The activity of enzymes in fruits usually decline at temperature___________________?

Related Mcqs:

1. The enzymes and pigments associated with photosynthesis are located in____________________?

   A. Leucoplast
   B. Chloroplast
   C. Chromoplast
   D. Protoplast

2. Enzymes are__________________?

   A. Activator
   B. Catalyst
   C. Inhibitor
   D. none

3. Respiratory enzymes in the cell are present in_________________________?

   A. Ribosome’s
   B. Lysosomes
   C. Mitochondria
   D. Plastids

4. In Holy Quran which one of the following fruits have been especially mentioned____________________?

   A. Dates
   B. Grapes
   C. Figs
   D. All the above

5. Which types of fruits are known at higher altitude in KP, Balochistan and Murree hills_________________?

   A. Barries
   B. Aggregate fruit
   C. Pomes
   D. None of the above

6. Witting and shriveling of fruits is prevented by the use of_________________?

   A. Waxing
   B. 2,4-D
   C. Ethylene
   D. None of the above

7. Tropical and subtropical fruits have the highest level of___________________?

   A. Maltose and starch
   B. Glucose and fructose
   C. Cellulose and lactose
   D. None of the above

8. 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

9. Ripening fruits soften due to___________________?

   A. Jelly formation at acidic pH
   B. Soubulization of pectate of middle lamelle
   C. Conversion of starch in sugar
   D. Incorporation of pectate in middle lamella

10. The one reason of unfruitfulness in fruits may be:__________?

    A. Heterostyly
    B. Compatibility
    C. Monoecy
    D. None of above

    Submitted by: Lesanullah Khan