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प्रश्न
What are biofertilizers?
उत्तर
Biofertilizers are organisms that enrich the nutrient quality of the soil. The main sources of biofertilizers are bacteria, fungi, and cyanobacteria. Certain bacteria and blue-green algae fix atmospheric nitrogen and make it available to plants.
संबंधित प्रश्न
Answer the following question in your own words.
Explain the meaning of vaccination.
Identify and complete the following correlations.
Interferon : ------- :: Erythropoietin : Anemia.
Expand the following acronym which is used in the field of protechnology.
RE
Expand the following acronym which is used in the field of protechnology.
MAC
For production of edible vaccines plants are used. Explain this any one example.
What is meant by cloning?
Complete the following chart.
| Sr. No. | Plants | Functions |
| 1 | Pteris vitata | _______________ |
| 2 | Pseudomonas | _______________ |
| 3 | _______________ | To absorb uranium and arsenic. |
| 4 | _______________ | To absorb the radiations from radioactive debris. |
| 5 | Indian mustard | _______________ |
____________ refers to the process in which the organs or tissues of one species are transplanted into another species.
Study the following statements and select the correct option.
i. Factor VIII is used in the treatment of haemophilia A.
ii. Macrophage activating factor and tumor necrosis factor are used in cancer treatment.
iii. Hepatitis B can be prevented using relaxin.
______ statement is not true for GM crops.
