NEET Biology Microbes and Human Welfare MCQs Set C

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MCQ for Full Syllabus Biology Microbes and Human Welfare

Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Microbes and Human Welfare in Full Syllabus.

Microbes and Human Welfare MCQ Questions Full Syllabus Biology with Answers

 

 

Question: Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ?

  • a) Rhizobium
  • b) Azotobactor
  • c) Clostridium
  • d) Azospyrillium

Answer: Rhizobium

 

Question: Which living organism works as bio-fertiliser ?

  • a) Azzola
  • b) Clostridium
  • c) Azotobactor
  • d) Rhizobium

Answer: Azzola

 

Question: Which micro organism is useful in production of citric acid ?

  • a) Asperzilus niger
  • b) Clostridium
  • c) Penicillium
  • d) Azotobactor

Answer: Asperzilus niger

 

Question: By which process cheese and toddy is obtained ?

  • a) Fermantation
  • b) Distillation
  • c) Pasuirisation
  • d) Hydrolisis

Answer: Fermantation

 

Question: To which BOD is related ?

  • a) Organic compound
  • b) Microbes and organic matters
  • c) Microbes
  • d) None of them

Answer: Organic compound

 

Question: Which organism is useful to produce Riboflavin ?

  • a) Arabia hossipae
  • b) Saccharhomyces Cervisiae
  • c) both
  • d) None of them

Answer: Arabia hossipae

 

Question: Bacillus thuringiensis is useful in

  • a) Biotoxic plant
  • b) Bio product plant
  • c) Biometalogical
  • d) Bio fertiliser

Answer: Biotoxic plant

 

Question: Bio fertilizer means

  • a) prepared by Anabaena and Nostoc
  • b) Cow dung and agricultural west
  • c) Crop which shows rapid growth
  • d) None of them

Answer: prepared by Anabaena and Nostoc

 

Question: Which pair is correct ? 

1 - Cynobacteria - Bio pestisides

2 - Mychorriza - Absorption of phosphurus

3 - Becillus thuringiensis - toxin

4 - Single cell protien - Rhizobium

  • a) 3
  • b) 1
  • c) 4
  • d) 2

Answer: 3

 

Question: Which pair is odd ?

  • a) Streptococus - Stetins
  • b) Methenogens - Biogas
  • c) Pen icillium - Penicillin
  • d) Yeast - Ethenol

Answer: Streptococus - Stetins

 

Question: What is value of BOD of sewage water in comparision to normal water ?

  • a) More
  • b) Less
  • c) Normal
  • d) Zero

Answer: More

 

Question: Which pair is correct ?

  • a) Mychoriza - Absorbation of Phosphate
  • b) Nostoc - Biofuel
  • c) Rhizobium - Parasites of leguminous plant
  • d) Yeast - Biogas production

Answer:  Mychoriza - Absorbation of Phosphate

 

Question: According to latest news BT cotton is widely cultivated, in that Bt cotton means

  • a) Contains Endo toxin gene of B.T.
  • b) Bigger thread variety
  • c) Produce by biotechnologycal enzymes ristiction endonueleus
  • d) Cotton seeds treated with Barium

Answer: Contains Endo toxin gene of B.T.

 

More Questions.....................................

 

Question: Azospirillium and Azotobector for example of.

  • a) Free living N2 fixative
  • b) Pathogenes
  • c) Decomposers
  • d) Symbiotic N2 fixative

Answer: Free living N2 fixative

 

Question: How the ethenol is produce in industrial field ?

  • a) Aspergillus
  • b) Saecheromisis
  • c) Clostridium
  • d) Streptomysis

Answer: Aspergillus

 

Question: Which option provides fertiliser as well as energy ?

  • a) Biogas
  • b) rhizobium
  • c) Fuel Plant
  • d) All the given

Answer: Biogas

 

Question: Which one is true information for toxin Bt ?

