Quiznetik

Biology | Set 26

1. Which one is related with steriods ?

A. Citric acid

B. Butyric acid

C. Acetic acid

D. Palmitic acid

Correct : C. Acetic acid

2. Which is used to prevent blood clotting in blood vessels ?

A. Steriod

B. Cyclo sporin-A

C. Streptokinase

D. Stetins

Correct : C. Streptokinase

3. Which is to be used in production of swiss cheese ?

A. Monoscus Purpureu

B. Clostridium bacterium

C. Lacto Bacillus

D. Saecharhomyces Cerrevisiae

Correct : B. Clostridium bacterium

4. Which option is related with the utility of lectic acid ?

A. In fermantation, to prepare pickle

B. useful for preparing curd from milk

C. To increase the quality of vitamin B12

D. All the given.

Correct : D. All the given.

5. Which one is useful as a immunosuppresive agent in organ transplant ?

A. Cyclosprin-C

B. Cyclosporin-L

C. Cyclosporin-A

D. All the given

Correct : C. Cyclosporin-A

6. Which bacteria is useful for purification in sewage treatment ?

A. Hetrotrop

B. Symbiont

C. Free living

D. Parasist

Correct : A. Hetrotrop

7. Which assertion is correct ?

A. There is role of ministry of forest and environment in developing biogas technology.

B. Micro organism are used as a bio control agent by IARI.

C. Biofertilisers are used over chemical fertilizer to redused pollution.

D. Chemical fertiliser are used to form biofertiliser.

Correct : C. Biofertilisers are used over chemical fertilizer to redused pollution.

8. To which, function baculo virus is involve ?

A. Produces deases some arthropods and insect.

B. Produces deases in todes neme.

C. Produces deases in fungus.

D. Produces Insectisides.

Correct : A. Produces deases some arthropods and insect.

9. Which one is related with monoscus pupurous ?

A. Streptokinase - To prevent blood clotting.

B. Cyclosporin- A - Immunosuppresser

C. Stetins - Decreases the cholesterole in blood

D. All the given

Correct : C. Stetins - Decreases the cholesterole in blood

10. Full form of BOD.

A. Biological Oxygen Demand

B. Bio Oxygen Demand

C. Biochemical Oxygen Demand

D. Biochemical Oxygen Degreadable

Correct : C. Biochemical Oxygen Demand

11. Which is the group of autotroph micro organisms ?

A. Anabaena, Nostoc, Glomus, Trichoderma

B. Aceletoria, Anabaena, Cynobacteria, Rhizopus.

C. Nostoc, Aspergilus, Anabaena, Rhizopus

D. Acelatoria, Anabaena,Nostoc, Cynobacteria.

Correct : D. Acelatoria, Anabaena,Nostoc, Cynobacteria.

12. By which process floating debris and grit are removed in STPs respectively ?

A. Filteration and Sedimentation

B. Filteration and Distilation

C. Sedimentation and Filteration

D. Only Filteration

Correct : A. Filteration and Sedimentation

13. Which is useful to control Nematodes in cearel crops ?

A. Bionemotocide

B. Fungicides

C. Weedicides

D. Incecticeides

Correct : A. Bionemotocide

14. Which sentence is odd ?

A. Progesteron is useful as a immuno suppressor

B. Stetins is useful to reduse cholesterole

C. Streptokines is useful to prevent blood clotting

D. Lipase is useful to remove oily stains

Correct : A. Progesteron is useful as a immuno suppressor

15. Which micro organism is involved in flocks as well as in michorrhiza ?

A. Bacteria

B. Virus

C. Fungus

D. Algae

Correct : C. Fungus

16. Find odd group out :-

A. Carbomycin, bactitracin, tetracytidine, fumagillin

B. Butaric acid, Isotric acid, Lectic acid, Melic acid

C. Amylase, Protease, Lipase, Csellulase

D. Glucomylase, Renin, Glucose Oxicide

Correct : B. Butaric acid, Isotric acid, Lectic acid, Melic acid

17. Which pest is obtained from Pseudononas ?

A. Quantum-400

B. Quantum-4000

C. Quantum-40000

D. Quantum-40

Correct : B. Quantum-4000

18. Which organism is useful to prepare Alcohol ?

A. Saccherohmy Ceribicie

B. Streptomycis Saccheromysis

C. Streptococus cerbicie

D. Saccherohmycis Cerevisiae

Correct : D. Saccherohmycis Cerevisiae

19. Which pair is odd ?

A. Rhizobium-Symbiotic bacteria

B. Glamus-Symblotic fungus

C. Trichoderma-Free living bactaria

D. Azatobector-Free living bactaria

Correct : C. Trichoderma-Free living bactaria

20. Which is correct sequence for purification process of STPs ?

A. Primary Sludge EffluentFlocks Active Sludge Biogas

B. Flocks Primary Sludge Effluent Active Sludge Biogas

C. Primary Sludge Effluent Active Sludge Flocks Biogas

D. EffluentFlocks Primary Sludge Active Sludge Biogas

Correct : A. Primary Sludge EffluentFlocks Active Sludge Biogas

21. Which product is synthesized by micro organism at commerical level for mankind ?

A. Vaccine

B. Biofuel

C. Alcohol

D. All the given

Correct : D. All the given

22. Effluent means....

A. Water remaining under the primary sludge.

B. Solid compunds of the sedimentation

C. Water remaining over the primary sludge

D. Flocks forms from the primary sludge.

Correct : C. Water remaining over the primary sludge

23. Which group of micro organism is useful as a bio control agent ?

A. Cynobacteria, Bacula virus, Trichoderma

B. Trichoderma, Psuedomonas, Bacillus Thuringiensis

C. Rhizhobiam, Cynobacteria, Psuedomonas

D. All the given

Correct : B. Trichoderma, Psuedomonas, Bacillus Thuringiensis

24. Which bacteria are useful in anaerobic sludge digestures tank ?

A. Hypo geal

B. Aerobic

C. Free living

D. Aneorobic

Correct : D. Aneorobic

25. Which one correct for the free living and symbiotic funges ?

A. Glomus and Rhyzopu

B. Glomus and Azospirillum

C. Trichoderma and Rhizopus

D. Trichoderma and Azospirillum

Correct : B. Glomus and Azospirillum

26. Formation of flocks means....

A. Assoicated of virus with the bacteria remains in water

B. Bactaria which associated with the mychoriza of the fungus of water

C. Bactaria which associated with the mychorriza of the fungus of soil

D. Bactaria which associated with the solid waste of the water

Correct : B. Bactaria which associated with the mychoriza of the fungus of water

27. In which tank flocks is sedimenated and forms respectively ?

A. Settling tank, Aeration tank

B. Aeration tank, Effluent tank

C. Aeration tank, Settling tank

D. Effluent tank, Anearoble tank

Correct : A. Settling tank, Aeration tank

28. Who has established Ganga nad Yamuna action plan ?

A. IARI

B. KVIC

C. Ministry of forest and Environment

D. Integrated pest control management

Correct : C. Ministry of forest and Environment

29. What is sedimantated flocks ?

A. Passive sludge

B. Primary sludge

C. Active sludge

D. None of them

Correct : C. Active sludge

30. Which statement is correct for STPs ?

A. Value of BOD is decrease in effluent.

B. Flocks is sedimanted in settling tank.

C. At end of process biogas is form

D. (d) All the given

Correct : D. (d) All the given

31. Which odd for mixed gases which produces in anerobic sludge diagesters ?

A. CO2

B. CH4

C. H2S

D. CH3

Correct : D. CH3

32. Which bacteria is remain in alimentary canal of herbivorus ?

A. Azetobactor

B. Methenogens

C. Azospirillium

D. Bacillus

Correct : B. Methenogens

33. Which biological process will take place in STPs ?

A. Flock

B. Filteration

C. Sedimentation

D. (b) & (c) both

Correct : A. Flock

34. What is indirectly called the measurment of organic matter of water ?

A. BOD

B. DOB

C. COD

D. DOC

Correct : A. BOD

35. From which compound methane gas is produced by bacteria ?

A. lipase

B. Amylase

C. Cellulase

D. Protease

Correct : C. Cellulase

36. Which gas will produced in anearobic sludge digesteres ?

A. CO2

B. H2S

C. CH4

D. All the given

Correct : D. All the given

37. Which micro organism is irrelevent as a biocontrol agent ?

A. Viru

B. Bectaria

C. Algae

D. Fungus

Correct : C. Algae

38. Which scientist has invented Antibodies ? (KCET 2004)

A. Ernest chain

B. Howard Florey

C. Alexander Fleming

D. W.Fleming

Correct : C. Alexander Fleming

39. Which bacterial group is useful in biogas production ? (JIPMER 2000)

A. Rhizobium

B. Methanogens

C. Argonotrocs

D. Eubectaria

Correct : B. Methanogens

40. Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ? (AFMC 1998)

