Question

தனித்து வாழும் நைட்ரஜனை நிலைப்படுத்தும்
மற்றும் அசோலா என்ற நீர் பெரணியில்
ஒருங்குயிரியாக வாழும் சயனோபாக்டீரியம் எது?
அ) நாஸ்டாக் ஆ) அனபீனா
இ) குளோரெல்லா ஈ) ரைசோபியம்

Answer 1

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Stabilizing the living nitrogen

And azolla in water

Which cyanobacterium is a living organism?

A) Nasdaq b) Anapina

C) Chlorella d) Rhizobium

$\huge\underline{\underline{\mathfrak \red{Answer}}}$

Option (c) Chlorella

Azolla floats on the surface of water by means of numerous small, closely overlapping scale-like leaves, with their roots hanging in the water.

They form a symbiotic relationship with the cyanobacterium Anabaena azollae, which fixes atmospheric nitrogen, giving the plant access to the essential nutrient.

Answer 2

Explanation :

Option (c) Chlorella

Azolla floats on the surface of water by means of numerous small, closely overlapping scale-like leaves, with their roots hanging in the water.

★ They form a symbiotic relationship with the cyanobacterium Anabaena azollae, which fixes atmospheric nitrogen, giving the plant access to the essential nutrient.

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