Biological classification
1. Pick up the wrong statement
(a) Protista have photosynthetic and heterotrophic modes of nutrition
(b) Some fungi are eible
(c) Nuclear membrane is present in Monera
(d) Cell Wall is absent in Animalia
ANS: C
2. Five Kingdom system of classification suggested by R.H.Whittaker is not based on :
(a) Presence or absence of a well defined nucleus.
(b) Mode of reproduction
(c) Mode of nutrition
(d) Complexity of body organisation
ANS: A
3. In the five-kingdom system of classification, which single kingdom out of the following can include blue green algae, nitrogen-fixing bacteria and methanogenic archaebacteria ?
(a) Fungi
(b) Plantae
(c) Protista
(d) Monera
ANS: D
4. In the five kingdom system, the main basis of classification is
(a) structure of nucleus
(b) mode of reproduction
(c) structure of cell wall
(d) asexual reproduction.
ANS:B
5. A system of classification in which a large number of traits are considered, is
(a) artificial system
(b) synthetic system
(c) natural system
(d) phylogenetic system
ANS: C
6. Phylogenetic classification is based on
(a) utilitarian system
(b) habits
(c) overall similarities
(d) common evolutionary descent
ANS: D
7. Artifical system of classification was first used by
(a) Linnaeus
(b) De Candolle
(c) Pliny the Elder
(d) Bentham and Hooker
ANS : C
8. System of classification used by Linnaeus was
(a) natural system
(b) artificial system
(c) phylogenetic system
(d) asexual system
ANS : B
9. Classification given by Bentham and Hooker is
(a) artificial
(b) natural
(c) phylogenetic
(d) numerical
ANS : B
10. Which among the following is not a prokaryote?
(a) Saccharomyces
(b) Mycobacterium
(c) Oscillatoria
(d) Nostoc
ANS: A
11. Which of the following are found in extreme saline conditions ?
(a) Eubacteria
(b) Cyanobacteria
(c) Mycobacteria
(d) Archaebacteria
ANS: B
12. Which of the following components provides sticky character to the bacteria cell ?
(a) Nuclear membrane
(b) Plasma membrane
(c) Glycocalyx
(d) Cell Wall
ANS: A
13. Which of the following structures is not found in a prokaryotic cell?
(a) Ribosome
(b) Mesosome
(c) Holdfast
(d) Nuclear envelope
ANS: D
14. The structures that help some bacteria to attach to rocks and / or host tissues are :
(a) Fimbriae
(b) Flagella
(c) Cilia
(d) Pilli
ANS: C
15. Archaebacteria differ from eubacteria in :
(a) Cell membrane
(b) Mode of nutrition
(c) Cell Shape
(d) Mode of reproduction
ANS: A
16. The motile bacteria are able to move by
(a) Fimbriae
(b) Flagella
(c) Cilia
(d) Pilli
ANS: B
17. Which of the following are likely to be present in deep sea water ?
(a) Eubacteria
(b) Blue-green algae
(c) Saprophytic fungi
(d) Archaebacteria
ANS: D
18. Specialized cells for fixing atmospheric nitogen in Nostoc
(a) Akinetes
(b) Heterocysts
(c) Hormogonia
(d) Nodules
ANS: B
19. The cynobacteria are also reffered to as
(a) protists
(b) golden algae
(c) slime moulds
(d) bluegreen algae
ANS: D
20. Organisms called methanogens are most abundant in a
(a) sulphur rock
(b) cattle yard
(c) polluted stream
(d) hot spring
ANS: A
21. In eubacteria, a cellular component that resembles eukaryotic cells is
(a) plasma membrane
(b) nucleus
(c) ribosomes
(d) cell wall
ANS: B
22. Bacterial leaf blight of rice is caused by a species of
(a) Xanthomonas
(b) pseudomonas
(c) Alternaria
(d) Erwinia
ANS : A
23. Which one of the following statements about mycoplasma is wrong?
(a) They are pleomorphic
(b) They are sensitive to penicillin
(c) They cause diseases in plants
(d) They are also called PPLO.
ANS: B
24. In which of the animals dimorphic nucleus is found ?
(a) Amoeba proteus
(b) Trypanosoma gambiense
(c) Plasmodium vivax
(d) paramecium caudatum
ANS:D
25. Which bacteria is utilized in gobar gas plant ?
(a) Methanogens
(b) Nitrifying bacteria
(c) Ammonifying bacteria
(d) Denitrifying bacteria
ANS: A
26. What is true for archaebacteria?
(a) All halophiles
(b) All photosynthetic
(c) All fossils
(d) Oldest living beings
ANS: D
27. The main difference in Gram(+ve) and Gram (-ve) bacteria resides in their
(a) cell wall
(b) cell membrane
(c) cytoplasam
(d) flagella
ANS: A
28. Photosynthetic bacteria have pigments in
(a) Leucoplasts
(b) chloroplasts
(c) chromoplasts
(d) chromatophores
ANS: D
29. Sex factor in bacteria is
(a) Chromosomal replication
(b) F-replication
(c) RNA
(d) Sex-pilus
ANS: B
30. Nitrogen fixer soil organisms belong to
(a) mosses
(b) bacteria
(c) green algae
(d) soil fungi
ANS: B
31. Entameoba coli causes
(a) Pyrrhoea
(b) Diarrhoea
(c) Dysentry
(d) None
ANS: D
32. Escherichia coli is used extensively in biological research as it is
(a) easily cultured
(b) easily avaible
(c) easy to handle
(d) easily multiplied in host
ANS: A
33. Geneophore/bacterial genome or nucleiod is made of
(a) histones and nonhistones
(b) RNA and histones
(c) a single double stranded DNA
(d) a single stranded DNA
ANS: C
34. Bacteria lack alternation of generation because there is
(a) neither syngamy nor reduction division
(b) distinct chromosomes are neither
(c) no conjuction
(d) no exchange of genetic material
ANS: A
35. Which one belongs to monera ?
(a) Amoeba
(b) Escherichia
(c) Gelidium
(d) spirogyra
ANS: B
36. Which of the following organisms are known as chief producers in the ocean ?
(a) Amoeba
(b) Escherichia
(c) Gelidium
(d) Spirogyra
ANS: B
37. In the five kingdom classification, chlamydomonas and chlorella have been included in
(a) protista
(b) fungi
(c) archae
(d) monera
ANS: A
38. The thalliod body of a slime mould is known as
(a) plasmodium
(b) fruiting body
(c) mycelium
(d) protonema
ANS; A
39. Auxopores and hormocytes are formed respectively by
(a) some diatoms and several cyanobacteria
(b) some cyanobacteria and diatoms
(c) several cyanobacteria and several diatoms
(d) several diatoms and a few cyanobacteria
ANS:D
40. In Amoeba and paramecium osmoregulation occurs through
(a) pseudopodia
(b) nucleus
(c) contractile vacoule
(d) general surface
ANS:C
Comments
Post a Comment