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Questions on Biofertilizers | Medicinal Plants, Paper - 01 |
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Sr. No. |
Questions |
Answers |
1. |
A biofertilizer which involves a pteridophyte host is
(a) Rhizobium
(b) Anabaena
(c) Clostridium
(d) Azotobacter
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Answer: (b) |
2. |
A fern commonly inoculated to paddy fields is
(a) Azolla
(b) Marsilea
(c) Salvinia
(d) Anabaena
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Answer: (a) |
3. |
A free living nitrogen fixing bacterium is
(a) Clostridium
(b) Azotobacter
(c) Rhizobium
(d) Both A and B
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Answer: (d) |
4. |
A free living nitrogen fixing cyanobacterium which can also form symbiotic association with Azolla is
(a) Nostoc
(b) Anabaena
(c) Tolypothrix
(d) Gleocapsa
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Answer: (b) |
5. |
A medicine for bronchitis is got from
(a) Rauwolfia serperntina
(b) Curcuma longa
(c) Adhatoda vasica
(d) Hemidesmus indicus
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Answer: (c) |
6. |
A neem product used as insect repellent is
(a) Azardirachtin
(b) Rotenone
(c) Endrin
(d) Parathion
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Answer: (a) |
7. |
A nitrogen fixing blue green alga is
(a) Ulothrix
(b) Spirogyra
(c) Anabaena
(d) Rhizobium
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Answer: (c) |
8. |
A piosnous mushroom among the following is
(a) Agaricus bisporus
(b) Morchella esculenta
(c) Hydnum sp.
(d) Amanita sp.
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Answer: (d) |
9. |
A plant effective in ensuring safe delivery ans prevent abortions is
(a) Azadirachta
(b) Ocimum
(c) Adhatoda
(d) Asparagus
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Answer: (d) |
10. |
A quatic fern which is an excellent biofertilizer
(a) Salvinia
(b) Azolla
(c) Marsilea
(d) Pteridium
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Answer: (b) |