  • a) Toxic enters into the alimentary canal of insects which results lethal for the insect.
  • b) Becillius contains antitoxin material
  • c) Active toxin enters into the ovary of insects and makes it sterile so as to stop the reproduction
  • d) Bt protien contains active toxins in bacillus

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

 

Question: 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

Answer: Amount of organic matters of water

 

Question: 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-iii) (Q-i) (R-ii) (S-iv)
  • b) (P-iv) (Q-ii) (R-i) (S-iii)
  • c) (P-iii) (Q-i) (R-ii) (S-iv)
  • d) (P-iii) (Q-i) (R-iii) (S-ii)

Answer:  (P-iii) (Q-i) (R-ii) (S-iv)

 

Question: 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) (Q-i) (R-ii) (S-iii) (P-iv)
  • b) (P-i) (Q-ii) (S-iii) (S-iv)
  • c) (S-i) (P-ii) (Q-iii) (R-iv)
  • d) (R-i) (P-ii) (Q-iii) (S-iv)

Answer: (Q-i) (R-ii) (S-iii) (P-iv)

 

Question:

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) (P-iii) (Q-iv)
  • b) (S-i) (Q-ii) (P-iii) (R-iv)
  • c) (R-i) (S-ii) (Q-iii) (P-iv) (b
  • d) (R-i) (P-ii) (S-iii) (Q-iv)

Answer: (R-i) (S-ii) (P-iii) (Q-iv)

 

Question: 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) (P-ii) (R-iv) (S-iii)
  • b) (Q-i) (R-ii) (S-iii) (P-iv)
  • c) (P-i) (Q-ii) (R-iii) (S-iv)
  • d) (R-i) (S-ii) (P-iii) (Q-iv)

Answer: (Q-i) (P-ii) (R-iv) (S-iii)

 

Question:

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) (R-ii) (S-iii) (Q-iv)
  • b) (S-i) (r-ii) (P-iii) (Q-iv)
  • c) (P-i) (Q-ii) (R-iii) (S-iv)
  • d) (R-i) (P -ii) (Q-iii) (S-iv)

Answer: (P-i) (R-ii) (S-iii) (Q-iv)

 

Question: 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) (P-iii) (Q-i) (R-ii) (S-iv)
  • c) (Q-i) (P-ii) (R-iii) (S-iv)
  • d) (P-i) (Q-ii) (R-iv) (S-iii)

Answer: (P-i) (Q-ii) (R-iii) (S-iv)

 

Question:

A :- Lab improves quality of vitamin-B12

R :- Lactobacilus bectaria produces lactic acid.

  • a) Both A and R are true but R is not correct explantion of A.
  • b) Both A and R are true and R is correct explanation of A.
  • c) A is true but R is false.
  • d) A is false but R is true

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

 

Question:

A :- Cyclosporin-A is used as an Immunosupressiore.

R :- Cyclosporin-A is obtained from Trichoderma

  • a) Both A and R are true but R is not correct explantion of A.
  • b) Both A and R are true and R is correct explanation of A.
  • c) A is true but R is false.
  • d) A is false but R is true

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

 

Question:

A :- Encilage is food for cattle.

R :- Encilage is produced by fermantation of protien of green plant tissue.

  • a) A is true but R is false
  • b) A is false but R is true
  • c) Both A and R are true but R is not correct explantion of A
  • d) Both A and R are true and R is correct explanation of A

Answer: A is true but R is false

 

Question:

A :- Dung of cattle is used to produced biogas.

R :- There are large number of methenogonic bacteria in dung of cattle

  • 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

Answer: Both A and R are true and R is correct explanation of A

 

Question:

A:- As an alternative to chemicals, biochemicals are produced through biocontrol agent.

R :- Using biochemicals, natural balance is maintained.

  • 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

Answer: Both A and R are true and R is correct explanation of A

 

Question:

A :- Photosynthetic bacteria produced to N2.

R :- Bacteria are able to convert solar energy into chemical energy

  • a) A is false but R is true
  • b) A is true but R is false
  • c) Both A and R are true but R is not correct explantion of A.
  • d) Both A and R are true and R is correct explanation of A.

Answer: A is false but R is true

 

Question: Which one is related with steriods ?

  • a) Acetic acid
  • b) Palmitic acid
  • c) Butyric acid
  • d) Citric acid

Answer: Acetic acid

 

Question: Which is used to prevent blood clotting in blood vessels ?

  • a) Streptokinase
  • b) Stetins
  • c) Cyclo sporin-A
  • d) Steriods

Answer: Streptokinase

 

Question: Which is to be used in production of swiss cheese ?

