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20. Sequence comparison of which of the following genes is used as a measure of evolutionary divergence across bacterial species? (A) pbpG (B) slyD (C) 16S rRNA (D) 18S rRNA […]

19. Which of the following terrestrial biomes has the highest animal diversity? (A) Tropical forest (B) Savanna (C) Chaparral (D) Tundra Terrestrial Biome with the Highest Animal Diversity Detailed Explanation […]

18. A wooden plant accumulates 10 mg kg⁻¹ of ¹⁴C during its life span. A fossil of this plant was discovered and contains 2.5 mg kg⁻¹ of ¹⁴C. The age […]

17. Which of the following statement(s) about the effect of genetic drift is/are correct? (A) It can cause changes in the frequency of alleles at random (B) It is a […]

16. Which of the following is/are example(s) of a lotic ecosystem? (A) Lake (B) Pond (C) River (D) Stream Examples of a Lotic Ecosystem: River and Stream Explained Detailed Explanation […]

15. Genes in two species that are derived from the same ancestral gene in their most recent common ancestor are called (A) analogs (B) heterologs (C) orthologs (D) paralogs Genes […]

14. Competition between two populations in an ecosystem is (A) beneficial (+) to both the populations (B) deleterious (–) to both the populations (C) beneficial (+) to one population, but […]

13. The correct hierarchy of taxa in the Linnaean classification of eukaryotes is (A) kingdom, class, phylum, order, family, genus (B) kingdom, order, class, phylum, family, genus (C) kingdom, phylum, […]

12. Which of the following option(s) represent(s) the evolutionary relationship between the bird and bat wings as structures for flying? (A) analogous (B) convergence (C) divergence (D) homologous Evolutionary Relationship […]

11. A species of fish living in a lake are separated by drying up of the lake into two separate lakes. After several hundreds of years of separation, the two […]