| 1 |
The heart of fish is |
- A. Single circuit
- B. Double circuit
- C. Triple circuit
- D. Muti circuit
|
| 2 |
The ions involved in the opening and closing of stomata are. |
- A. Sodium
- B. Calcium
- C. Magnesium
- D. Potassium
|
| 3 |
Cardiac muscles can be distinguished from other muscle fibers because cardiac muscles |
- A. Contain only actin
- B. Voluntary in action
- C. Lacks regular arrangement of sarcomeres
- D. Have intercalated disc
|
| 4 |
Guttation occurs in plants through. |
- A. Cutitle
- B. Hydathodes
- C. stomata
- D. Lenticels
|
| 5 |
The renal vein brings the impure blood form. |
- A. Brain
- B. Kidney
- C. Lungs
- D. Liver
|
| 6 |
Which is not a lymphoid mass. |
- A. Liver
- B. Thymus
- C. spleen
- D. Tonsils
|
| 7 |
The plasma proteins constitute percent by weight of plasma. |
- A. 7.9%
- B. 9-11%
- C. 11-13%
- D. 13-15%
|
| 8 |
Thalassemia is also called. |
- A. Cooley's anaemia
- B. Peter's anaemia
- C. Thomas anaemia
- D. Mendl'e anaemia
|
| 9 |
Cuticular transpiration takes places at. |
- A. Morning
- B. Noon
- C. Evening
- D. Night
|
| 10 |
The dew drops on the tip of the grass leaves involves the phenomenon. |
- A. Imbibition
- B. Bleeding
- C. Guttation
- D. Transpiration pull
|