Microbes and Human Welfare Set 3 MCQs

Q1 | Which organism is useful to produce Riboflavin ? (CBSEPMT 1999)

Arabia hossipae

Saccharhomyces Cervisiae

(a) & (b) both

None of them

Q2 | Bacillus thuringiensis is useful in.... (CBSEPMT 2005)

Bio fertiliser

Biometalogical

Biotoxic plant

Bio product plant

Q3 | Bio fertilizer means......

Crop which shows rapid growth

Cow dung and agricultural west

prepared by Anabaena and Nostoc

None of them

Q4 | Which pair is correct ? (Kerala PMT 2007)1 - Cynobacteria - Bio pestisides2 - Mychorriza - Absorption of phosphurus3 - Becillus thuringiensis - toxin4 - Single cell protien - Rhizobium

2

3

1

4

Q5 | Which pair is odd ? (CBSEPMT 2007)

Yeast - Ethenol

Penicillium - Penicillin

Methenogens - Biogas

Streptococus - Stetins

Q6 | What is value of BOD of sewage water in comparision to normal water ?

More

Less

Normal

Zero

Q7 | Which pair is correct ? (AIIMS 2003)

Rhizobium - Parasites of leguminous plant

Mychoriza - Absorbation of Phosphate

Yeast - Biogas production

Nostoc - Biofuel

Q8 | According to latest news BT cotton is widely cultivated, in that Bt cotton means....

Bigger thread variety

Cotton seeds treated with Barium

Produce by biotechnologycal enzymes ristiction endonueleus

Contains Endo toxin gene of B.T.

Q9 | Which are the main components of biogas ?

CH4 + CO2 + N2

CO2 + H2O

CH3 + O2

CO2 + H2

Q10 | Azospirillium and Azotobector for example of.....

Decomposer

Free living N2 fixative

Symbiotic N2 fixative

Pathogenes

Q11 | How the ethenol is produce in industrial field ?

Saecheromisi

Clostridium

Aspergillus

Streptomysis

Q12 | Which option provides fertiliser as well as energy ?

rhizobium

Biogas

Fuel Plant

All the given

Q13 | Which one is true information for toxin Bt ?

Bt protien contains active toxins in bacillus

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

Becillius contains antitoxin material

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

Q14 | By BOD which one is to be measured ?

Amount of organic matters of water.

Industrial waste of water Resources.

Amount of co which connected with Hb.

Amount of required O2 for dark reaction of green plants.

Q15 | Match the followingColumn-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

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

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

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

Q16 | Match the followingColumn-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

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

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

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

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

Q17 | Match the followingColumn-I Column-II(P) Cynobacteria (i) N2-fixation(Q) Pseudomonas (ii) Biogas(R) Rhizobium (iii) Biofertilisersin peddy fields(S) Methenogens (iv) Quantam-4000

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

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

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

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

Q18 | Match the followingColumn-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

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

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

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

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

Q19 | Match the followingColumn-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

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

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

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

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

Q20 | Match the followingColumn-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

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

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

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

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

Q21 | Match the followingColumn-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

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

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

A is true but R is false.

A is false but R is true.

Q22 | Name the conjugated protein used as genetic material in living cells

Glyco protein

Nucleo protein

Metallo protein

Lip oprotein

Q23 | Who supported Griffith effect by molecular explanation ?

Hershay and chase

Watson, crick Ninenberg

Avery , Mc Carty and Macleod

Griffith and Avery

Q24 | Synthesis of nucleic acids always takes place in

31 - 51 dicectioon

51 - 31 direction

Both ways

in any direction

Q25 | What is called Griffith effect ?

DNA transcription

RNA translation

Bacterial transformation

Bacterial transduction