The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?

Related Mcqs:

1. Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

   A. Increases.
   B. Lowers.
   C. Doesn’t effect.
   D. Maintains.

2. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called________?

   A. Environmental biology
   B. Social biology
   C. Human biology
   D. Both b and c

3. _________________ cells of phloem are directly involved in transport of organic solutes?

   A. Parenchyma
   B. Companion cell
   C. Tracheid
   D. Sieve element

4. A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

   A. Transpiration pull
   B. Root pressure
   C. Osmotic pressure.
   D. None of these

5. Any change in the environment of an organism is called___________?

   A. Stimulus
   B. Variation
   C. Response
   D. Reaction

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. The innate tendency of offspring to resemble their parents is called________?

   A. heridity
   B. heridisk
   C. varaition
   D. none

   Submitted by: Zeeshan Shahzad

8. Group of living organisms of the same species living in the same place at the same time is called________?

   A. Community
   B. Population
   C. Ecosystem
   D. Biome

9. Functional units of lungs are called________?

   A. Alveoli
   B. Air sacs
   C. Parabronchi
   D. None of these

10. The small intestine has three parts. The first part is called________?

    A. Duodenum
    B. Oesophagus
    C. Larynx
    D. None of these

    Submitted by: Nayab Idrees