2.) Urine concentration depends upon the presence of hormone :
a.) Thyroxine b.) Vasopessin c.) Melatonin d.) Adrenaline
3.) In flatworms excretory organs are :
a.) flame cells b.) green glands c.) nephridia d.) malpighian tubules .
4.) Ascent of sap occurs through :
a.) Cohesion tension b.) Mass flow c.) Imbibition d.) Capillarity
5.) Which one is an anabolic process ?
a.) Respiration b.) Digestion c.) Photosynthesis d.)Ascent of sap
6.) A catabolic process is :
a.) absorption of minerals b.) ascent of sap c.) respiration d.) assimilation .
Q.) What is Pleura ?
2. Vasopressin.
3. Flame cells.
4. Cohesion tension
5. photosynthesis
6. Respiration
7. Pleura is the membrane that is present around the lung.