Shrinkage of protoplast due to exosmosis of water is__________?

Related Mcqs:

1. Water potential of pure water is__________?

   A. zero
   B. one
   C. negative
   D. two

   Submitted by: Maryam Aftab

2. The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

   A. Deffusion
   B. Osmosis
   C. Active transport
   D. None of these

3. The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?

   A. High specific heat of vaporization
   B. High specific heat capacity
   C. Its Dipole nature
   D. Its liquid state

4. ___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?

   A. Osmotic
   B. Pressure
   C. Both of these
   D. None of these

5. More water is reabsorbed in blood due to _________ ?

   A. More anti-diuretic hormone
   B. Lesser anti-diuretic hormone
   C. Active functioning of pancreas
   D. Inactivity of pituitary gland

   Submitted by: Rashid Mehmood

6. Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?

   A. Hagfish
   B. Fresh water fishes
   C. Bony fishes
   D. None of these

7. Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate

   A. 80.50%
   B. 90.50%
   C. 95.50%
   D. 99.50%

8. Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________?

   A. 100
   B. 152
   C. 162
   D. 172

9. Virus is__________?

   A. unicellular
   B. multicellular
   C. acellular
   D. none of these

   Submitted by: Shoaib Shah

10. The process in which a sperm joins with an egg is__________?

    A. Pollination
    B. Respiration
    C. Fertilization
    D. Asexual reproduction

    Submitted by: Mir Hassan