MCQ
Which one is a biofertilizer:
- A$\text{NPK}$ mixture
- ✓Rhizobia in legume roots
- CRhizobia in farmyard manure
- DGreen manure
✓
Answer
Correct option: B.
Rhizobia in legume roots
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Choose the correct statement with reference to Ascaris:
During isolation of $\text{DNA}$ addition of which of the following causes precipitation of purified $\text{DNA}?$
→Commensalism is the interaction in which
Reserpine is obtained from:
Animals eating plants are categorised separately as ...$A$..., they are in a broad ecological context, not very different from ...$B$...
→Choose the correct option $A$ and $B$
Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on
Choose correct options
→- Autogamy is genetically xenogamy
- Pollination occurs by air in grass
- Placenta is arranged in inner wall of ovary
- It is possible to store pollen grains in liquid nitrogen - $100^oC$
Which of the following is true for a Plasmid -
Seminal plasma, the fluid part of semen, is contributed by.
- Seminal vesicle.
- Prostate.
- Urethra.
- Bulbourethral gland.
Bt cotton is not: