Tag: IIT JAM Biotechnology Previous Year Question paper Topic Wise

30. In ecotone, some species become abundant and they are called (A) sibling species (B) endemic species (C) rare species (D) edge species Species That Become Abundant in an Ecotone […]

29. Radial symmetry is the characteristic feature of which of the following phyla? (A) Arthropoda (B) Mollusca (C) Cnidaria (D) Chordata Radial Symmetry Is the Characteristic Feature of Phylum Cnidaria […]

28. Which of the following is NOT an example of an adaptive defense mechanism against predation? (A) Bright colors of bird pollinated flower (B) Insect that resembles a stick (C) […]

27. The natural geographical distribution of kangaroos is limited to the Australian continent because (A) abiotic factors determine the distribution (B) dispersal is limited by accessibility to other continents (C) […]

26. Pyramid of energy in a forest ecosystem is (A) always inverted. (B) dumb-bell shaped. (C) spindle shaped. (D) always upright. Pyramid of Energy in a Forest Ecosystem Is Always […]

25. The evolution of eyes in octopus and in human is an example of . (A) divergent evolution (B) convergent evolution (C) adaptive radiation (D) genetic drift Evolution of Eyes […]

24. In a sampling expedition near a peninsula, 180 dolphins from a large population of dolphins were captured and marked by tagging their dorsal fins. The tagged dolphins were then […]

23. A forest has four different tree species (A,B,C and D) and their numbers are: A = 60; B = 20; C = 10 and D = 10. The Shannon […]

22. Identify the taxa that constitute a paraphyletic group in the given phylogenetic tree? (A) A,B,C (B) D,E,F (C) B,C,D (D) C,D,E Paraphyletic Group in a Phylogenetic Tree: Identifying the […]

21. Match the pair of organisms in Group I with their community interaction pattern in Group II. Group I Group II P. Cattle egrets – African buffalo 1. Competition Q. […]