Bean shaped cells in plants are: _________?

Related Mcqs:

1. Bean shaped cells in plants are_________?

   A. mesophyll cells
   B. xylem cells
   C. phloem cells
   D. guard cells

   Submitted by: Maryam Aftab

2. 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

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

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

   Submitted by: Ali Mallah

4. In plants, the neighbouring cells are connected with one another by__________?

   A. Plasmodesmata
   B. Cell walls
   C. Vacuoles
   D. Both ‘A’ & ‘B’

5. The method of reproduction of new plants by cells instead of seed is known is:___________?

   A. Tissue culture
   B. Mutation
   C. Antibiosis
   D. Recombination

   Submitted by: Fahad Mehsud

6. 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.

7. 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

8. The skeleton of the sponges is in the form of variously shaped needle like structures called___________?

   A. Stripules
   B. Spicules
   C. Brails
   D. Spines

9. Circular disc shaped structure with a round hole is ___________ ?

   A. Iris
   B. Pupil
   C. Horoid coat
   D. Ciliary body

   Submitted by: Rashid Mehmood

10. Stomata open due to _________ of K+ into the guard cells from the surrounding epidermis

    A. Diffusion
    B. Active transport
    C. Osmosis
    D. All of these