Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?

Related Mcqs:

1. Intake of liquid material by cell membrane is called___________?

   A. Endocytosis
   B. Exocytosis
   C. Phagocytosis
   D. Pinocytosis

2. Percentage of proteins in cell membrane is____________?

   A. 20-40%
   B. 40-50%
   C. 60-80%
   D. 80-100%

3. Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?

   A. Active transport
   B. Passive transport
   C. Co-transport
   D. Counter transport

4. Which of the statement about cell membrane is not true?

   A. It contains protein molecules embedded in lipid bilayer
   B. It is a differentially permeable membrane.
   C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
   D. It may get infolded to engulf solid or liquid material.

5. Cell membrane under resting conditions is impermeable to all the ions except_____________?

   A. Na+
   B. K+
   C. Cl-
   D. PO4-2

6. Lipid molecules can store double amount of energy as compared to same amount of carbohydrate because of high number of__________________?

   A. C-C bonds
   B. C-H bonds
   C. C-N bonds
   D. C-O bonds

7. Accumulation of lipid molecules in brain cells lead to____________?

   A. paralysis
   B. oedema
   C. mental retardation
   D. all of these

   Submitted by: Maryam Aftab

8. Accumulation of lipid molecules in brain cells lead to__________?

   A. paralysis
   B. oedema
   C. mental retardation
   D. all of these

   Submitted by: Maryam Aftab

9. Formation of heat shock proteins in plants results in___________?

   A. Elevation of temperature in cold conditions.
   B. Embracing the enzymes and other proteins and prevent their denaturation.
   C. Change the chemical nature of other proteins thus making them heat resistant.
   D. Help in evaporative cooling.

10. which of the following gives to rise two daughter cell during cell division?

    A. meiosis
    B. mitosis
    C. both a & b
    D. none of these

    Submitted by: Muhammad Nawaz