NEET Biology Online Test Microbes And Human Welfare Set D

1. A :- Photosynthetic bacteria produced to N₂. R :- Bacteria are able to convert solar energy into chemical energy

2. A:- As an alternative to chemicals, biochemicals are produced through biocontrol agent. R :- Using biochemicals, natural balance is maintained.

3. A :- Dung of cattle is used to produced biogas. R :- There are large number of methenogonic bacteria in dung of cattle

4. A :- Encilage is food for cattle. R :- Encilage is produced by fermantation of protien of green plant tissue.

5. A :- Cyclosporin-A is used as an Immunosupressiore. R :- Cyclosporin-A is obtained from Trichoderma

6. A :- Lab improves quality of vitamin-B12 R :- Lactobacilus bectaria produces lactic acid.

7. 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

8.

        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

9. 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

10.

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

11. 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

12. 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

13. By BOD which one is to be measured ?

14. Which one is true information for toxin Bt ?

15. Which option provides fertiliser as well as energy ?

16. How the ethenol is produce in industrial field ?

17. Azospirillium and Azotobector for example of.

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

19. Which pair is correct ?

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

21. Which pair is odd ?

22. Which pair is correct ? 1 - Cynobacteria - Bio pestisides 2 - Mychorriza - Absorption of phosphurus 3 - Becillus thuringiensis - toxin 4 - Single cell protien - Rhizobium

23. Bio fertilizer means

24. Bacillus thuringiensis is useful in

25. Which organism is useful to produce Riboflavin ?

26. To which BOD is related ?

27. By which process cheese and toddy is obtained ?

28. Which micro organism is useful in production of citric acid ?

29. Which living organism works as bio-fertiliser ?

30. Which symbiotic bacteria is N2 fixative with the root nodule of leguminious plant ?