Which of the following is not the belief of an organic farmer?A. The more variety a landscape has, the more sustainable it isB. The insects that are sometimes called pests are not eradicated, but instead are kept at manageable levels by a complex system of checks and balances within a living and vibrant ecosystemC. For controlling plant diseases and pests, chemicals lilke insecticides and pesticides should be used extensivelyD. Eradication of the pests is undersirable because they act as food or hosts for beneficial predatory and parasitic insects

Which of the following is not the belief of an organic farmer?A. The m

1.	Which of the following is not the belief of an organic farmer?A. The more variety a landscape has, the more sustainable it isB. The insects that are sometimes called pests are not eradicated, but instead are kept at manageable levels by a complex system of checks and balances within a living and vibrant ecosystemC. For controlling plant diseases and pests, chemicals lilke insecticides and pesticides should be used extensivelyD. Eradication of the pests is undersirable because they act as food or hosts for beneficial predatory and parasitic insects
Answer» Correct Answer - 3

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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
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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.
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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
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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.
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