A. Azospyrillium

B. Clostridium

C. Azotobactor

D. Rhizobium

Correct : D. Rhizobium

41. Which living organism works as bio-fertiliser ? (PMT 1998)

A. Azzola

B. Clostridium

C. Azotobactor

D. Rhizobium

Correct : A. Azzola

42. Which micro organism is useful in production of citric acid ? (CBSEPMT 1995)

A. Azotobactor

B. Penicillium

C. Asperzilus niger

D. Clostridium

Correct : C. Asperzilus niger

43. By which process cheese and toddy is obtained ? (PMT 1998)

A. Fermantation

B. Distillation

C. Pasuirisation

D. Hydrolisis

Correct : A. Fermantation

44. To which BOD is related ? (MP MPT 2002)

A. Microbes and organic matter

B. Organic compound

C. Microbes

D. None of them

Correct : B. Organic compound

45. Which organism is useful to produce Riboflavin ? (CBSEPMT 1999)

A. Arabia hossipae

B. Saccharhomyces Cervisiae

C. (a) & (b) both

D. None of them

Correct : A. Arabia hossipae

46. Bacillus thuringiensis is useful in.... (CBSEPMT 2005)

A. Bio fertiliser

B. Biometalogical

C. Biotoxic plant

D. Bio product plant

Correct : C. Biotoxic plant

47. Bio fertilizer means......

A. Crop which shows rapid growth

B. Cow dung and agricultural west

C. prepared by Anabaena and Nostoc

D. None of them

Correct : C. prepared by Anabaena and Nostoc

48. Which pair is correct ? (Kerala PMT 2007) 1 - Cynobacteria - Bio pestisides 2 - Mychorriza - Absorption of phosphurus 3 - Becillus thuringiensis - toxin 4 - Single cell protien - Rhizobium

A. 2

B. 3

C. 1

D. 4

Correct : B. 3

49. Which pair is odd ? (CBSEPMT 2007)

A. Yeast - Ethenol

B. Penicillium - Penicillin

C. Methenogens - Biogas

D. Streptococus - Stetins

Correct : D. Streptococus - Stetins

50. What is value of BOD of sewage water in comparision to normal water ?

A. More

B. Less

C. Normal

D. Zero

Correct : A. More

51. Which pair is correct ? (AIIMS 2003)

A. Rhizobium - Parasites of leguminous plant

B. Mychoriza - Absorbation of Phosphate

C. Yeast - Biogas production

D. Nostoc - Biofuel

Correct : B. Mychoriza - Absorbation of Phosphate

52. According to latest news BT cotton is widely cultivated, in that Bt cotton means....

A. Bigger thread variety

B. Cotton seeds treated with Barium

C. Produce by biotechnologycal enzymes ristiction endonueleus

D. Contains Endo toxin gene of B.T.

Correct : D. Contains Endo toxin gene of B.T.

53. Which are the main components of biogas ?

A. CH4 + CO2 + N2

B. CO2 + H2O

C. CH3 + O2

D. CO2 + H2

Correct : A. CH4 + CO2 + N2

54. Azospirillium and Azotobector for example of.....

A. Decomposer

B. Free living N2 fixative

C. Symbiotic N2 fixative

D. Pathogenes

Correct : B. Free living N2 fixative

55. How the ethenol is produce in industrial field ?

A. Saecheromisi

B. Clostridium

C. Aspergillus

D. Streptomysis

Correct : C. Aspergillus

56. Which option provides fertiliser as well as energy ?

A. rhizobium

B. Biogas

C. Fuel Plant

D. All the given

Correct : B. Biogas

57. Which one is true information for toxin Bt ?

A. Bt protien contains active toxins in bacillus

B. Active toxin enters into the ovary of insects and makes it sterile so as to stop the reproduction.

C. Becillius contains antitoxin material

D. Toxic enters into the alimentary canal of insects which results lethal for the insect.

Correct : D. Toxic enters into the alimentary canal of insects which results lethal for the insect.

