Ephemeral xerophytes are those that are:

Related Mcqs:

1. 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

2. Xerophytes are generally found in:

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

3. 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

4. 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

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. Good soil is:

   A. Which allows limited amount of water to be retained into it
   B. Which allows water to pass through it very quickly
   C. Which allows percolation the water slowly from it
   D. Which holds whole of the water that enters into it

7. The nature of the soil carried by river is:

   A. Sandy
   B. Clayey
   C. Laterite
   D. Alluvial

8. The ecologically fixed and genetically irreversed component of species is called:

   A. Ecotone
   B. Ecological equivalents
   C. Ecotype
   D. None of these

9. According to Geiger, the percentage of light reflected by the clouds is:

   A. 9%
   B. 10%
   C. 48%
   D. 39%

10. Mark the rooted submerged hydrophyte:

    A. Potamogeton
    B. Najas
    C. Ranunculus
    D. None of these