1. Rise in pH of guard cells, hydrolysis of starch
2. Cytokinins and CAMP required
3. Abscisic acid promotes closure
4. All the above
All the above
1. hydrozoan
2. schyphozoan
3. anthozoan
4. fish.
anthozoan
1. two sense organs
2. three sense organs
3. four sense organs
4. five sense organs
four sense organs
1. hearing
2. light perception
3. smell
4. equilibrium
equilibrium
1. Plasmolysis
2. Exosmosis
3. Endosmosis
4. Electrolysis
Endosmosis
1. proximal half end of body
2. distal half end of body
3. both the ends
4. tentacles only.
distal half end of body
1. Amount of water absorbed equals the amount transpired
2. Osmotic pressure
3. Root pressure
4. Potential difference between the tip of the tube and that of the plant
Amount of water absorbed equals the amount transpired
1. proteins
2. fats
3. sugars
4. starch
starch
1. Hydrozoa
2. Scyphozoa
3. Actinozoa
4. Cephalopoda
Scyphozoa
1. Decrease in CO2 concentration and more H+ ion concentration
2. Decrease in CO2 concentration and less H+ ion concentration
3. increase in CO2 concentration and more H+ ion concentration
4. more free H+ ion and less Cl- ion.
Decrease in CO2 concentration and less H+ ion concentration