bacterial cells having dipicolinic acid are

1. Endospores
2. Conidia
3. Exospores
4. Oidia

Q. Write a note on endocytosis.

Q. Pinocytosis name proposed by

1. Metchnikoff
2. Gorter
3. Wilkins
4. W. H. Lewis

Q. In certain cells as in pancreas, the enzymatic secretions are passed out with the help of plasma membrane which is called as

1. Emeiocytosis
2. Cell vomiting
3. Exocytosis
4. All of the above

Q.

Fill in the blanks.​
are the cells which ingest pathogens which invade our body.​

Q.

Which of the following are true for phagocytosis?

1. Raised body temperature

2. Increased heart rate and blood pressure

3. Sleeplessness

4. all of these

Q. Proton pump in thylakoid membrane is?

1. PC
2. Phenophytin
3. Fd
4. PQ

Q.

Collection of WBCs occurs at the site of injury due to which of the following mechanisms?

1. Phagocytosis

2. Haemolysis

3. Diapedesis

4. All of the above

Q. Activity of phagocytosis occurs through?

1. Neutrophils and monocytes
2. Eosinophils and monocytes
3. Basophils and monocytes
4. Lymphocytes and neutrophils

Q. What is the name given to a large amoeboid cell that engulfs and destroys bacteria invading the human body?

1. Mast cell
2. Macrophage
3. T-cell
4. Elastocyte

Q. Very short answer type.
Define the term pinocytosis.

Q. How phagocytes are necessary for any animal?

1. Breaking monocytes
2. Engulfing glucose molecule
3. Engulfing bacteria and other foreign substances
4. Protein digestion

Q.

_____A___ in the blood migrates to the specific body tissues and gets differentiated into ____B___.

1. A – Monocytes, B – Natural killer cells
2. A – Basophils, B – Monocytes
3. A – Monocytes, B – Macrophages
4. A – Neutrophils, B - Thrombocytes

Q. The phagocyte can be a free-living cell or a body cell

1. False
2. True

Q. Choose the correct answer from the alternatives given.
If phagocytosis can be compared to cellular eating, the pinocytcisis can be compared to

1. Cellular elimination
2. Cellular drinking
3. Cellular dehydration
4. None of these

Q.

Define the term endocytosis.

Q. Pinocytosis was studied for the first time by

1. Metchnikoff
2. Lewis
3. Plowe
4. Nageli