58. By BOD which one is to be measured ?

A. Amount of organic matters of water.

B. Industrial waste of water Resources.

C. Amount of co which connected with Hb.

D. Amount of required O2 for dark reaction of green plants.

Correct : A. Amount of organic matters of water.

59. Match the following Column-I Column-II (P) Cyclosporin-A (i) Rhizopus nigricans (Q) Hydroxi Projegteron (ii) Monoscus Purpureus (R) Stetins (iii) Arebia Gossipi (S) Riboflavin (iv) Trhichoderma polysporum

A. (P-iv) (Q-ii) (R-i) (S-iii)

B. (P-iii) (Q-i) (R-ii) (S-iv)

C. (P-iii) (Q-i) (R-ii) (S-iv)

D. (P-iii) (Q-i) (R-iii) (S-ii)

Correct : C. (P-iii) (Q-i) (R-ii) (S-iv)

60. Match the following Column-I Column-II (P) Aspergilus niger (i) Butyric acid (Q) Clostridium butiricum (ii) Acetic acid (R) Azatobactor (iii) Lactic acid (S) Lactobacillus (iv) Citric acid

A. (S-i) (P-ii) (Q-iii) (R-iv)

B. (Q-i) (R-ii) (S-iii) (P-iv)

C. (R-i) (P-ii) (Q-iii) (S-iv)

D. (P-i) (Q-ii) (S-iii) (S-iv)

Correct : B. (Q-i) (R-ii) (S-iii) (P-iv)

61. Match the following Column-I Column-II (P) Cynobacteria (i) N2-fixation (Q) Pseudomonas (ii) Biogas (R) Rhizobium (iii) Biofertilisersin peddy fields (S) Methenogens (iv) Quantam-4000

A. (R-i) (S-ii) (Q-iii) (P-iv)

B. (S-i) (Q-ii) (P-iii) (R-iv)

C. (R-i) (P-ii) (S-iii) (Q-iv)

D. (R-i) (S-ii) (P-iii) (Q-iv)

Correct : D. (R-i) (S-ii) (P-iii) (Q-iv)

62. Match the following Column-I Column-II (P) Blue green Algae (i) Pathogenes effect some arthropods (Q) Baculo virus (ii) Increase organic matters in soil (R) Bacillus thariengensis (iii) Bio control (S) Trichoderma (iv) Produced toxin

A. (Q-i) (R-ii) (S-iii) (P-iv)

B. (P-i) (Q-ii) (R-iii) (S-iv)

C. (Q-i) (P-ii) (R-iv) (S-iii)

D. (R-i) (S-ii) (P-iii) (Q-iv)

Correct : C. (Q-i) (P-ii) (R-iv) (S-iii)

63. Match the following Column-I Column-II (P) Streptokinase (i) To provent blood clotting (Q) Penicillin (ii) To decrease cholesterole (R) Stetins (iii) Immuno supressor (S) Cyclosporin-A (iv) Anti biotic

A. (P-i) (Q-ii) (R-iii) (S-iv)

B. (P-i) (R-ii) (S-iii) (Q-iv)

C. (R-i) (P -ii) (Q-iii) (S-iv)

D. (S-i) (r-ii) (P-iii) (Q-iv)

Correct : B. (P-i) (R-ii) (S-iii) (Q-iv)

64. Match the following Column-I Column-II (P) BOD (i) Food for cattle (Q) Flocks (ii) Association of Bactaria and filaments of mold in water (R) Encilage (iii) Measure of the organic matter in a water (S) Biogas (iv) Anaerobic metabolisom on biowaste

A. (R-i) (Q-ii) (P-iii) (S-iv)

B. (Q-i) (R-ii) (S-iii) (P-iv)

C. (P-i) (S-ii) (R-iii) (Q-iv)

D. (S-i) (P-ii) (S-iii) (R-iv)

Correct : A. (R-i) (Q-ii) (P-iii) (S-iv)

