The technology of biogas production from cow dung was developed in India largely due to the efforts of
1. | Gas Authority of India |
2. | Oil and Natural Gas Commission |
3. | Indian Agricultural Research Institute, Khadi and Village Industries Commission |
4. | Indian Oil Corporation |
The residue left after methane production from cattle dung is
1. burnt
2. buried in land fills
3. used as manure
4. used in civil construction
Methanogens do not produce
1. oxygen
2. methane
3. hydrogen sulphide
4. carbon dioxide
Match the items in column "A' and coloum 'B' and choose the correct answer
Column I | Column II |
A. Lady bird | (i) Methano bacterium |
B. Mycorrhiza | (ii) Trichoderma |
C. Biological control | (iii) Aphids |
D. Biogas | (iv) Glomus |
The correct answer is
A | B | C | D | |
(1) | ii | iv | iii | i |
(2) | iii | iv | ii | i |
(3) | iv | i | ii | iii |
(4) | iii | ii | i | iv |