Xylem and phloem are conducting tissues found in ……….?

Related Mcqs:

1. Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

   A. Increases.
   B. Lowers.
   C. Doesn’t effect.
   D. Maintains.

2. Simple tissues and complex tissues are two groups of_________tissues.

   A. Meristematic
   B. Permanent
   C. Epidermal
   D. Supporting

   Submitted by: Muhammad Nawaz

3. _________________ cells of phloem are directly involved in transport of organic solutes?

   A. Parenchyma
   B. Companion cell
   C. Tracheid
   D. Sieve element

4. Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?

   A. Transpiration pull
   B. Root pressure
   C. Ascent of sap.
   D. All of these

5. A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

   A. Transpiration pull
   B. Root pressure
   C. Osmotic pressure.
   D. None of these

6. Total number of amino acids discovered so far in cells and tissues are______________?

   A. 20
   B. 25
   C. 150
   D. 170

7. In plants there are_______basic types of tissues?

   A. 2
   B. 3
   C. 4
   D. None of these

   Submitted by: Muhammad Nawaz

8. The plants which produce embryo but lack vascular tissues and seeds are placed in_________?

   A. bryophytes
   B. pteridophytes
   C. tracheophytes
   D. all of these

   Submitted by: Maryam Aftab

9. __________is a condition in which there is an absence of oxygen supply to an organ’s tissues?

   A. Anoxia
   B. Anorexia
   C. Hypoxia
   D. Enuresis

   Submitted by: Neelam Parri

10. Endocrine system consists of some/how _______ Endocrine glands /tissues.

    A. 59
    B. 29
    C. 78
    D. 20

    Submitted by: Amir