Most of the marine invertebrates are__________?

Related Mcqs:

1. Second largest phylum of invertebrates is____________?

   A. Porifera
   B. Arthropoda
   C. Mollusca
   D. Chordata

2. _______ are the first group of invertebrates which have developed a closed circulatory system.

   A. Nematods
   B. Annelids
   C. Arthropods
   D. Molluscs

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

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

4. The biggest group of invertebrates is_________?

   A. Worms
   B. Insects
   C. Jelly fish
   D. None of these

   Submitted by: Neelam Parri

5. Largest invertebrates is _____________ ?

   A. Earthworm
   B. Euglena 
   C. Squids 
   D. Star fish

   Submitted by: Shahjahan junejo

6. The most important group of producers in marine ecosystem is of__________?

   A. Diatoms
   B. Euglenoids
   C. Dinoflagellates
   D. Brown algae

7. Exoskeleton of a marine snail is composed of________________?

   A. CaPO4
   B. CaCO3
   C. CaSO4
   D. SiO2

8. 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

9. Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining.

   A. Excessive urea which will increase their internal solute concentration and prevent body shrinkage in hypertonic environment
   B. Trimethyl alanine
   C. Ammonia
   D. Trimethylamine oxide

10. Spores produced by slime molds are__________?

    A. Haploid
    B. Diploid
    C. Triploid
    D. None of these