Q5.
Symbiotic biological nitrogen fixation takes place with the association between a plant and a nitrogen fixing prokaryote as shown in the following table:
List of plants Nitrogen fixing
1. Soybean i) Frankia
2. Casuarina ii) Bradyrhizobium
3. Gunnera iii) Anabaena
4. Azolla iv) Nostoc
The correct combination is:
A. 1 – i; 2-ii; 3-iii; 4-iv
B. 1 – ii; 2-i; 3-iv; 4-iii
C. 1 – iii; 2-ii; 3-i; 4-iv
D. 1 – iv; 2-iii; 3-ii; 4-i