How many spiracles are present in cockroach_____________?

Related Mcqs:

1. Number of spiracles present in cockroach is___________?

   A. 15
   B. 10
   C. 20
   D. 30

2. Number of spiracles present in the thorax of cockroach is___________?

   A. 2
   B. 3
   C. 5
   D. 4

3. When abdomen expands, the number of spiracles open is_____________?

   A. 2
   B. 3
   C. 6
   D. 8

4. The cells present in testes and secrete testosterone are___________?

   A. Sertoli cells
   B. Germinal cell
   C. Interstitial cells
   D. Spermatocyte

5. In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?

   A. 1%
   B. 2%
   C. 3%
   D. 4%

6. Which of the following bone is not present in the hind-limb?

   A. Femur
   B. Tibia
   C. Radius
   D. Fibula

7. How many vertebrae are present in vertebral column of man?

   A. 33 vertebrae
   B. 33 pairs of vertebrae
   C. 25 vertebrae
   D. 31 vertebrae

8. Protonephridia are present in____________?

   A. Round worms
   B. Flateworm
   C. Tape worms
   D. Segmented worms

9. Thick, waxy & leathery cuticle around leaves is present in___________?

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

10. Sex chromosomes present in female are _________?

    A. XY
    B. XX
    C. XXY
    D. XXX

    Submitted by: Hasnain Ali