Question:
Which one of the following biofertilizer makes the plant associated with them grow luxuriantly in less irrigated lands?
Which one of the following biofertilizer makes the plant associated with them grow luxuriantly in less irrigated lands?
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Mycorrhizal hyphae increase water and phosphorus absorption, so plants tolerate drought.
Updated On: Nov 12, 2026
- Rhizobium
- Vesiculo Arbuscular Mycorrhizae
- Anabaena
- Azospirillum
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Mycorrhiza is a symbiosis between a fungus and the roots of a plant.
Step 2: How VAM helps
The hyphae spread widely in the soil and act as extra absorbing surface.
They take up water and phosphorus for the host, so the plant grows well even with little irrigation.
Step 3: Why the other options fail
Rhizobium, Anabaena and Azospirillum are mainly nitrogen fixers and give no water-absorbing advantage.
Final Answer:
The biofertilizer is Vesiculo Arbuscular Mycorrhizae. \[ \boxed{\text{(B) }\text{Vesiculo Arbuscular Mycorrhizae}} \]
Mycorrhiza is a symbiosis between a fungus and the roots of a plant.
Step 2: How VAM helps
The hyphae spread widely in the soil and act as extra absorbing surface.
They take up water and phosphorus for the host, so the plant grows well even with little irrigation.
Step 3: Why the other options fail
Rhizobium, Anabaena and Azospirillum are mainly nitrogen fixers and give no water-absorbing advantage.
Final Answer:
The biofertilizer is Vesiculo Arbuscular Mycorrhizae. \[ \boxed{\text{(B) }\text{Vesiculo Arbuscular Mycorrhizae}} \]
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