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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Microbes and Human Welfare Set 3
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-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