What Are Biofertilizers
Trending Questions
Q.
Name the common biofertilizers used in organic farming.
Q.
Biofertilizer include
nitrogen-fixing bacteria
nitrogen-fixing cyanobacteria
both bacteria and cyanobacteria
nitrogen-fixing bacteria, nitrogen-fixing cyanobacteria and mycorrhizal fungi
Q. Regarding the assertion and reason, select the right option.
Assertion: Compost is formed after decay of vegetable matter and organic refuse.
Reason: Green manure is a fertilizer consisting of growing plants that are ploughed back into the soil.
Assertion: Compost is formed after decay of vegetable matter and organic refuse.
Reason: Green manure is a fertilizer consisting of growing plants that are ploughed back into the soil.
- Both the assertion and reason are true and the reason is the correct explanation for the assertion.
- Both the assertion and reason are true but the reason is not the correct explanation of the assertion.
- Assertion is true but the reason is false
- Both the assertion and reason are false.
Q.
An organism used as a biofertiliser for raising soyabean crop production is
Azospirillum
Rhizobium
Nostoc
Azotobacter
Q. Which of the following is true pair of biofertilizers?
- Azolla and BGA
- Nostoc and legume
- Rhizobium and grasses
- Salmonella and E.coli