Deoxygenated blood first enters in _________ part in fishes?

Related Mcqs:

1. Blood vessels which carry deoxygenated blood are called__________?

   A. Arteries
   B. Veins
   C. Capillaries
   D. None of these

   Submitted by: Nayab Idrees

2. All of the following veins carry deoxygenated blood except

   A. Superior vena cava
   B. Inferior vena cava
   C. Hepatic vein
   D. Pulmonary vein

   Updated by: Muhammad sana

3. If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?

   A. 40%
   B. 45%
   C. 50%
   D. 71%

   Submitted by: Rashid Mehmood

4. The blood enters the ________________ side of heart ?

   A. Posterior
   B. Anterior
   C. Lateral
   D. All possible

5. Arterial blood contains _________ of CO2 per 100 ml of blood

   A. 54 ml
   B. 60 ml
   C. 64 ml
   D. 50 ml

6. The normal range of the number of white blood cells in a microliter of blood is between _________ ?

   A. 2,500 and 09,300
   B. 4,500 and 10,000
   C. 4,900 and 12,000
   D. None of these

   Submitted by: Rashid Mehmood

7. Which of the following fishes contained lungs?

   A. Lamprey
   B. Perch
   C. Plaice
   D. Dipnoi

8. Fishes, most of the invertebrates and amphibians are examples of ________ animals?

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

9. Which of the following marine fishes are considered direct descendents of fresh water ancestors?

   A. Hagfish
   B. Jelly Fish
   C. Star Fish
   D. Bony fishes

10. Scolidon or dog fish belong to the group of fishes called__________?

    A. Cartilaginous fishes
    B. Bony fishes
    C. Running fishes
    D. Jawless fishes