1.  Energy transformation is never 100% efficient because of

2.  The defining characteristic of living beings is

3. Phylogenetic classification is based on

4. Binomial nomenclature was given by

5. A system which gets a continuous flow of energy is called

6. Taxonomic studies depends on

7. Two taxonomic species are distinguished from each other by

8. In a scientific name, the name of the author is printed in

9. A group of closely related classes is called

10. Which is less general in characters as compared to genus

11. Wheat belongs to division ______.

12. The ozone layer is found in the

13. Which of the following shows maximum diversity?

14. Systematics deals with

15. As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics

16. A group of plants and animals with similar traits of any rank is

17. The term phylum was given by

18. Which of the following is correct?

19. Scientific name of plants are given by

20. Energy flow and energy transformation in a living system follow