Biogas - class-XI
Description: biogas | |
Number of Questions: 31 | |
Created by: Nitesh Divan | |
Tags: option b: biotechnology and bioinformatics zoology physics energy : forms and sources bioenergy biology work and energy sources of energy world energy needs heat and energy microbes in human welfare |
In a wind mill the electric energy is converted into mechanical energy.
65% by volume is hydrogen gas in the biogas.
The gas obtained by the fermentation of biomass is :
Gobar gas is a:
Which of the following is released from biomass?
The residue left after methane production from cattle dung is:
Match column I with column II and select the correct answer from the given codes.
Column I | Column II | ||
---|---|---|---|
A, | Methanogens | (i) | BOD |
B. | Fermentors | (ii) | Methane rich fuel gas |
C. | Organic waste in water | (iii) | Production of methane |
D. | Biogas | (iv) | Large vessels for growing microbes |
Biogas is produced by:
The technology of biogas production from cow dung was developed in India largely due to the efforts of:
What does gobar gas produced from animal and plant waste contain?
Which one of the following is a major constituent of Biogas?
Bacteria involved in formation of gobar gas are
Methanogens growing anaerobically on cellulosic material produce
In biogas plant which group of bacteria is found?
Raw material used in formation of producer gas is
Producer gas differs from biogas in having
Methanogens converts
Biogas production is
Anaerobic sludge digesters and inoculums are part and parcel of _____________.
Which of the following is correct about biogas?
Biogas production is rate limited by
Temperature suitable for biogas production is
The process that provides both energy and manure is
The technology of biogas production was developed in India through the efforts of
A peculiar odour that occurs in marshy areas and cowsheds is due to gas produced by.
Match and find the correct combination.
(a) | Fermenting malted cereals and fruit juice | (i) | Clots in Blood vessels |
---|---|---|---|
(b) | Production of large holes in Swiss cheese | (ii) | Digestion of sludge by bacteria and fungi resulting in emission methane and other gases |
(c) | Myocardial infarction | (iii) | Production of ethanol |
(d) | Biogas | (iv) | Blood cholesterol lowering agent |
(v) | Production of large amount of CO$ _2$ |
Identify the correct pair of characters of a bacterium which is used in the production of methane.
(i) Recyclers of inorganic nutrients
(ii) Present in stomach of cattle
(iii) Obtain energy from sunlight
(iv) Aerobes
The order of bacteria active in conversion of organic wastes into biogas is
Biogases produced during sewage treatment are
Cytophaga and Cellulomonas are involved in