| 1 |
Number of spiracles in cockroach is |
- A. 20 pairs
- B. 10 pairs
- C. 06 pairs
- D. 08 pairs
|
| 2 |
Which is correct order of parts of air passage ways in man. |
- A. Nostrils, Nasal cavity, Pharynx, Larynx
- B. Nasal cavity, Nostrils, Pharynx, Larynx
- C. Nasal cavity, Pharynx, Nostrils, Larynx
- D. Nostrils, Pharynx, Larynx, Nasal cavity
|
| 3 |
Number of air sacs in birds is |
|
| 4 |
Lungs of birds have thin walled ducts called. |
- A. Alveoli
- B. Trachea
- C. Bronchi
- D. Parabronchi
|
| 5 |
The heart of the fist is single circuit and the blood flows in |
- A. Two direction
- B. One direction
- C. One and two direction
- D. Reverse direction
|
| 6 |
The volume of air taken inside the lungs and expelled during exercise is about |
- A. 2.5 liters
- B. 3.5 liters
- C. 4.5 liters
- D. 1.5 liters
|
| 7 |
Rubisco reacts with oxygen instead of CO2 during. |
- A. Glycolysis
- B. Respiration
- C. Kreb cycle
- D. Photorespiration
|
| 8 |
Breakdown of Alveoli of lungs is called. |
- A. Asthma
- B. Lungs cancer
- C. Emphysema
- D. Tuberculosis
|
| 9 |
Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is. |
- A. 19.6 ml
- B. 18.6 ml
- C. 17.6 ml
- D. 16.6 ml
|
| 10 |
The main site of exchange of gases iin plants are |
- A. Cuticle
- B. Lenticel
- C. Stomata
- D. Epidermis
|