Dorsal root of spinal nerves contain only __________ ?

Related Mcqs:

1. It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates

   A. Placenta
   B. Notochord
   C. Cranianta
   D. Ligule

2. Number of pairs of cranial nerves is__________?

   A. 10
   B. 11
   C. 12
   D. 13

3. It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature________________?

   A. Parkinson’s disease
   B. Epilepsy
   C. Alzheimer’s discease
   D. Dementia

4. Root like structure in saprotrophic fungi are called_______________?

   A. Rhizodis
   B. Haustoria
   C. Hyphae
   D. Constricting rings

5. An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called______________?

   A. Mycorrizael association
   B. Endomycorrhizae
   C. Ectomycorrhizae
   D. Lichen

6. In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.

   A. Tonoplast
   B. Apoplast
   C. Symplast
   D. Vacuolar.

7. Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?

   A. 600 Kpa
   B. 800 Kpa
   C. 1000 Kpa
   D. 900 Kpa

8. It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?

   A. Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
   B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
   C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
   D. Older sediment layers did not have these radioactive isotopes

9. Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?

   A. Pollen grain
   B. Ovule
   C. Microgametophyte
   D. Microsporangium

10. All of the following contain cartilage except:___________?

    A. Larynx
    B. Trachea
    C. Bronchi
    D. Bronchioles