  • a) Clostridium bacterium
  • b) Saecharhomyces Cerrevisiae
  • c) Monoscus Purpureus
  • d) Lacto Bacillus

Answer: Clostridium bacterium

 

Question: Which option is related with the utility of lectic acid ?

  • a) All the given
  • b) useful for preparing curd from milk
  • c) In fermantation, to prepare pickle
  • d) To increase the quality of vitamin B12

Answer: All the given

 

Question: Which one is useful as a immunosuppresive agent in organ transplant ?

  • a) Cyclosporin-A
  • b) Cyclosprin-C
  • c) Cyclosporin-L
  • d) All the given

Answer: Cyclosporin-A

 

Question: Which bacteria is useful for purification in sewage treatment ?

  • a) Hetrotrops
  • b) Symbiont
  • c) Parasist
  • d) Free living

Answer: Hetrotrops

 

Question: Which assertion is correct ?

  • a) Biofertilisers are used over chemical fertilizer to redused pollution
  • b) Chemical fertiliser are used to form biofertiliser
  • c) Micro organism are used as a bio control agent by IARI.
  • d) There is role of ministry of forest and environment in developing biogas technology

Answer: Biofertilisers are used over chemical fertilizer to redused pollution

 

Question: To which, function baculo virus is involve ?

  • a) Produces deases some arthropods and insect
  • b) Produces Insectisides
  • c) Produces deases in todes neme.
  • d) Produces deases in fungus

Answer: Produces deases some arthropods and insect

 

Question: Which one is related with monoscus pupurous ?

  • a) Stetins - Decreases the cholesterole in blood
  • b) Cyclosporin- A - Immunosuppresser
  • c) Streptokinase - To prevent blood clotting
  • d) All the given

Answer:  Stetins - Decreases the cholesterole in blood

 

Question: Full form of BOD

  • a) Biochemical Oxygen Demand
  • b) Biological Oxygen Demand
  • c) Bio Oxygen Demand
  • d) Biochemical Oxygen Degreadable

Answer: Biochemical Oxygen Demand

 

Question: Which is the group of autotroph micro organisms ?

  • a) Acelatoria, Anabaena,Nostoc, Cynobacteria
  • b) Nostoc, Aspergilus, Anabaena, Rhizopus
  • c) Aceletoria, Anabaena, Cynobacteria, Rhizopus
  • d) Anabaena, Nostoc, Glomus, Trichoderma

Answer: Acelatoria, Anabaena,Nostoc, Cynobacteria

 

Question: 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

Answer: Filteration and Sedimentation

 

Question: Which is useful to control Nematodes in cearel crops ?

  • a) Bionemotocides
  • b) Fungicides
  • c) Weedicides
  • d) Incecticeides

Answer: Bionemotocides

 

Question: 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

Answer: Progesteron is useful as a immuno suppressor

 

Question: Which micro organism is involved in flocks as well as in michorrhiza ?

  • a) Fungus
  • b) Algae
  • c) Virus
  • d) Bacteria

Answer: Fungus

 

Question: Find odd group out

  • a) Butaric acid, Isotric acid, Lectic acid, Melic acid
  • b) Carbomycin, bactitracin, tetracytidine, fumagillin
  • c) Amylase, Protease, Lipase, Csellulase
  • d) Glucomylase, Renin, Glucose Oxicide

Answer: Butaric acid, Isotric acid, Lectic acid, Melic acid

 

Question: Which pest is obtained from Pseudononas ?

  • a) Quantum-4000
  • b) Quantum-400
  • c) Quantum-40000
  • d) Quantum-40

Answer: Quantum-4000

 

Question: Which organism is useful to prepare Alcohol ?

  • a) Saccherohmycis Cerevisiae
  • b) Streptomycis Saccheromysis
  • c) Saccherohmy Ceribicie
  • d) Streptococus cerbicie

Answer: Saccherohmycis Cerevisiae

 

Question: Which pair is odd ?

  • a) Trichoderma-Free living bactaria
  • b) Rhizobium-Symbiotic bacteria
  • c) Glamus-Symblotic fungus
  • d) Azatobector-Free living bactaria

Answer: Trichoderma-Free living bactaria

 

Question: Which is correct sequence for purification process of STPs ?

  • a)

    40a

  • b)

    40b

  • c) Both
  • d) None of this

Answer:

40a

 

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MCQs for Microbes and Human Welfare Biology Full Syllabus

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