65. Match the following Column-I Column-II (P) Rhizobium (i) Leguminous (Q) Anabaena (ii) Autotroph N2-fixative (R) Azatobactor (iii) Freeliving N2-fixative (S) Glomus (iv) Phosphorus absorption (a) (P-i) (Q-ii) (R-iii) (S-iv) (b) (Q-i) (P-ii) (R-iii) (S-iv) (c) (P-iii) (Q-i) (R-ii) (S-iv) (d) (P-i) (Q-ii) (R-iv) (S-iii) Statement (A) and Reason (R) Type Question

A. Both A and R are true and R is correct explanation of A.

B. Both A and R are true but R is not correct explantion of A.

C. A is true but R is false.

D. A is false but R is true.

Correct : A. Both A and R are true and R is correct explanation of A.

66. Name the conjugated protein used as genetic material in living cells

A. Glyco protein

B. Nucleo protein

C. Metallo protein

D. Lip oprotein

Correct : B. Nucleo protein

67. Who supported Griffith effect by molecular explanation ?

A. Hershay and chase

B. Watson, crick Ninenberg

C. Avery , Mc Carty and Macleod

D. Griffith and Avery

Correct : C. Avery , Mc Carty and Macleod

68. Synthesis of nucleic acids always takes place in

A. 31 - 51 dicectioon

B. 51 - 31 direction

C. Both ways

D. in any direction

Correct : B. 51 - 31 direction

69. What is called Griffith effect ?

A. DNA transcription

B. RNA translation

C. Bacterial transformation

D. Bacterial transduction

Correct : C. Bacterial transformation

70. Genetic information is carried by the long chain molecules which are made up of

A. Amino acids

B. Nucleotides

C. Chromosomes

D. Enzymes

Correct : B. Nucleotides

71. By which bonds the purine & pyrimidine pairs of Complementary Strands of DNA held together?

A. H - bonds

B. O - bonds

C. C - bonds

D. N - bonds

Correct : A. H - bonds

72. State the nature of the 2 Strands of DNA duplex.

A. identical & Complementary

B. Anti parallel & complementary

C. Disimilar & non - complementary

D. Anti parallel & Non - complementary

Correct : B. Anti parallel & complementary

73. The code AUG stands for

A. Glycine

B. Methionine

C. N-formyl methionine

D. A lanine

Correct : B. Methionine

74. A Codon is made up of

A. Single nucleotide

B. two nucleotides

C. three nucleotides

D. Four nucleotides

Correct : C. three nucleotides

75. Nucleus of a cell is the site of Synthesis of

A. DNA

B. m - RNA

C. t - RNA

D. All

Correct : D. All

76. DNA replication requires

A. DNA polymerase only

B. DNA polymerase and ligase

C. Ligase only

D. RNA polymerase

Correct : B. DNA polymerase and ligase

77. The enzyme involved in transcription is

A. RNA polymerase

B. DNA polymerase I

C. DNA polymerase II

D. DNA polymerase III

Correct : A. RNA polymerase

78. Enzymes needed for formation of repliction fork

A. RNA polymerase and DNA polymerase I

B. Helicase and gyrase

C. Hexokinase and aldolase

D. Ligase and endo nuclease

Correct : B. Helicase and gyrase

79. Okazaki fragments are Synthesized on

A. Leading strands of DNA only

B. Lagging Strands of DNA only

C. Leading and LaggingStrands

D. Complementary DNA Strand

Correct : B. Lagging Strands of DNA only

80. Which of the following is used in DNA multiplication?

A. RNA polymerase

B. DNA endonuclease

C. DNA exonuclease

D. DNA Polymerase

Correct : D. DNA Polymerase

81. t - RNA attaches aminoacid at its

A. 31 end

B. 51 end

C. Anticodon

D. Loop

Correct : A. 31 end

82. DNA acts as a template for synthesis of

A. RNA

B. DNA

C. Both ‘a’ and ‘b’

D. Protein

Correct : C. Both ‘a’ and ‘b’

