The residue left after methane production from cattle dung is:

1. burnt

2. burried in land fills

3. used as manure

4. used in civil construction

Subtopic:  Microbes in Production of Biogas |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Gases found in biogas are:
1. Carbon dioxide is the only gas
2. Methane is the only gas
3. Carbon dioxide, hydrogen sulphide and Methane
4. Carbon dioxide, hydrogen cyanide and Methane

Subtopic:  Microbes in Production of Biogas |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In the given diagram the gas X can be :

1. Hydrogen

2. Carbon monoxide

3. Ammonia

4. Oxygen

Subtopic:  Microbes in Production of Biogas |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following microbes is correctly paired with its function ?

(1) Aspergillus niger - Production of lactic acid

(2) Trichoderma polysporum  - Lowers blood cholesterol

(3) Saccharomyces cerevisiae  - Production of citric acid

(4) Methanogenic bacteria - Gobar gas formation 

Subtopic:  Microbes in Production of Biogas |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Methanogens are found in:

A. Ethanol

B. Organic acids

C. Anaerobic sludge

D. Rumen of cattle

(1) A, C, D

(2) C, D

(3) B, C, D

(4) A, B

Subtopic:  Microbes in Production of Biogas |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The technology of biogas production in India has been developed by the efforts of:

A. Khadi and Village Industries Commision (KVIC)

B. Indian Council of Agricultural Research (IARI)

C. Indian Agricultural Research Institute (IARI)

D. Indian Council of Medical Research (ICMR)

(1) A, C, D

(2) C, D

(3) A, C

(4) A, B

Subtopic:  Microbes in Production of Biogas |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The mixture of gases released during anaerobic digestion of sludge is called:

(1) Methane

(2) Carbon dioxide

(3) Biogas

(4) Flammable gases

Subtopic:  Microbes in Production of Biogas |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Biogas contains:

(1) CO2

(2) H2S

(3) CH4

(4) All of these

Subtopic:  Microbes in Production of Biogas |
 97%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Given below are three statements (A-B) each with one or more blanks. Select the option which correctly fill the blanks in the statements Statements:

A. Microbes consume the major part of the organic matter in the effluent and reduce _________ of sewage.

B. Certain bacteria which grow anaerobically on cellulosic material, produce large amount of methane along with CO2 and H2. The bacteria are commonly called as _________ and one such common bacterium is _________. Options:

(1) A - CO2 demand; B - methanogens, Methanobacterium

(2) A - Carbon; B - methanogens, Methanobacterium

(3) A - biochemical oxygen demand; B - methanogens, Methanobacterium

(4) A - biochemical oxygen demand; B - Methylokorus infemorum

Subtopic:  Microbes in Sewage Treatment | Microbes in Production of Biogas |
 93%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The below diagram shows a typical biogas plant. Which of the following four option, products labelled as A are correctly identified:

1. A - Sludge; B - Methane, Oxygen; C - Dung, water

2. A - Sludge; B - Methane, Carbon dioxide; C - Dung, water

3. A - Sludge; B - Ethylin, Carbon dioxide; C - Dung, water

4. A - Sludge; B - Methane, Carbon dioxide; C - Sewage

Subtopic:  Microbes in Production of Biogas |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh