Which of the following feature is found in xerophytes?

Related Mcqs:

1. 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

2. Ephemeral xerophytes are those that are:

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

3. 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

4. Xerophytes are generally found in:

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

5. 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

6. Which one of the following is not a matching pair of certain organism/s and the kind of association?

   A. Shark and sucker fish-commensalism
   B. Algae and fungi in lichens-parasitism
   C. Orchids growing on trees-epiphytism
   D. Cuscuta (doder) growing on other flowering plants-epiphytism

7. As a result of fire, there is destruction of the following components of soil:

   A. Litter
   B. Organisms
   C. Inorganic matter
   D. All of these

8. Melanization generally involves the following zone:

   A. Horizon-B
   B. Horizon-A
   C. Horizon-C
   D. All of these

9. Which one of the following factors is biotic?

   A. Photoperiod
   B. CO2 content to the soil
   C. Texture and porosity of soil
   D. Rainfall

10. Which of the following are plants of one group?

    A. Mangifera and Rhizophora
    B. Rhizophora and Avicennia
    C. Rhizophora and Balanophora
    D. Avicennia and Balanophora