BIOLOGY

BIOLOGY

I. Fill in the blanks.

1. The basic unit of biological classification is___________

2. The five kingdom classification was proposed by ___________

3. The cell wall of bacteria is chiefly made up of ___________

4. ___________ shows both plant and animal characteristics.

5. ‘Blight of rice’ is caused by _______ ________

6. The under surface of fern leaves have asexual reproductive structures called ___________

7. The kangaroo belongs to the group ___________

8. The skeleton of sponges has ___________ which are composed of calcium carbonate or silica

9. In ________ _______ the seeds are not enclosed within a fruit

10. In bacteria, during photosynthesis ___________ is not evolved.

11. Yeasts are classified in the kingdom ___________

12. In sharks, the heart is ___________ chambered.

13. Locomotion in echinoderms is by ______ .

14. ________ is the fungus commonly used in baking and alcohol preparation.

15. Respiration in insects takes place with the help of___________

16. In vertebrates, the notochord is replaced by ___________

17. ________ ________ in bony fishes helps to keep it a float.

18. Cucumaria is commonly called _____ .

19. The covering of the gills in bony fishes is known as _______ .

20. Earthworms are ___________ where as Ascaris is bisexual.

21. The organism which causes rheumatic fever.

22. Protozoan causing sleeping sickness.

23. Fish with lungs.

24. Organism which is called “club moss”.

25. The scientific name of sea horse.

26. Excretory organs of prawns.

27. Dentitian in which teeth are divided into incisors, canines, premolars and molars.

28. Stinging cells in Hydra.

29. The largest Indian bird.

30. Fastest running land animal.



ANSWERS

1. Species 2. Whittaker 3. Peptidoglycan 4. Euglena 5. Xanthomonaoryzae

6. Sori 7. Metatheria/marsuplia 8. Spicules 9. Gymnosperms 10. Oxygen

11. Fungi 12. Two 13. Tube feet 14. Yeast 15. Trachea

16. Vewrtebral column 17. Air bladders/ Swim bladder 18. Sea cucumber

19. Operculum 20. Hermaphrodites 21. Streptococcus spp.

22. Trypanosoma gambiense 23. Protopterus/ Neoceratodus/ Lepidosiren

24. Selaginella 25. Hippocampus 26. Green glands 27. Heterodontdentitian

28. Nematocyst 29. Sarus Crane 30. Cheetah