| 1 |
Exchange of materials between blood and surrounding tissues occurs in: |
- A. Arteries
- B. Veins
- C. Capillaries
- D. All of these
|
| 2 |
Which of the followings in not true about the opening and Closing of Stomata? |
- A. Light helps in the opening and closing of stomata
- B. K<sup>+</sup> ions are responsible for the opening and closing of stomata
- C. The osmosis of water is responsible for the opening and closing of stomata
- D. None for these
|
| 3 |
Stomata close when guard cells: |
- A. Loss water
- B. Gain chloride ions
- C. Become turgid
- D. Grain potassium ions
|
| 4 |
The rate of transpiration is increased when: |
- A. Low light
- B. Temperature decrease
- C. Humidity increased
- D. None of these
|
| 5 |
The percentage of plasma protein in the blood is: |
- A. 4 - 5
- B. 5-6
- C. 7-8
- D. 7-9
|
| 6 |
Which of the following tissue layer is found in all blood vessels? |
- A. Smooth muscle
- B. Endothelium
- C. Skeletal muscle
- D. Connective tissue
|
| 7 |
Blood circulation in humans being was first described by Muslim Anatomist ............... . |
- A. William Harvey
- B. Ibn-al-Nafees
- C. Bu Ali Seena
- D. Ibn Al Haitehm
|
| 8 |
Stomata close when the guard cells; |
- A. Lose water
- B. Gain chloride ions
- C. Became turgid
- D. Gain potassium ions
|
| 9 |
ABO blood group system was discovered in 1901 by .................. . |
- A. Camillo
- B. Karl land Steiner
- C. Robert Hooke
- D. Mathias Schleiden
|
| 10 |
When fibrinogen makes blood clot,it separates from blood and the remainder is called: |
- A. Plasma
- B. Lymph
- C. Serum
- D. Puss
|
