1. The water readily available to plants for absorption by roots is
A. Gravitational water
B. Capillary water
C. Rainwater
D. Hygroscopic water
E. None of the above
2. The open vascular system is found in
A. Man
B. Fish
C. Prawn
D. Snakes
E. None of the above
3. The water potential of pure water at atmospheric pressure is
A. -2.3 bar
B. +2.3 bar
C. Zero bar
D. One bar
E. None of the above
4. Which of the following is the Animal possess canal system?
A. Sponges
B. Annelids
C. Mollusc
D. Echinoderms
E. None of the above
5. Loss of water from the stomata of leaves is called.
A. Guttation
B. Exudation
C. Transpiration
D. Evaporation
E. None of the above
6. During rainy season wooden doors are difficult to open or closure because of
A. Plasmolysis
B. Imbibition
C. Osmosis
D. Diffusion
E. None of the above
7. Which of the following organ receives only oxygenated blood?
A. Lung
B. Liver
C. Spleen
D. Gill
E. None of the above
8. Which is caused by the Cooling of plants.
A. Transpiration
B. Photorespiration
C. Guttation
D. Assimilation
E. None of the above
9. Blood pressure is measured by
A. electrocardiogram
B. stethoscope
C. Clinical thermometer
D. Sphygmomanometer
E. None of the above
10. Water absorption takes place through
A. Lateral roots
B. Root cap
C. Root hairs
D. Taproot
E. None of the above
11. The membranous covering of the heart is
A. Meninges
B. Pericardium
C. Pleura
D. Peritoneum
E. None of the above
12. Stomata open at night and close during daytime in
A. Xerophytes
B. Mesophytes
C. Succulents
D. Hydrophytes
E. None of the above
Topic Covered
Animal and Plant Physiology Important Questions.
