Gaseous exchange in birds occurs at level of_______________?

Related Mcqs:

1. At which times there is no net gaseous exchange between leaves and the atmosphere.

   A. Day time.
   B. Night time.
   C. Dawn & Dusk.
   D. Mid night.

2. Gaseous exchange through the skin is known as ______________ respiration?

   A. Cuticular
   B. Cutaneous
   C. Skin
   D. Pulmonary

3. Adult birds normally possess only one functional____________?

   A. Ureter
   B. Ovary
   C. Lung
   D. Testis

4. In most birds air sacs are ____________ in number?

   A. 10
   B. 3
   C. 4
   D. 9

5. Bats & humming birds belong to___________?

   A. Endotherms
   B. Ectotherms
   C. Heterotherms
   D. Homeotherms

6. Fibers of the extracellular matrix is the characteristics of_______________?

   A. Plant cell wall
   B. Bacterial cell wall
   C. Cell membrane of bacteria
   D. Fluid mosaic model of cell membrane

7. Joints present in skull are example of_______________?

   A. Fibrous joints
   B. Cartilaginous joints
   C. Synovial Joints
   D. Slightly moveable joints

8. The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?

   A. Neutral point
   B. Compensation point
   C. Parallel point
   D. Competitive point

9. Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

   A. Hydathods
   B. Stomata
   C. Lenticels
   D. None of these

10. The higher animals have special organs for exchange of gases as their skin is ___________ ?

    A. Thin
    B. Thick
    C. Soft
    D. Hard

    Submitted by: Rashid Mehmood