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प्रश्न
What is a heterocyst?
Give the role of a heterocyst.
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उत्तर
The Blue Green Algae (BGA) have some specialized colourless cells called heterocysts which are the sites of nitrogen fixation.
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संबंधित प्रश्न
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
Define biofertilizers. Give two types of fungal biofertilizers
Name any two bacterial biofertilizers.
Identify the CORRECT statement regarding Mycorrhiza.
Match the Column I (Organisms) with the Column II (Products they produce) and select the correct option.
| Column I | Column II | ||
| i. | Lactobacillus | p. | Cheese |
| ii. | Saccharomyces cerevisiae | q. | Curd |
| iii. | Aspergillus niger | r. | Citric Acid |
| iv | Acetobacter aceti | s. | Bread |
| t. | Acetic Acid |
VAM stands for ______.
Which one of the following is not a biofertilizer?
Which one of the following is NOT a nitrogen-fixing organism?
Name the microorganisms involved in the production of Roquefort cheese, Camembert cheese and Swiss cheese.
What is the primary outcome of the Legume–Rhizobium symbiosis in terms of soil enrichment?
