| 1 |
Veins are the blood vessels which transport blood from body cells towards. |
- A. Brain
- B. Kidney
- C. Liver
- D. Heart
|
| 2 |
Platelets are fragments of large cells called. |
- A. Microkaryocytes
- B. Erythrocytes
- C. Megakaryocytes
- D. Leucocytes
|
| 3 |
Which of the following is not true for guard cells. |
- A. Present in epidermis
- B. Lack chloroplast
- C. Bean like
- D. Kidney shaped
|
| 4 |
Pathway of water consisting of interconnected protoplast in root cells is called. |
- A. Apoplast
- B. symplast
- C. Tonoplast
- D. Protoplast
|
| 5 |
The uncontrolled production of white blood cells result in |
- A. Oedema
- B. Leucaemia
- C. Thaiassaemia
- D. Asthma
|
| 6 |
Lymph most closely resemble with |
- A. Blood
- B. Plasma
- C. Interstitial fluid
- D. Urine
|
| 7 |
The valves present in the veins are |
- A. Bicuspid
- B. Semi lunar
- C. Tricuspid
- D. Aortic
|
| 8 |
The left systemic arch disappears in |
- A. Fish
- B. Reptile
- C. Mammals
- D. Birds
|
| 9 |
Open circulatory system is present in. |
- A. Man
- B. Leach
- C. Earth work
- D. Cockroach
|
| 10 |
________ is incorrect about guard cells. |
- A. Have chloroplasts
- B. Bean shaped
- C. Connected to surrounding cells by plasmodesmata
- D. surrounding stoma
|