Secondary cell wall of sclerenchyma cells is impregnated with_________________?

Related Mcqs:

1. Cell wall is richly impregnated with silica in__________?

   A. Rhodophyta
   B. Phaeophyta
   C. Baciliariophyta
   D. Euglenophyta

2. Which of the following cell organelles is absent in animal cells and present in a plant cell?

   A. Cell wall
   B. Cytoplasm
   C. Vacuoles
   D. Mitochondria

   Submitted by: Nayab Idrees

3. If the number of chromosomes in most body cells of a mammal is 40, the cells in the seminiferous tubule will have___________?

   A. 40 chromosomes
   B. 20 chromosomes
   C. 10 chromosomes
   D. While some other will have 20

   Submitted by: Rashid Mehmood

4. There are cells in human body called Faggot cells which cause__________?

   A. AIDS
   B. Tuberculosis
   C. Smallpox
   D. Leukaemia

   Submitted by: Ali Mallah

5. In which of the following pigments major energy reserves and cell wall are like plants?

   A. Rhodophyta
   B. Chlorophyta
   C. Phaeophyta
   D. Chrysophyta

6. Cyanobacteria have ________ cell wall?

   A. Gram +ve.
   B. Gram – ve.
   C. Acid fast
   D. Cellulose rich

7. Cell wall is absent in___________?

   A. Cocci
   B. Bacilli
   C. Mycobacterium
   D. Mycoplasma

8. ___________ component of cell wall has grreat affinity with water?

   A. Lignin
   B. Cellulose
   C. Pectin
   D. All of these

9. The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?

   A. Diatoms
   B. Desmids
   C. Pyrrophyta
   D. Chlorophyta

10. Cell wall is extremely well preserved in fossil specimens in__________?

    A. Diatoms
    B. Dinoflagellates
    C. Slime moulds
    D. None of these