Entry Test MCQ :: MCAT - SAMPLE PAPER
|
|
|
|
|
|
| 31. |
Gaseous exchange in birds occurs at level of |
| A. |
Alveoli |
B. |
Air sacs |
| C. |
Bronchi |
D. |
Parabronchi |
Answer: Option D
Explanation:
|
| 32. |
An infectious disorder of respiratory system is |
| A. |
Cancer |
B. |
Asthma |
| C. |
Tuberculosis |
D. |
Emphysema |
Answer: Option C
Explanation:
|
| 33. |
According to cohesion-tension theory, tension is created by |
| A. |
Hydrogen bonding |
B. |
Transpiration |
| C. |
Adhesion |
D. |
Root prerssure |
Answer: Option B
Explanation:
|
| 34. |
Cuticular transpiration is _______ of total transpiration |
Answer: Option C
Explanation:
|
| 35. |
_______ cells of phloem are directly involved in transport of organic solutes |
| A. |
Parenchyma |
B. |
Companion cell |
| C. |
Tracheid |
D. |
Sieve element |
Answer: Option D
Explanation:
|
| 36. |
Deoxygenated blood first enters in _____ part in fishes |
| A. |
Sinus venosus |
B. |
Right atrium |
| C. |
Left atrium |
D. |
Conus arteriosus |
Answer: Option A
Explanation:
|
| 37. |
95% of the cytoplasm of RBCs is |
| A. |
Hemoglobin |
B. |
Enzymes |
| C. |
Salts |
D. |
Other proteins |
Answer: Option A
Explanation:
|
| 38. |
"lubb" sound is produced due to |
| A. |
Opening of inlet valve |
B. |
Closure of inlet valve |
| C. |
Opening of outlet valve |
D. |
Closure of outlet valve |
Answer: Option B
Explanation:
|
| 39. |
An antibody is made of _____ polypeptide chains |
Answer: Option D
Explanation:
|
| 40. |
_______ of earth surface is covered with water |
Answer: Option C
Explanation:
|
Read more:
|
|
