Diversity in living organisms Worksheet-11

Diversity in living organisms Worksheet-11


  1. Which of the following group has mucus glands in their skin?

A. Pisces                                         B. Reptiles

C. Amphibians                              D. Aves


  1. Which of the following is a nematode?

A. Hydra                                         B. Earthworm

C. Roundworm                             D. Planaria


  1. Which of the following is absent in amphibians?

A. Scales                                         B. Gills and lungs

C. Three chambered heart         D. Mucus glands


  1. Organisms that can survive in extreme conditions are placed in:

A. Bacteria                                     B. Cyanobacteria

C. Aracheabacteria                      D. None of these


  1. Radial symmetry is found in ____.

A. Protozoa                                    B. Coelenterata

C. Flatworms                                D. Arthropoda


  1. Binomial nomenclature was introduced by

A. John Ray                                   B. A. P. de Candolle

C. A. L. de Jussien                        D. Carolus Linnaeus


  1. Which of the following group of plants lacks tissue for conduction of water

A. Bryophyte                                  B. Pteridophyta

C. Gymnosperms                          D. Angiosperms


  1. Which of the following group is comprised of marine organisms?

A. Echinodermata                        B. Mollusca

C. Pisces                                         D. Reptilia


  1. Fish that belong to Chondricthyes have which of the following features?

A. Cartilaginous skeleton

B. Gills covered by operculum

C. Heterocercal caudal fin

D. Ventral mouth


  1. in mollusca, shell is made up of:

A. calcium carbonate                  B. calcium pectate

C. Chitin                                         D. Cellulose


Answer Key:

  1. B
  2. C
  3. D
  4. C
  5. B
  6. D
  7. A
  8. A
  9. B
  10. A