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Agroforestry mcqs
1.Most valuable component of agroforestry is:
a)Acacia b)IngajinicuU c)Coraria d)All
2.Acacia is native to which country:
a) America b) Africa c) Pakistan d)India
3.Which of the following is not nitrogen fixing in agroforestry:
a)Mimosa scabrella b)coriaria c) Erythrina d) Brassica
4.How many species of coriaria have been recorded to bear nodules:
a)10 b)15 c)17 d)20
5.Species which require large amount of nutrients are:
a) Exacting species b)Non-exacting species c)Marginal species d)None
6.Actinorhizal plants nodulated with:
a)Rhizobia b)Nitrobacter c)Nitrosomonas d)Frankia
7.Actinorhizal plants are:
a) leguminous b)non-leguminous c)Non-symbionts d)None
8.Which biocide is recommended for sterilization of soil which is not much toxic and not too much expensive:
a)Methyl bromide b)Dozomet,f c)Ethyl bromide d)None
9.The amount of nitrogen that is fixed under field condition is called:
a)ANF b)BNF c)NFP d)None
10.In near-term investigations for improvement of symbiotic micro-organism which steps are involved:
a)Collection of strain& effectiveness of strain b)tolerance to environmental stress c)screen their genetic compatibility d)All
11.For controlling acidity of soil which is used:
a)Lime b)Organic material c)none d)both a&b
12.Application of mineral nitrogen fertilizer to nitrogen fixing plants has:
a) positive effect b) negative effect c)no effect d)All
13.Mycorrhizal infections increase absorption of:
a)P b)Zn c)K d)All
14.Which type of mycorrhizal association is more frequent in innoculation:
a) Ectomycorrhizal b)Endomycorrhizal c) Symbiotic d)All
15.Nitrogen fixation &modulation require high status of which element in Nitrogen fixing plants:
a)P b)N c)C d)O
16.Nitrogen fixing plants has effect on soil:
a)lower the pH b)Higher the pH c)No change d)maintain pH
17.Symbiotics micro-organism can be protected against acidity by pelleting seeds with:
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a)CaCO3 b)MgCl2 c)NaCl d)None
18.Fast growing strain of rhizobium is:
a)Sensu stricto b)Sesbania grandiflora c)None d)Both
19.Acacia mangium is an example of:
a)Exacting species b) Non-exacting species c) Extinct species d)None
20. Sterilization of nursery soil has effect:
a) Positive b) negative c)None

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Agroforestry mcqs 1.Most valuable component of agroforestry is: a)Acacia b)IngajinicuU c)Coraria d)All 2.Acacia is native to which country: a) America b) Africa c) Pakistan d)India 3.Which of the following is not nitrogen fixing in agroforestry: a)Mimosa scabrella b)coriaria c) Erythrina d) Brassica 4.How many species of coriaria have been recorded to bear nodules: a)10 b)15 c)17 d)20 5.Species which require large amount of nutrients are: a) Exacting species b)Non-exacting species c)Marginal species d)None 6.Actinorhizal plants nodulated with: a)Rhizobia b)Nitrobacter c)Nitrosomonas d)Frankia 7.Actinorhizal plants are: a) leguminous b)non-leguminous c)Non-symbionts d)None 8.Which biocide is recommended for sterilization of soil which is not much toxic and not too much expensive: a)Methyl bromide b)Dozomet,f c)Ethyl bromide d)None 9.The amount of nitrogen that is fixed under field condition is called: a)ANF b)BNF c)NFP d)None 10.In near-term investigations for improvement of symbiotic micro-organism which steps are involved: a)Collection of strain& effectiveness of strain b)tolerance to environmental stress c)screen their genetic compatibility d)All 11.For controlling acidity of soil which is used: a)Lime b)Organic material c)none d)both a&b 12.Application of mineral nitrogen fertilizer to nitrogen fixing plants has: a) positive effect b) negative effect c)no effect d)All 13.Mycorrhizal infections increase absorption of: a)P b)Zn c)K d)All 14.Which type of mycorrhizal association is more frequent in innoculation: a) Ectomycorrhizal b)Endomycorrhizal c) Symbiotic d)All 15.Nitrogen fixation &modulation require high status of which element in Nitrogen fixing plants: a)P b)N c)C d)O 16.Nitrogen fixing plants has effect on soil: a)lower the pH b)Higher the pH c)No change d)maintain pH 17.Symbiotics micro-organism can be protected against acidity by pelleting seeds with: a)CaCO3 b)MgCl2 c)NaCl d)None 18.Fast growing strain of rhizobium is: a)Sensu stricto b)Sesbania grandiflora c)None d)Both 19.Acacia mangium is an example of: a)Exacting species b) Non-exacting species c) Extinct species d)None 20. Sterilization of nursery soil has effect: a) Positive b) negative c)None Name: Description: ...
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