The spent slurry in biogas plant is
(1) Used as insecticide
(2) Used as fertiliser
(3) Removed from outlet to sewage treatment plants
(4) Both A and B
The technology of biogas production was developed in India mainly due to the efforts of
(1) IARI
(2) KVIC
(3) Both A and B
(4) IAIR
The biogas plants are found in
(1) More in urban areas
(2) More in rural areas
(3) More in Delhi
(4) Cannot be estimated
KVIC stands for
1. Khadi and village Institution commission
2. Khadi and Vellore institution commission
3. Khadi and Village Industries commission
4. Kanpur and Vallore industries Commission
What is the key belief of organic farmers?
(1) Biodiversity furthers health
(2) Health furthers biodiversity
(3) Health and biodiversity are the consequences of development
(4) Both B and C
Which of the following is not an approach of organic farmers?
(1) More variety a land has more sustainable it is.
(2) To create a system which is insects free
(3) To create a system in which insects are kept at manageable levels by a complex system of checks and balances within a dead ecosystem.
(4) Both B and C
Biocontrol measures will greatly reduce our dependence
(1) On toxic chemicals
(2) On pests
(3) On insects
(4) On Birds
Which of the following is not an important part of biological farming approach?
1. | To know all the life forms that inhabit the field |
2. | Predators and pests are also analysed |
3. | The life cycles, patterns of feeding and habitats of all the life forms of that field are analysed |
4. | To know the abundance of each of the life forms |
Which of the following is the major concern of Organic farmers?
(1) Chemical methods lead to death of harmful life forms discriminately
(2) Eradication of pest is undesirable as it may lead to death of beneficial predatory and parasitic insects
(3) Conventional farming
(4) Biocontrol measures will increase the dependence on toxic chemicals.
To get rid of Aphids which of the following is used?
(1) Beetle with red and black markings
(2) Ladybird
(3) Dragonflies
(4) Both A and B