Which of the following animals do not have jaws?

Related Mcqs:

1. The greatest diversity of animals in the lake is found in which one of the following zones?

   A. Limmnetic zone
   B. Littoral zone
   C. Profundal zone
   D. None of these

2. Of the following which one is non-cellular in most cases in animals?

   A. Mesenchyme
   B. Sclerenchyma
   C. Chlorenchyma
   D. Mesoderm

3. Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?

   A. Cockroach
   B. Earthworm
   C. Aves
   D. Frogs

4. In animals coordination is achieved by means of?

   A. Nervous system
   B. Endocrine system
   C. Respiratory system
   D. Both A and B

5. Animals that eat plants are called___________________?

   A. Herbivores
   B. Consumer
   C. Carnivores
   D. Omnivores

   Submitted by: Yalmaz Fahim

6. Animals of which class of arthropoda are present everywhere_____________?

   A. Crustacean
   B. Insecta
   C. Arachnida
   D. Myriapoda

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

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

8. In animals excess of nitrogen is excreted primarily in form of___________?

   A. Creatinine
   B. Trimethyamine oxide
   C. Pyrimidine
   D. Ammonia

9. Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?

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

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