Xerophytes means:

Related Mcqs:

1. Ephemeral xerophytes are those that are:

   A. Drought resisting
   B. Drought escaping
   C. Drought enduring
   D. None of these

2. Xerophytes have longer root system:

   A. To grant mechanical support
   B. Due to light factor
   C. To draw water from deeper zones
   D. None of the above

3. Xerophytes are generally found in:

   A. Deserts
   B. Water
   C. Hills
   D. Water bank

4. Which of the following feature is found in xerophytes?

   A. Equally developed palisade and spongy parenchyma
   B. Multistratose epidermis
   C. Non-functional stomata
   D. None of these

5. Which of the following is not the characteristic feature of the anatomy of xerophytes?

   A. Spongy paraenchyma
   B. Well developed conducting tissue
   C. Well developed mechanical tissue
   D. Thick cuticle

6. Hydrophytes (Aquatic Plants) means:

   A. A reduction of the protective, conducting and supporting tissues
   B. Absences of palisade tissue
   C. Both (a) & (b)
   D. None of these

7. Forest Ecosystem means:

   A. The produces in forest are actual at different strata from the ground level to the canopy of trees.
   B. The litter and consequently the humus layers is thick
   C. Both (a) & (b)
   D. None of these

8. Plant succession means:

   A. A change in the composition and nature of plant community of particular habitat over the years
   B. Any habitat can be studied systematically provided the area is free from any external disturbance
   C. Both (a) & (b)
   D. None of these

9. Hygrophytes (Moisture loving plants) means:

   A. The pants are usually stunted in growth
   B. Roots and stem are poorly developed
   C. Leaves are large and tend to avoid water less lam transpiration
   D. All of the above

10. Mesophytes means:

    A. Are ordinary plants growing under average conditions
    B. The occupy intermediate conditions between xerophyte and hydrophytes
    C. Some trees and stress with deciduous leaves show marked seasonal differences
    D. All of the above