| 1 |
Respiratory organs in fish are |
- A. Lungs
- B. Gills
- C. Skin
- D. Fins
|
| 2 |
How much air lungs can hold when they are futy inflated. |
- A. 5 liters
- B. 4.5 liters
- C. 4 liters
- D. 3.5 liters
|
| 3 |
100 ml of arterial blood of human being contains CO2 |
- A. 50 ml
- B. 54 ml
- C. 56 ml
- D. 58 ml
|
| 4 |
Rubisco reacts with oxygen instead of CO2 during. |
- A. Glycolysis
- B. Respiration
- C. Kreb cycle
- D. Photorespiration
|
| 5 |
Carbon di oxide per 100 ml of venous blood is. |
- A. 50 ml
- B. 54 ml
- C. 98 ml
- D. 99 ml
|
| 6 |
Which one is the structure of respiratory system of man. |
- A. Larynx
- B. Syrinx
- C. Esophagus
- D. duodenum
|
| 7 |
During photorespiration, glycine is converted into serine in the |
- A. Golgi bodies
- B. Chloroplast
- C. Mitochondria
- D. Ribosome
|
| 8 |
In earthworm exchange of gases mainly takes place through. |
- A. Gills
- B. Lungs
- C. Skin
- D. Ostla
|
| 9 |
Raspatory activity which occurs in plants during day time is called. |
- A. Respiration
- B. Transpiration
- C. Photorespiration
- D. Cutaneous respiration
|
| 10 |
Air spaces between mesophyll cells of a leaf comprise ______ of the total volume |
- A. 20%
- B. 30%
- C. 40%
- D. 50%
|