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Biology: Understanding Life
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Biology: Understanding Life
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25 Questions

1. Which of the following classes of the phylum protozoa are most varied in their nutrition?
2. The testes of Hydra are located
3. Which of the following is true about the protest euglena?
4. Body wall of coelenterates is described as
5. The only freshwater species of sponges is
6. Fungi consume dead organic matter and thus play an important role in an ecosystem by
7. Plastids and photosynthetic pigments are lacking in members of
8. A sectional plane at right angles to the anterior-posterior axis of the body of an animal is
9. Water has covalent bonds because the oxygen and hydrogen atoms
10. The smallest unit of classification of animals is
11. Which of the following Kingdom’s members are multicellular AND autotrophic?
12. An ionic bond is formed when two atoms
13. Which Kingdom contains organisms that are able to produce nitrates from the nitrogen in the air?
14. A non-living rock has a relatively simple organization. However, living organisms
15. Which of the following statements is true about the binomial nomenclature system of classification?
16. Life depends upon
17. Which of the following are carbohydrate molecules that provide quick energy for cells, especially brain cells?
18. Six septa or six mesenteries are characteristic of
19. Which of the following is called ‘Blood fluke’ of man?
20. Plasmodium trophozoite lives in
21. Animals of phylum Porifera are characterized by
22. Why do members of the Fungi Kingdom produce spores?
23. Which Kingdom contains organisms that have plant-like and animal-like characteristics?
24. Irritability refers to an organism’s ability to
25. Which of the following elements is not found in carbohydrates?