16. The classification given by Bentham and Hooker is
a) Artificialb) Naturalc) Numericald) Phylogenetic
17. Artificial system of plant classification was proposed by
a) de Candolleb) Bentham and Hookerc) Theophrastusd) Engler and Prantl
18. The largest herbarium of the world is located in
a) New Yorkb) Kewc) Genevad) Berlin
19. Biosystematics aims at
a) the classification of organisms based on road morphological charactersb) Identification and arrangements of organisms on the basis of their cytological characteristicsc) Delimiting various taxa of organisms and establishing their relationshipsd) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
20. In five kingdom system, the main basis of classification is
a) Structure of nucleusb) Structure of cell wallc) Mode of nutritiond) Asexual reproduction
21. Phylogenetic system of classification is based on
a) Floral charactersb) Evolutionary relationshipsc) Morphological featuresd) Chemical constituents
22. T. O. Diener discovered a
a) Free infectious DNAb) bacteriophagec) Free infectious RNAd) Infectious protein
23. Viroids differ from viruses in being
a) Naked DNA moleculesb) Naked DNA with viral genomec) Naked RNA molecules onlyd) Satellite RNA with viral genome
24. The Protists have
a) Only free nucleic acid aggregatesb) Membrane bound nucleoproteins lying embedded in the cytoplasmc) Gene containing nucleoproteins condensed together in loose massd) Nucleoprotein in direct contact with the rest of the cell substance
25. Mycorrhiza is correctly described as
a) Parasitic association between roots and some fungib) relation of ants with the stem of some treesc) Symbiosis of algae and fungid) Symbiotic relationship between fungi and roots of some higher plants
Answers
16. b) Natural
17. c) Theophrastus
18. b) Kew
19. d) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
20. c) Mode of nutrition
21. b) Evolutionary relationships
22. c) Free infectious RNA
23. c) Naked RNA molecules only
24. b) Membrane bound nucleoproteins lying embedded in the cytoplasm
25. d) Symbiotic relationship between fungi and roots of some higher plants
Tags:
Artificial system of classification
Biosystematics
five kingdom system
largest herbarium
mcq on biological classification
Mycorrhiza
Phylogenetic system
viroids