Expected Zoology viva voce questions - B.Sc Life Science - Ist year

I Qualitative tests for carbohydrates, protein and lipids.

Q1 What is the principle of test X (e.g Benedict's test)?
Q2 Why the test X is used?
Q3 What is the procedure for test X.

Q4 what is a positive control?
Q5 What is a negative control?
Q6 Why controls are used?

II Temorary mounts

Q1 What kind of cells are present inside buccal cavity?
Q2 What kind of cells are present on the outer surface of cheek?
Q3 What is the shape of neurons?
Q4 What are striations called in muscle cells?
Q5 Where does striated muscle cells exist in human?
Q6 How many types of muscle cells are present in human?
Q7 Where smooth and cardiac muscle cells are present?
Q8 Where the nucleus is present in striated muscle cells?
Q9 Why striated muscle cells are multinucleate?
Q10 What are A bands and I bands? Why are they called so?
Q11 What is sarcomere?
Q12 What is the cytoplasm of straited muscle called?
Q13 What is the plasma membrane of straited muscle called?
Q14 What is the endoplasmic reticulum of straited muscle called?
Q15 What is a temporary mount? How does it differ from permanent mount?

III Cytochemical distribution of mucopolysaccharides and nucleic acid
Q1 What are mucopolysaccharides?
Q2 What are nucleic acids? Why are they called acids?
Q3 What is the principle of PAS staining?
Q4 What is the principle of Feulgen staining?
Q5 What is Schiff's reagent?

IV Hemocytometer
Q1 What is RBC chamber? What are it's distinguishing features?
Q2 What is WBC chamber? What are it's distinguishing features?
Q3 Which fluid is used for RBC dilution. What is it's composition?
Q4 What is the normal RBC count?
Q5 Abnormal increase in RBC count is called -?
Q6 Abnormal decrease in RBC count is called -?
Q7 What formula is used to count the number of R.B.C's.
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to be continued
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