Which of the following animal has a hydrostatic skeleton?

Related Mcqs:

1. The skeleton of the sponges is in the form of variously shaped needle like structures called___________?

   A. Stripules
   B. Spicules
   C. Brails
   D. Spines

2. The skeleton of sponges is made up of___________?

   A. Calcium
   B. Silica
   C. Both of these
   D. None of these

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

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

4. Which of the following polysaccharide is called animal starch_________________?

   A. Starch
   B. Glycogen
   C. Cellulose
   D. None of these

5. Which one of the following is most likely to occur in an animal during winter?

   A. Activation of sweat glands
   B. Dilation of skin blood vessels
   C. Panting
   D. Thermogenesis

6. Which of the following animal uses Setae and Muscles for their Iocomotion?

   A. Cockroach
   B. Snail
   C. Earthworm
   D. Star fish

7. Which of the following animal excrete nitrogenous waste mainly as uric acid?

   A. Hydra
   B. Planaria.
   C. Humans
   D. Birds.

8. Which one of the following animal has two separate circulatory pathways?

   A. Shark
   B. Whale
   C. Frog
   D. Lizard

   Submitted by: Babar Ali Kunbhar

9. Which of the following cell organelles is absent in animal cells and present in a plant cell?

   A. Cell wall
   B. Cytoplasm
   C. Vacuoles
   D. Mitochondria

   Submitted by: Nayab Idrees

10. The character which appears physically in an animal is __________?

    A. Genotype
    B. Phenotype
    C. Heterotype
    D. Morphozygous

    Submitted by: Rashid Mehmood