TRB MODEL QUESTIONS FOR ZOOLOGY
| 21. |
Birds excrete nitrogenous waste in the form of |
| |
- A. Urea
- B. Ammonia
- C. Uric acid
- D. Fatty acids
|
| 22. |
Total volume of blood in a normal human body |
| |
- A. 4 litres
- B. 4.5 litres
- C. 5 litres
- D. 6 litres
|
| 23. |
Normal blood pressure is |
| |
- A. 80/80 mm Hg
- B. 120/80 mm Hg
- C. 120/60 mm Hg
- D. 150/80 mm Hg
|
| 24. |
Yellow fever is spread by |
| |
- A. Water
- B. Air
- C. Mosquito
- D. House fly
|
| 25. |
Adenoid is the disease in which |
| |
- A. Thyroid enlarges
- B. Spleen enlarges
- C. Nasal tonsil enlarges
- D. Tonsil enlarges
|
