Thrombokinase is associated with
elimination of urea and other excretory products from the body
production of erythrocytes from the bone marrow
pulmonary and systemic circulation
cardiac cycle and its regulation
cardiac cycle and its regulation
E.
enzymatic reactions in coagulation of blood
The Thromboplastin or Thrombokinase is released from injured platelets or injured tissue. This converts prothrombin into thrombin in the presence of calcium ions. The thrombin converts fibrinogen into fibrin, the latter forms the clot.
Match Column I with Column II regarding human excretory system. Choose the correct option.
| Column I | Column II |
| i. Epithelial cells of Bowman's capsule | A. Juxtamedullary nephron |
| ii. Extension of cortex between the medullary pyramids as renal columns | B. Vasa recta |
| iii. Nephrons with long loop of Henle running deep into the medulla | C. Juxtamedullary apparatus |
| iv. A fine vessel of the peritubular capillaries running parallel to Henle's loop | D. Podocytes |
| v. A special sensitive region in the DCT and afferent arteriole at the location of their contact |
E. Columns of Bertin F. Cortical nephron |
i - C; ii - B; iii - A; iv - D; v - E
i - E; ii - A; iii - B; iv - C; v - D
i - D; ii - C; iii - B; iv - E; v - A
i - D; ii - E; iii - A; iv - B; v - C
i - D; ii - E; iii - A; iv - B; v - C
Choose the wrong statement among the following
Trypsinogen is activated by enterokinase
The optimum pH for salivary amylase activity is 8.9
Rennin helps in the digestion of milk proteins
Goblet cells secrete mucous 8.9
Goblet cells secrete mucous 8.9
One type of chromosome has middle centromere whereas
the other has a terminal centromere. They are
Metacentric and acrocentric
Metacentric and telocentric
Sub-metacentric and telocentric
Telocentric and acrocentric
Telocentric and acrocentric
Match Column I with Column II and Column III. Choose the correct option.
| Column I (Substrate) | Column II (Enzyme) | Column III (Product) |
| 1. Lactose | A. Lipase | i. Galactose |
| 2. Monogycerides | B. Trypsin | ii. Maltose |
| 3. Starch | C. Lactase | iii. Fatty acid |
| 4. Peptones | D. Amylase | iv. Dipeptides |
1-A-i; 2-C-ii; 3-B-iii; 4-D-iv
1-D-i; 2-A-ii; 3-B-iii; 4-C-iv
1-C-i; 2-A-iii; 3-D-ii; 4-B-iv
1-C-i; 2-A-ii; 3-D-iii; 4-B-iv
1-C-i; 2-A-ii; 3-D-iii; 4-B-iv
Choose the wrong statement
Solubility of CO2 in blood is 20-25 times higher than that of O2
The total volume of air accommodated in the lungs at the end of a forced inspiration is called the vital capacity
O2 can bind with haemoglobin in a reversible manner to form oxyhaemoglobin
Every 100 ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli
Every 100 ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli
Match the sub-stage of prophase I of meiosis in Column I and the events in Column II and choose the right option.
| Column I | Column II |
| A. Leptotene | 1. Terminalization of chiasma |
| B. Zygotene | 2. Crossing over and recombination |
| C. Pachytene | 3. Synapsis |
| D. Diakinesis | 4. Visibility of chromosomes |
A - 1; B - 2; C - 3; D - 4
A - 1; B - 3; C - 2; D - 4
A - 4; B - 3; C - 2; D - 1
A - 4; B - 1; C - 2; D - 3
A - 4; B - 1; C - 2; D - 3
What is the pO2 and pCO2 in the systemic arteries?
pO2 40 mm Hg; pCO2 45 mm Hg
pO2 95 mmHg; pCO2 104 mm Hg
pO2 95 mm Hg; pCO2 40 mm Hg
pO2 45 mm Hg; pCO2 40 mm Hg
pO2 45 mm Hg; pCO2 40 mm Hg
Which of the following scientists discovered the triple helical structure of collagen?
G.N. Ramachandran
Anton von Leeuwenhoek
Matthias Schleiden
Theodor Schwann
Theodor Schwann
To generate pressure gradients to facilitate expiration and inspiration, the human body uses the intercostal muscles and
alveolar sacs
bronchi
primary, secondary and tertiary bronchioles
diaphragm
diaphragm
