A. All the covalent bonds
B. Zero charge at surface
C. All are ionic bond
D. None of the above
Related Mcqs:
- Permanent change in soil is due to__________________?
A. Ionic bonding
B. pH change
C. Covalent bonding
D. Isomorphic substitution - Buffer solution is a solution which resist change in __________________ ?
A. pH
B. SAP
C. EC
D. RSC - A mutation is a change in_________________?
A. Chromosome number
B. RNA
C. DNA
D. Chromosome structure - The change in chromosome number which involves the entire set of genome is known as______________?
A. Anenploidy
B. Euploidy
C. Trisomy
D. all the above - The number of calories of heat required to change the temperature of one Kg of a substance is called____________________?
A. Heat action
B. Molar heat
C. Specified heat
D. None of the above - Heat requirement to change 1 Kg of a substance at its boiling point from the liquid to vapour is called__________________?
A. Heat of fusion
B. Heat energy
C. Heat of vaporization
D. Mechanical heat - Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called___________________?
A. Long day plants
B. Short day plants
C. Photoperiod
D. Phototropism - Loss off leaves due to seasonal change is_________________?
A. Leeward
B. Defoliation
C. Malformation
D. None of the above - Which one of the following quantative change is associated with ripening of fruits_____________________?
A. Breakdown of poly carbohydrates
B. Conversion of starch to sugar
C. Pectic substance and hemicellulose
D. All the above - Change in body temperature with in 24 hrs is called ________________________?
A. Acclimation
B. Circadian
C. Acclimatization
D. Heat lost