(A) : Sewage cannot be directly discharged into natural water bodies. (R) : It contains large amount of pathogenic microbes.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false.

(A) : Sewage cannot be directly discharged into natural water bodies.

1.	(A) : Sewage cannot be directly discharged into natural water bodies. (R) : It contains large amount of pathogenic microbes.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false.
Answer» Correct Answer - A

Discussion

No Comment Found

Related InterviewSolutions

Arrange the following in the decreasing order (most important first) of their importance, for the welfare of human society. Give reasons for your answer. Biogas, Citric acid, Penicillin and Curd
Living organisms used to enrich the nutrient quality of the soil are called asA. bicontrol agentsB. biofertillsersC. synthetic fertilisersD. natural ferilisers
Biofertilisers areA. some bacteria and cyanobacteriaB. fertilisers formed by ploughing in barseemC. fertilisers obtained by decay of dead organismsD. fertilisers prepared by mixing cattle dung with crop residues.
Biofertilisers are prganisms that enrich the nutrient quality of the soil. Which of the following can be used as biofertilisers ?A. Nitrogen fixing cyanobacteriaB. Nitrogen fixing bacteriaC. MycorrhizaeD. All of these
Match the following and find the correcy combination A. a-ii, b-iv, c-i, d-iiiB. a-iii, b-i, c-iv, d-iiiC. a-v, b-i, c-iii, d-iiD. a-v, b-iv, c-i, d-ii
One of the free-living, anaerobic nitrogen-fixer is Or which of the following is a photoautotrophic bacteriumA. BeijerinckiaB. RhodospirillumC. RhizobiumD. Azotobacter
Variolation consisted ofA. Injecting viriolous matterB. Injecting heat-killed a viriolous matterC. Scratching an area over a vein and pour small matter from a small pox pustuleD. Scratching vein and pouring viriolous matter into blood.
The three microbes are listed below. Name the product produced by each one of them and mention their use. (a) Aspergillus niger (b) Trichoderma polysporum (c) Monascus purpureus
Make correction wherever you find mistake in spellings/words in the following paragraph/sentences. A. Biofertilisers are a high-cost output but they do not pollute the environment. Acceptability of biofertillisers is also low because they usually produce quick and spectacular results. B. Fungi of mycorrhiza solubilise phosphorus, produce plant growth inhibiting substance and protect host plants from soil nutrients. (C) Biopesticides are those chemical agents that are used for control of weeds. insects and pathogons.
A new strain of bacteria produced by biotechnology in alcohol industry is:A. Escherichia coliB. Pseudomonas putidaC. Bacillus subtilisD. Saccharomyces cerevisiae

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment