Which of the following cells are involved in soft callus formation?

Related Mcqs:

1. Bony callus formation completes in___________?

   A. 2-3 weeks
   B. 3-4 weeks.
   C. 2-3 months.
   D. 3-4 months.

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

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

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. All of the following are involved in nitrification except

   A. Nitrobacter
   B. Nitrosomonas
   C. Rhizohium
   D. All of these

6. Which of the following ions are involved in the initiation of nerve impulse_______________?

   A. Na+
   B. K+
   C. Fe
   D. none of these

7. Which one of the following is different from all the rest regarding the number of cells inits body_______________?

   A. Rusts
   B. Mushrooms
   C. Molds
   D. Yeasts

8. which of the following consists of the dead cells?

   A. Parenchyma

   B. collenchyma
   C. sclerenchyma
   D. none of these

9. Which of the following cells secrete insulin?

   A. Alpha cells
   B. Delta cells
   C. Nerve cells
   D. Beta cells

   Submitted by: Malik Asghar Hussain

10. 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