1 |
The cells which supply ATP and proteins to sleve tubes are. |
- A. Companion
- B. Trachelds
- C. Vessels
- D. epidermal
|
2 |
The open circulatory system is present in |
- A. Periplaneta
- B. Pheretima
- C. Amphioxus
- D. Rana tigrina
|
3 |
In Hydra ectodermal cells get food from endodermal cells by |
- A. Endocytosis
- B. Exocytosis
- C. Both a and b
- D. Diffusion
|
4 |
Which one contains companion cells. |
- A. xylem
- B. Phloem
- C. Cortex
- D. Enclodermis
|
5 |
Which of the following is not true for guard cells. |
- A. Present in epidermis
- B. Lack chloroplast
- C. Bean like
- D. Kidney shaped
|
6 |
Which one is not involved in clotting of blood. |
- A. Platelets
- B. erythrocytes
- C. Basophils
- D. eosinophils
|
7 |
Which of the following possesses bilobed nucleus. |
- A. Basophiles
- B. Eosinophils
- C. Erythrocytes
- D. Lymphocytes
|
8 |
Which is not a lymphoid mass. |
- A. Liver
- B. Thymus
- C. spleen
- D. Tonsils
|
9 |
The volume of the blood in a normal person, plasma constitutes about. |
- A. 15%
- B. 25%
- C. 55%
- D. 75%
|
10 |
In normal human body percentage of plasma in blood volume is. |
- A. 45%
- B. 30%
- C. 55%
- D. 60%
|