83. Antiparallel strand in DNA is due to

A. Disulphide linkage

B. Hydorgen bond

C. Phosphodiester bond

D. Ionic bond

Correct : C. Phosphodiester bond

84. Multiplication of DNA is called

A. Translation

B. Replication

C. Transduction

D. Transcription

Correct : B. Replication

85. Which is the smallest RNA ?

A. r RNA

B. m RNA

C. t - RNA

D. nuclear RNA

Correct : C. t - RNA

86. Genetic information are transfered from nucleus to cytoplasm of cell through

A. DNA

B. RNA

C. Lysosomes

D. Anticodon

Correct : B. RNA

87. The information from RNA to DNA are transfered by which process

A. Replication

B. Transcription

C. Translation

D. Reverse transcription

Correct : D. Reverse transcription

88. Which statement is correct ? (A) Degeneracy of code is related to third member of codon (B) Single codon, codes for more than one aminoacid (C) In codon first two bases are more specific (D) In codons third base is wobble (E) code is universal

A. A,B,C,D,E

B. A, B, D

C. A., C, D

D. A, C, D, E

Correct : D. A, C, D, E

89. DNA molecule has uniform diameter due to ?

A. Double stranded

B. Presence of phosphate

C. Specific base pairing between purine and pyrimidine

D. Specific base pairing between purine and purine

Correct : C. Specific base pairing between purine and pyrimidine

90. In a transcription unit promotor is said to be located towards

A. 31 end of structural gene

B. 51 end of structural gene

C. 51 end of template strand

D. 31 end of template strand

Correct : D. 31 end of template strand

91. In DNA replication the primer is

A. A Small deoxyribonucleotide polymer

B. A small ribonucleotide polymer

C. Helix destalilizing protein

D. Enzyme taking part in joining nucleotides of new strands

Correct : B. A small ribonucleotide polymer

92. Non - sense codons take part in

A. formation of unspecified aminoacids

B. Terminating message of gene controlled protein synthesis

C. Releasing t-RNA from polynucleotide chain

D. Conversion of sense DNA in to non-sense one

Correct : B. Terminating message of gene controlled protein synthesis

93. select the correct sequence of following in DNA replication

A. single stranded binding proteins - Helicase - Topoisomerase - DNA polymerase

B. Helicase - single stranded binding proteins -Topoisomerase - DNA polymerase

C. Helicase - DNA polymerase - Topoisomerase - Single stranded binding proteins

D. Helicase - Topoisomerase - DNA polymerase - Single stranded binding proteins

Correct : B. Helicase - single stranded binding proteins -Topoisomerase - DNA polymerase

94. Which of the following enzymes can detect and correct the wrong inserted base during DNA replication ?

A. DNA polymerase - I

B. DNA polymerase - II

C. Primase

D. Ligase

Correct : A. DNA polymerase - I

95. Which one is a ribozyme ?

A. Helicase

B. Ribonuclease - P

C. Peptidyl transferase

D. Both (B) & (C)

Correct : D. Both (B) & (C)

96. Which of the following pairs is not correctly matched ?

A. Recombinant DNA - DNA forming by union of segments of DNA from diffrent Sources

B. Purines - Nitrogenous bases Cytosine , thymine and Uracil

C. ATP - The principal energy carrying compound inthe cell

D. r-RNA - RNA molecules found in ribosomes

Correct : B. Purines - Nitrogenous bases Cytosine , thymine and Uracil

97. Which one of the following pairs is correctly matched ?

A. Ribosomal RNA - Carries amino acids to the site of protein synthesis

B. Transcription - Process by which protein in synthesized

C. Translation - Process by which m RNA carries the information from nucleus to ribosomes

D. Anticodon - Site of t-RNA that binds to the m-RNA

Correct : D. Anticodon - Site of t-RNA that binds to the m-RNA

98. Which is not the step of translation ?

A. Initiation

B. Replication

C. Elongation

D. Termination

Correct : B. Replication

99. The enzyme amino acyl t-RNA-synthetase facilitates.

A. Joining two neighbouring amino acids on ribosomes

B. A doption of amino acids by a t-RNA molecule

C. Insertion of amino acyl t-RNA into the ribosome sites

D. Transfer of amino acyl t-RNA from the ribosomal ‘A’ site to ‘P’ site

Correct : B. A doption of amino acids by a t-RNA molecule

100. state the anticodon of initiation codon of protein synthesis

A. UAC

B. UUU

C. CAU

D. AUG

Correct : A. UAC