Xerophytes have longer root system:

Related Mcqs:

1. Deserts plants have longer root system because:

   A. High temperature of soil encourages root growth
   B. Low temperature at night encourages root growth
   C. Those plants adapted to produce long system can survive better in desert
   D. Roots grow in search of water

2. Ephemeral xerophytes are those that are:

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

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. Xerophytes means:

   A. Grow in desert or dry, hot, sandy place with scanty rainfall
   B. A desert habitant is characterized by Blarcity of water in soil, extremely dry intense light, high temp and strong winds
   C. Both (a) & (b)
   D. None of these

7. Root cap is absent in:

   A. Lithophytes
   B. Xerophytes
   C. Hydrophytes
   D. Mesophyte

8. Which one has feebly developed root system and numerous air cavities?

   A. Xerophytes
   B. Halophytes
   C. Hydrophytes
   D. Mesophytes

9. Method of development of root suckers in Shisham is:

   A. In case of bela forest, after feeling the shisham, trenches are made
   B. In other countries root suckers are produced differently i.e. They expose the roots of the stump and mark very small injuries on the roots on equal distance
   C. Both (a) & (b)
   D. None of these

10. A bacterium found in the root nodules of leguminous plants is the:

    A. Clostridium
    B. Azotobacter
    C. Nitrobacter
    D. Rhizobium