Of the following, which one causes higher production of food in green plants?

Related Mcqs:

1. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Ethene.

2. Deficiency of ___________ causes yellowing in plants?

   A. Magnesium
   B. Iron
   C. Chlorine
   D. Oxygen

3. Higher vascular plants are also called__________?

   A. flowering plants
   B. seed plants
   C. ferns
   D. none of these

   Submitted by: Maryam Aftab

4. They are present in the underground parts of the plants and stored food?

   A. leucoplast
   B. chromoplast
   C. chloroplast
   D. stem

   Submitted by: Maryam Aftab

5. Which tissue of plants conducts food to its body?

   A. Phloem
   B. Parenchyma
   C. Xylem
   D. None of the above

   Submitted by: Naveed Tahir

6. Epiphytes are plants which depend on other plants for________?

   A. food
   B. mechanical support
   C. shade
   D. None of these

   Submitted by: Tauqeer Ahmad Rajput

7. Of the following which one is not the characteristic of green algae?

   A. Some green algae possess cell wall with cellulose
   B. They are generally accepted as the ancestors of green plants
   C. Chlorella is unicellular non-motile green algae
   D. None of these

8. Which of the following pigment is Blue- green in colour?

   A. Chlorophyll a
   B. Chlorophyll b.
   C. Chlorophyll c
   D. Chlorophyll d.

9. Deficiency of which of the following causes chlorosis__________________?

   A. Nitrogen
   B. Magnesium
   C. Iron
   D. Both A and B

10. Which one the following fatty acid is more soluble in an organic solvent and has higher melting point____________?

    A. Acetic acid
    B. Butyric acid
    C. Palmitic acid
    D. All have same