| 1 |
Urea is detoxified form of____ in the urea cycle which can be retained in the body. |
- A. Ammonia
- B. Nitrogen
- C. Uric Acid
- D. CO2
|
| 2 |
Which organ is the central station of Metabolism. |
- A. Liver
- B. Kidney
- C. Spleen
- D. Skin
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| 3 |
Fresh water flatworms excrete very dilute |
- A. Plasma
- B. Tissue fluid
- C. Fluid
- D. Urine
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| 4 |
Mammalian kidney including human is adapted to conserve water upto. |
- A. 69.5%
- B. 79.5%
- C. 89.5%
- D. 99.5%
|
| 5 |
Uric acid is produced from metabolism of. |
- A. Nucleic acid
- B. Fetty acid
- C. Carbohydrates
- D. Lipds
|
| 6 |
The category of plants that has adaptation of small and thick leaves to limit water loss is called. |
- A. Hydrophytes
- B. Xerophytes
- C. Aygrophytes
- D. Mesophytes
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| 7 |
The most concentrated external environment is termed as. |
- A. Hypotonic
- B. Hypertonic
- C. Osmotic
- D. Isotonic
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| 8 |
The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete: |
- A. Cartilagenous plates
- B. Chitinous rings
- C. Cartilaginous rings
- D. Muscular rings
|
| 9 |
Abdomen has a peritoneal cavity lined by a thin epithelium called |
- A. Pericardium
- B. Peritoneum
- C. Scrotal sac
- D. Pleura
|
| 10 |
Contractile vacuoles are found in. |
- A. Plants
- B. Fresh water protozoa
- C. Marine plants
- D. Pino cytosis
|