Activities of plant tissues ceases at minimum temperature of ____________________?

Related Mcqs:

1. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?

   A. Absolute temperature
   B. Cardinal temperature
   C. Various temperature
   D. All the above

2. A physiological aging activity in which plant tissues degenerate and ultimately die is called___________________?

   A. Fruit ripening
   B. Maturity
   C. Senescence
   D. Both a & b

3. Direct effect of pollen grains on the female tissues of the ovary is called__________________?

   A. Pollination
   B. Xenia
   C. Metaxenia
   D. None of the above

4. The recommended plant to plant space for chiku is __________________?

   A. 20 x 20 ft
   B. 35 x 35 ft
   C. 50 x 50 ft
   D. 100 x 100 ft

5. Tender crop cannot tolerate a minimum temperature of ___________________?

   A. 0°C
   B. -1°C
   C. 1°C
   D. 2°C

6. The average temperature for maximum plant growth is _________________?

   A. 20-30ºC
   B. 25-35ºC
   C. 28-30ºC
   D. 25-30ºC

7. Aging process in which all plant parts except seeds die is called_________________?

   A. Senescence
   B. Complete Senescence
   C. Partial Senescence
   D. All the above

8. From which part of turmeric plant the turmeric powder is obtained__________________?

   A. Seeds
   B. dried roots
   C. Dried rhizome
   D. Dried fruit

9. The influence of light on flowering in plant is____________________?

   A. Phototropism
   B. Photolysis
   C. Photoperiodism
   D. Photosynthesis

10. ____________ may be defined as the art and science of cutting away of portion of plant to improve its shape, to influence its growth, flowering and fruitfulness and to improve the quality of the product:

    A. Littering
    B. Pruning
    C. Layering
    D. Cutting

    Submitted by: Shafiq Rehman